日本物理学会講演概要集, 深く束縛されたπ中間子原子で探るπN σ 項, 池野なつ美; 西隆博; 板橋健太; 野瀬-外川直子; 谷明里; 比連崎悟, Mar. 2022
日本物理学会講演概要集, K 中間子ヘリウム原子の 高精度測定から考察するK中間子-原子核相互作用, 山縣淳子; 比連崎悟, Mar. 2022
Not Refereed, 日本物理学会講演概要集(CD-ROM), Observables of deeply bound pionic atoms and πN σ term, 池野なつ美; 比連崎悟, Sep. 2021, 76, 2
日本物理学会講演概要集(CD-ROM), Residual Interaction Effects in Mesic Atoms and Mesic Nuclei, 野瀬(外川)直子; 池野なつ美; 山縣淳子; 比連崎悟, Sep. 2021, 76, 2
Not Refereed, Journal of Physics: Conference Series, IOP Publishing, Search for η’-mesic nuclei using (p,d) reaction with FRS/Super-FRS at GSI/FAIR, Y. K. Tanaka; S. Bagchi; J. Benlliure; T. Dickel; V. Drozd; H. Ekawa; H. Fujioka; H. Geissel; F. Goldenbaum; C. Guo; E. Haettner; M. N. Harakeh; R.S. Hayano; S. Hirenzaki; C. Hornung; Y. Igarashi; N. Ikeno; K. Itahashi; M. Iwasaki; D. Jido; N. Kalantar-Nayestanaki; R. Kanungo; B. Kindler; R. Knöbel; D. Kostyleva; N. Kurz; N. Kuzminchuk; B. Lommel; Y. Ma; S. Y. Matsumoto; V. Metag; S. Minami; P. Moskal; I. Mukha; T. Nagae; H. Nagahiro; M. Nakagawa; H. J. Ong; H. Outa; S. Pietri; W. R. Plass; A. Prochazka; S. Purushothaman; C. Rappold; J. Ritman; J.L. Rodríguez-Sánchez; R. Ruber; O. Rundel; T. R. Saito; C. Scheidenberger; R. Sekiya; V. Serdyuk; H. Simon; B. Sitar; M. Skurzok; P. Strmen; B. Sun; I. Szarka; M. Takechi; I. Tanihata; S. Terashima; H. Weick; A. Yamamoto; J. Zhao, We plan a semi-exclusive measurement of the 12C(p,dp) reaction to search for η'-mesic nuclei, aiming at investigating in-medium properties of the η′-meson. We employ a 2.5 GeV proton beam impinging on a carbon target to produce η′-mesic 11C nuclei via the 12C(p,d)η′⊗11C reaction. Using coincidence measurements of the forward going deuterons, important for missing-mass spectroscopy, and decay protons emitted from the η′-mesic nuclei. for event selection will provide a high experimental sensitivity to observe η'-mesic nuclei. We will perform the measurements by combining the WASA detector system with the fragment separator FRS at GSI and also with the Super-FRS at FAIR in the future. The plan of the experiments and the present status are reported., Dec. 2020, 1643, 1, 012181, 012181, 10.1088/1742-6596/1643/1/012181
Refereed, Acta Physica Polonica B, Jagiellonian University, Spectroscopy of $\eta ^{\prime }$-mesic Nuclei with WASA at GSI/FAIR, Y.K. Tanaka; S. Bagchi; J. Benlliure; T. Dickel; V. Drozd; H. Ekawa; H. Fujioka; H. Geissel; F. Goldenbaum; C. Guo; E. Haettner; M.N. Harakeh; R.S. Hayano; S. Hirenzaki; C. Hornung; Y. Igarashi; N. Ikeno; K. Itahashi; M. Iwasaki; D. Jido; N. Kalantar-Nayestanaki; R. Kanungo; B. Kindler; R. Knöbel; D. Kostyleva; N. Kurz; N. Kuzminchuk; B. Lommel; Y. Ma; S.Y. Matsumoto; V. Metag; S. Minami; P. Moskal; I. Mukha; T. Nagae; H. Nagahiro; M. Nakagawa; H.J. Ong; H. Outa; S. Pietri; W.R. Plass; A. Prochazka; S. Purushothaman; C. Rappold; J. Ritman; J.L. Rodríguez-Sánchez; R. Ruber; O. Rundel; T.R. Saito; C. Scheidenberger; R. Sekiya; V. Serdyuk; H. Simon; B. Sitar; M. Skurzok; P. Strmen; B. Sun; I. Szarka; M. Takechi; I. Tanihata; S. Terashima; H. Weick; A. Yamamoto; J. Zhao, We plan to conduct an experimental search for η -mesic nuclei in order to investigate in-medium properties of the η meson. A 2.5 GeV proton beam is employed to produce η -mesic C nuclei with the C(p,d)η C reaction. Simultaneous measurements of the forward ejected deuterons and decay protons from η -mesic nuclei will allow us to achieve high experimental sensitivity. The experiment will be performed at GSI by making full use of the fragment separator FRS and the WASA detector system. The plan of this proposed experiment is described. 0 0 0 11 12 0⊗ 11 0, 2020, 51, 1, 39, 39, 10.5506/aphyspolb.51.39
Refereed, Acta Physica Polonica B, Jagiellonian University, Nuclear Deformation Effects to the Formation Cross Section of $\eta '$ Mesic Nucleus, S. Kinutani; M. Hirao; H. Nagahiro; S. Hirenzaki, We study the nuclear deformation effects to the formation spectrum of the η0-mesic nucleus theoretically. We find that the deformation effects could significantly change the spectrum shape and the effects should be considered appropriately., 2020, 51, 1, 333, 333, 10.5506/aphyspolb.51.333
日本物理学会講演概要集(CD-ROM), Nuclear compression effects in the mesic nucleus formation reaction, 絹谷すずな; 平尾まい; 永廣秀子; 慈道大介; 比連崎悟, 2020, 75, 1
Not Refereed, CENTRAL EUROPEAN SYMPOSIUM ON THERMOPHYSICS 2019 (CEST), AIP Publishing, K̄ and nucleus system studied by 12C(K−, p) spectrum, Yudai Ichikawa; Junko Yamagata-Sekihara; Jung Keun Ahn; Yuya Akazawa; Kanae Aoki; Elena Bottta; Hiroyuki Ekawa; Petr Evtoukhovitch; Alessandro Feliciello; Manami Fujita; Toshiyuki Gogami; Shoichi Hasegawa; Tomoyuki Hasegawa; Shuhei Hayakawa; Tomonori Hayakawa; Satoru Hirenzaki; Ryotaro Honda; Kenji Hosomi; Ken’ichi Imai; Wooseung Jung; Shunsuke Kanatsuki; Shinhyung Kim; Sinji Kinbara; Kazuya Kobayashi; Jaeyong Lee; Simonetta Marcello; Koji Miwa; Taejin Moon; Tomofumi Nagae; Yoshiyuki Nakada; Manami Nakagawa; Takuya Nanamura; Megumi Naruki; Atsushi Sakaguchi; Hiroyuki Sako; Susumu Sato; Yuki Sasaki; Kotaro Shirotori; Hitoshi Sugimura; Toshiyuki Takahashi; Hirokazu Tamura; Kiyoshi Tanida; Zviadi Tsamalaidze; Mifuyu Ukai; Takeshi. O. Yamamoto, We have measured an inclusive missing-mass spectrum of the C-12(K-, p) reaction over wide energy region at the kaon incident momentum of 1.8 GeV/c at J-PARC K1.8 beam line. This measurement was carried out as a by-product of a pilot run of J-PARC E05 experiment, which searched for the Xi-hypernuclei via C-12(K-, K+) reaction. We have compared the observed missing-mass spectrum with a DWIA calculation to study the (K) over bar -nucleus interaction. In this comparison, we have changed the depth of both real and imaginary parts of the optical potential between the (K) over bar and nucleus. It is found that the observed spectrum is best reproduced by the calculation of the potential depth of V-0 similar to -80 MeV (real part) and W-0 similar to -40 MeV (imaginary part). On the other hand, we have observed a definitive excess around the deeply bound region B-K greater than or similar to 100 MeV. The excess cannot be explained by the any optical potential and quasi-free background reaction. It is well fitted with a Breit-Wigner function with a binding energy of 90 MeV and a width of 100 MeV, which can be interpreted as a deeply bound Lambda(1405) nucleus., 2019, 2130, 10.1063/1.5118414
日本物理学会講演概要集(CD-ROM), (p,d)反応によるη(958)中間子原子核生成における核変形の効果, 絹谷すずな; 平尾まい; 永廣秀子; 比連崎悟, 2019, 74, 1
日本物理学会講演概要集(CD-ROM), K中間子原子エネルギースペクトルにおける斥力シフトの起源, 飯澤優太朗; 飯澤優太朗; 慈道大介; 慈道大介; 池野なつ美; 山縣淳子; 比連崎悟, 2019, 74, 1
日本物理学会講演概要集(CD-ROM), 反陽子原子からの中間子-原子核束縛状態生成, 平尾まい; 絹谷すずな; 永廣秀子; 板橋健太; 比連崎悟, 2019, 74, 2
日本物理学会講演概要集(CD-ROM), 相対論的平均場原子核理論によるη’中間子原子核の質量スペクトル, 慈道大介; 桝谷花世; 比連崎悟, 2019, 74, 2
日本物理学会講演概要集(CD-ROM), K中間子原子における斥力シフトと非線形光学ポテンシャル, 飯澤優太朗; 飯澤優太朗; 慈道大介; 慈道大介; 池野なつ美; 山縣淳子; 比連崎悟, 2019, 74, 2
日本物理学会講演概要集(CD-ROM), 核変形効果を考慮したη(958)中間子原子核の(p,d)反応による生成スペクトル, 絹谷すずな; 平尾まい; 永廣秀子; 慈道大介; 比連崎悟, 2019, 74, 2
日本物理学会講演概要集(CD-ROM), ダブルπ中間子原子の構造, 谷明里; 池野なつ美; 池野なつ美; 比連崎悟; 慈道大介; 永廣秀子; 永廣秀子; 藤岡宏之; 板橋健太, 2019, 74, 2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, η'(958) mesic nucleus with coupled-channel calculation, Kawamoto Ayano; Nagahiro Hideko; Hirenzaki Satoru, 2018, 73, 0, 293, 293, 10.11316/jpsgaiyo.73.1.0_293
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Pion wavefunction renormalization effects to the structure and formation of deeply bound pionic atoms, Ikeno Natsumi; Aoki Kenji; Jido Daisuke; Hirenzaki Satoru, 2018, 73, 0, 292, 292, 10.11316/jpsgaiyo.73.1.0_292
日本物理学会講演概要集(CD-ROM), 理化学研究所における(d,3He)反応を用いたパイ中間子原子の分光実験, 西隆博; AHN DeukSoon; BERG Georg P.A.; 堂園昌伯; 藤岡宏之; 福田直樹; 福西暢尚; GEISSEL Hans; HAETTNER Emma; 橋本直; 早野龍五; 比連崎悟; 堀井啓志; 池野なつ美; 稲辺尚人; 板橋健太; 伊藤聖; 岩崎雅彦; 亀田大輔; 川瀬頌一郎; 木佐森慶一; 清川裕; 久保敏幸; 日下健祐; 松原礼明; 松下昌史; 道正新一郎; 三木謙二郎; 三嶋剛; 宮裕之; 村井大地; 村上洋平; 永廣秀子; 中村祐喜; 新倉潤; 野地俊平; 大河内公太; 大田晋輔; 坂本成彦; 関口仁子; 鈴木宏; 鈴木謙; 高木基伸; 竹田浩之; 田中良樹; 轟孔一; 塚田暁; 上坂友洋; 渡辺珠以; WEICK Helmut; 山田裕之; 山上大貴; 柳澤善行; 吉田光一, 2018, 73, 1
教育システム研究(奈良女子大学教育システム研究開発センター), 奈良女子大学教育システム研究開発センター, 高等学校物理の単元「放物運動」におけるコンピュータシュミレーションを用いた授業, 米田 隆恒; 狐崎 創; 比連崎 悟; 比連崎 悟, Oct. 2017, 別冊, 0, 115, 118
教育システム研究(奈良女子大学教育システム研究開発センター), 奈良女子大学教育システム研究開発センター, 求積法の変遷を探る学習:高等学校数学科授業の多角的観点からの検討, 佐藤 大典; 篠田 正人; 梅垣 由美子; 比連崎 悟, Oct. 2017, 0, 95, 100
Refereed, Acta Physica Polonica B, First results on the experimental search for η′-mesic nuclei with the
12C(p, d) reaction, Y. K. Tanaka; Y. Ayyad; J. Benlliure; K. T. Brinkmann; S. Friedrich; H. Fujioka; H. Geissel; J. Gellanki; C. Guo; E. Gutz; E. Haettner; M. N. Harakeh; R. S. Hayano; Y. Higashi; S. Hirenzaki; C. Hornung; Y. Igarashi; N. Ikeno; K. Itahashi; M. Iwasaki; D. Jido; N. Kalantar-Nayestanaki; R. Kanungo; R. Knöbel; N. Kurz; V. Metag; I. Mukha; T. Nagae; H. Nagahiro; M. Nanova; T. Nishi; H. J. Ong; S. Pietri; A. Prochazka; C. Rappold; M. P. Reiter; J. L. Rodríguez-Sánchez; C. Scheidenberger; H. Simon; B. Sitar; P. Strmen; B. Sun; K. Suzuki; I. Szarka; M. Takechi; I. Tanihata; S. Terashima; Y. N. Watanabe; H. Weick; E. Widmann; J. S. Winfield; X. Xu; H. Yamakami; J. Zhao, We performed a missing-mass spectroscopy experiment of the 12C(p, d) reaction in order to search for η′-mesic nuclei. Excitation spectrum of 11C around the η′-meson production threshold was successfully obtained with a high-statistical sensitivity and sufficiently good energy resolution. Since no peak structure associated with the formation of η′-mesic nuclei was observed, we set constraints on the formation cross sections of η′-mesic states and on the η′-nucleus interaction., Oct. 2017, 48, 10, 1813, 1818, 10.5506/APhysPolB.48.1813
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Energy dependence of η'(958) mesic nucleus optical potential, Kawamoto Ayano; Nagahiro Hideko; Hirenzaki Satoru, 2017, 72, 0, 179, 179, 10.11316/jpsgaiyo.72.2.0_179
Not Refereed, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, η' mesonic nuclei in a relativistic mean-field theory, Masutani Hanayo; Jido Daisuke; Satoru Hirenzaki, 2017, 72, 0, 180, 180, 10.11316/jpsgaiyo.72.2.0_180
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Effects of higher partial waves to pion wavefunction renormalization in nuclear medium, Aoki K.; Jido D.; Ikeno N.; Hirenzaki S., 2017, 72, 0, 181, 181, 10.11316/jpsgaiyo.72.2.0_181
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, η-nucleus interaction from the d + d reaction around the η production threshold, Ikeno N.; Nagahiro H.; Jido D.; Hirenzaki S.,
η中間子原子核生成を目指して、COSY(ドイツ)において2つの重陽子の衝突実験が行われた。η中間子の生成閾値付近で、3He+N+π、の終状態が観測され、η中間子原子核生成断面積の上限値が報告されている。本講演では、この実験結果を理論的に解析し、η中間子と原子核(α 粒子)の間の相互作用についてどのような新しい情報(制限)が得られるかを報告する予定である。
, 2017, 72, 0, 209, 209, 10.11316/jpsgaiyo.72.1.0_209
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, eta'(958)-nucleon interaction by coupled channel calculation, Kawamoto Ayano; Nagahiro Hideko; Hirenzaki Satoru,
本研究では、η'中間子と原子核の間のポテンシャルを導出することを目的として、η'N間の散乱についての研究を行う。具体的には、擬スカラー中間子-バリオンの系、ベクトル中間子-バリオンの系を考慮した結合チャネル法を用いて実験値と比較する。その際我々はシングレットのηと核子間の相互作用を導入して、その大きさの決定を試みる。また、中間子核子間に動的に生成されるいくつかの共鳴状態について調べ、どのような共鳴がη'Nチャネルへ強く結合するか議論する。
, 2017, 72, 0, 210, 210, 10.11316/jpsgaiyo.72.1.0_210
Refereed, Acta Physica Polonica B, Jagiellonian University, $\eta $--Nucleus Interaction from the $d + d$ Reaction Around the $\eta $-Production Threshold, S. Hirenzaki; N. Ikeno, We have developed a theoretical model to evaluate the formation rate of the η-mesic nucleus in the d+d fusion reaction and show the calculated results. We have compared our results with existing data of the d + d → η + α., 2017, 48, 10, 1787, 1787, 10.5506/aphyspolb.48.1787
日本物理学会講演概要集(CD-ROM), 相対論的平均場理論によるη′中間子原子核, 桝谷花世; 慈道大介; 比連崎悟, 2017, 72, 2
Not Refereed, EPJ Web of Conferences, EDP Sciences, Precision spectroscopy of pionic atoms and chiral symmetry in nuclei, Kenta Itahashi; Deuksoon Ahn; Georg P.A. Berg; Masanori Dozono; Daijiro Etoh; Hiroyuki Fujioka; Naoki Fukuda; Nobuhisa Fukunishi; Hans Geissel; Emma Haettner; Tadashi Hashimoto; Ryugo S. Hayano; Satoru Hirenzaki; Hiroshi Horii; Natsumi Ikeno; Naoto Inabe; Masahiko Iwasaki; Daisuke Kameda; Shouichiro Kawase; Keiichi Kisamori; Yu Kiyokawa; Toshiyuki Kubo; Kensuke Kusaka; Masafumi Matsushita; Shin'Ichiro Michimasa; Go Mishima; Hiroyuki Miya; Daichi Murai; Hideko Nagahiro; Takahiro Nishi; Shinsuke Ota; Naruhiko Sakamoto; Kimiko Sekiguchi; Hiroshi Suzuki; Ken Suzuki; Motonobu Takaki; Hiroyuki Takeda; Yoshiki K. Tanaka; Tomohiro Uesaka; Yasumori Wada; Yuni N. Watanabe; Helmut Weick; Hiroki Yamakami; Yoshiyuki Yanagisawa; Koichi Yoshida, © The Authors, published by EDP Sciences, 2016. We conduct an experimental project to make spectroscopy of deeply bound pionic atoms systematically over wide range of nuclei. We aim at studying the strong interaction in the low energy region, which has close connection to spontaneous chiral symmetry breaking and its partial restoration in nuclear matter. First experimental results show improved spectral resolution and much better statistical sensitivity than previous experiments. Present status of the experiment is reported., 29 Nov. 2016, 130, 10.1051/epjconf/201613001017
Not Refereed, EPJ Web of Conferences, E D P SCIENCES, Search for η ′ mesic nuclei by missing-mass spectroscopy of the
12C(p, d) reaction, Yoshiki K. Tanaka; Yassid Ayyad; Jose Benlliure; Kai Thomas Brinkmann; Stefan Friedrich; Hiroyuki Fujioka; Hans Geissel; Jnaneswari Gellanki; Chenlei Guo; Eric Gutz; Emma Haettner; Muhsin N. Harakeh; Ryugo S. Hayano; Yuko Higashi; Satoru Hirenzaki; Christine Hornung; Yoichi Igarashi; Natsumi Ikeno; Kenta Itahashi; Masahiko Iwasaki; Daisuke Jido; Nasser Kalantar-Nayestanaki; Rituparna Kanungo; Ronja Knoebel; Nikolaus Kurz; Volker Metag; Ivan Mukha; Tomofumi Nagae; Hideko Nagahiro; Mariana Nanova; Takahiro Nishi; Hooi Jin Ong; Stephane Pietri; Andrej Prochazka; Christophe Rappold; Moritz P. Reiter; Jose Luis Rodríguez Sánchez; Christoph Scheidenberger; Haik Simon; Branislav Sitar; Peter Strmen; Baohua Sun; Ken Suzuki; Imrich Szarka; Maya Takechi; Isao Tanihata; Satoru Terashima; Yuni N. Watanabe; Helmut Weick; Eberhard Widmann; John S. Winfield; Xiaodong Xu; Hiroki Yamakami; Jianwei Zhao, © The Authors, published by EDP Sciences, 2016. We performed a missing-mass spectroscopy experiment of the 12C(p, d) reaction at 2.5 GeV proton energy in order to search for η′ mesic nuclei. An excitation-energy spectrum of 11C was obtained around the η′ production threshold. As no significant peak structure was observed in the spectrum, upper limits of the formation cross section of η′ mesic nuclei have been determined. Preliminary results of the experiment as well as future prospects are given., 29 Nov. 2016, 130, 10.1051/epjconf/201613002010
Not Refereed, Acta Physica Polonica B, JAGIELLONIAN UNIV PRESS, Formation of η′(958) bound states by (γ,d) reaction, M. Miyatani; H. Nagahiro; S. Hirenzaki; N. Ikeno, We have investigated the 6Li(γ, d) reaction theoretically for the formation of the η′(958) mesic nucleus. We have reported the numerical results in this article., Feb. 2016, 47, 2, 367, 371, 10.5506/APhysPolB.47.367
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 22pAC-5 A phenomenological study of the in-medium properties of φ meson, Tokunaga S.; Yamagata-Sekihara J.; Nagahiro H.; Hirenzaki S., 2016, 71, 0, 265, 265, 10.11316/jpsgaiyo.71.1.0_265
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 22pAC-7 Formation of η'(958) bound states by (γ,d) reaction, Miyatani M.; Ikeno N.; Nagahiro H.; Hirenzaki S., 2016, 71, 0, 266, 266, 10.11316/jpsgaiyo.71.1.0_266
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 22pAC-8 Spectroscopy of eta' mesic nuclei with the ^<12>C(p, d) reaction at GSI, Tanaka Y. K.; Gutz E.; Haettner E.; Harakeh M. N.; Hayano R. S.; Higashi Y.; Hirenzaki S.; Hornung C.; Igarashi Y.; Ikeno N.; Itahashi K.; Ayyad Y.; Iwasaki M.; Jido D.; Kalantar-Nayestanaki N.; Kanungo R.; Knoebel R.; Kurz N.; Metag V.; Mukha I.; Nagae T.; Nagahiro H.; Benlliure J.; Nanova M.; Nishi T.; Ong H. J.; Pietri S.; Prochazka A.; Rappold C.; Reiter M. P.; Sanchez J. L. R.; Scheidenberger C.; Simon H.; Brinkmann K.-T.; Sitar B.; Strmen P.; Sun B.; Suzuki K.; Szarka I.; Takechi M.; Tanihata I.; Terashima S.; Watanabe; Weick H.; Friedrich S.; Widmann E.; Winfield J. S.; Xu X.; Yamakami H.; Zhao J.; Fujioka H.; Geissel H.; Gellanki J.; Guo C., 2016, 71, 0, 267, 267, 10.11316/jpsgaiyo.71.1.0_267
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 19pAW-3 Structure and Formation of Meson-Nucleus Bound States, Hirenzaki Satoru, 2016, 71, 0, 298, 299, 10.11316/jpsgaiyo.71.1.0_298
Refereed, Hyperfine Interactions, SPRINGER, Spectroscopy of η′-nucleus bound states at GSI and FAIR — very preliminary results and future prospects —, H. Fujioka; Y. Ayyad; J. Benlliure; K. T. Brinkmann; S. Friedrich; H. Geissel; J. Gellanki; C. Guo; E. Gutz; E. Haettner; M. N. Harakeh; R. S. Hayano; Y. Higashi; S. Hirenzaki; C. Hornung; Y. Igarashi; N. Ikeno; K. Itahashi; M. Iwasaki; D. Jido; N. Kalantar-Nayestanaki; R. Kanungo; R. Knoebel; N. Kurz; V. Metag; I. Mukha; T. Nagae; H. Nagahiro; M. Nanova; T. Nishi; H. J. Ong; S. Pietri; A. Prochazka; C. Rappold; M. P. Reiter; J. L. Rodríguez-Sánchez; C. Scheidenberger; H. Simon; B. Sitar; P. Strmen; B. Sun; K. Suzuki; I. Szarka; M. Takechi; Y. K. Tanaka; I. Tanihata; S. Terashima; Y. N. Watanabe; H. Weick; E. Widmann; J. S. Winfield; X. Xu; H. Yamakami; J. Zhao, © 2015, Springer International Publishing Switzerland. The possible existence of η′-nucleus bound states has been put forward through theoretical and experimental studies. It is strongly related to the η′ mass at finite density, which is expected to be reduced because of the interplay between the U
A(1) anomaly and partial restoration of chiral symmetry. The investigation of the C(p,d) reaction at GSI and FAIR, as well as an overview of the experimental program at GSI and future plans at FAIR are discussed., 07 Aug. 2015, 234, 1-3, 33, 39, 10.1007/s10751-015-1145-9
Refereed, Acta Physica Polonica B, WYDAWNICTWO UNIWERSYTETU JAGIELLONSKIEGO, Exotic atoms and exotic nuclei, S. Hirenzaki; H. Nagahiro; N. Ikeno; J. Yamagata-Sekihara, © 2015 ACTA PHYSICA POLONICA B. In this article, we briefly review the study of the exotic atoms and exotic nuclei, and report on recent research activities of η-mesic nucleus and kaonic atoms., 01 Jan. 2015, 46, 1, 121, 126, 10.5506/APhysPolB.46.121
Refereed, Acta Physica Polonica B, Search for η′(958)-nucleus bound states by (p; d) reaction at GSI and FAIR, H. Fujioka; Y. Ayyad; J. Benlliure; K. T. Brinkmann; S. Friedrich; H. Geissel; J. Gellanki; C. Guo; E. Gutz; E. Haettner; M. N. Harakeh; R. S. Hayano; Y. Higashi; S. Hirenzaki; C. Hornung; Y. Igarashi; N. Ikeno; K. Itahashi; M. Iwasaki; D. Jido; N. Kalantar-Nayestanaki; R. Kanungo; R. Knoebel; N. Kurz; V. Metag; I. Mukha; T. Nagae; H. Nagahiro; M. Nanova; T. Nishi; H. J. Ong; S. Pietri; A. Prochazka; C. Rappold; M. P. Reiter; J. L. Rodríguez-Sánchez; C. Scheidenberger; H. Simon; B. Sitar; P. Strmen; B. Sun; K. Suzuki; I. Szarka; M. Takechi; Y. K. Tanaka; I. Tanihata; S. Terashima; Y. N. Watanabe; H. Weick; E. Widmann; J. S. Winfield; X. Xu; H. Yamakami; J. Zhao, © 2015 ACTA PHYSICA POLONICA B. The mass of the η′ meson is theoretically expected to be reduced at finite density, which indicates the existence of η′-nucleus bound states. To investigate these states, we perform missing-mass spectroscopy for the (p; d) reaction near the η′ production threshold. The overview of the experimental situation is given and the current status is discussed., 01 Jan. 2015, 46, 1, 127, 132, 10.5506/APhysPolB.46.127
Not Refereed, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 21pCC-1 Search for η' mesic nuclei by spectroscopy of (p,d) reaction, Tanaka Y. K.; Gutz E.; Haettner E.; Harakeh M. N.; Hayano R. S.; Higashi Y.; Hirenzaki S.; Hornung C.; Igarashi Y.; Ikeno N.; Itahashi K.; Ayyad Y.; Iwasaki M.; Jido D.; Kalantar-Nayestanaki N.; Kanungo R.; Knoebel R.; Kurz N.; Metag V.; Mukha I.; Nagae T.; Nagahiro H.; Benlliure J.; Nanova M.; Nishi T.; Ong H. J.; Pietri S.; Prochazka A.; Rappold C.; Reiter M. P.; Sanchez J. L. R.; Scheidenberger C.; Simon H.; Brinkmann K.-T.; Sitar B.; Strmen P.; Sun B.; Suzuki K.; Szarka I.; Takechi M.; Tanihata I.; Terashima S.; Watanabe Y. N.; Weick H.; Friedrich S.; Widmann E.; Winfield J. S.; Xu X.; Yamakami H.; Zhao J.; Fujioka H.; Geissel H.; Gellanki J.; Guo C., 2015, 70, 0, 281, 281, 10.11316/jpsgaiyo.70.1.0_281
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 21pCC-5 In-medium properties of φ meson and observables, Tokunaga S.; Yamagata-Sekihara J.; Nagahiro H.; Hirenzaki S., 2015, 70, 0, 284, 284, 10.11316/jpsgaiyo.70.1.0_284
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 21pCC-2 Formation of η(958) mesic nucleus by two-nucleon transfer reaction, Miyatani M.; Ikeno N.; Nagahiro H.; Hirenzaki S., 2015, 70, 0, 282, 282, 10.11316/jpsgaiyo.70.1.0_282
原子核研究, η’生成領域における12C(p,d)反応の微視的輸送模型(JAM)による解析, 東裕子; 池野なつ美; 池野なつ美; 永廣秀子; 比連崎悟; 藤岡宏之; 板橋健太; 田中良樹, 2015, 59, Supplement 1
原子核研究, 中間子-原子核系で探る核内中間子の性質と強い相互作用の対称性, 比連崎悟; 池野なつ美; 池野なつ美; 永廣秀子, 2015, 59, Supplement 1
Not Refereed, Proceedings of the 12th Asia Pacific Physics Conference (APPC12), Journal of the Physical Society of Japan, Formation of Deeply Bound Pionic Atoms in the (d,3He) Reaction, Natsumi Ikeno; Junko Yamagata-Sekihara; Hideko Nagahiro; Satoru Hirenzaki, 26 Mar. 2014, 10.7566/jpscp.1.013060
Refereed, ACTA PHYSICA POLONICA B, JAGIELLONIAN UNIV PRESS, MESON PROPERTIES AT FINITE DENSITY FROM MESIC ATOMS AND MESIC NUCLEI, Satoru Hirenzaki; Hideko Nagahiro, The properties of eta'(958) meson at finite nuclear density is considered to have close connection with the effects of U-A(1) anomaly at finite density. In this context, we are very much interested in the study of the eta'(958)mesic nuclei. As for the eta-mesic nuclei, which have been studied for a long time, we think it is interesting and important to consider both effects of the coupling of eta N system to N*(1535) and of the mixing of eta with eta'(958). In this article, we briefly summarize recent results of our studies concerning with eta'(958)- and eta-mesic nuclei., Mar. 2014, 45, 3, 619, 625, 10.5506/APhysPolB.45.619
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 27aTB-5 Precise Studies of Pion Properties in Nuclei from Deeply Bound Pionic Atoms, Ikeno N.; Yamagata-Sekihara J.; Nagahiro H.; Hirenzaki S., 2014, 69, 0, 45, 45, 10.11316/jpsgaiyo.69.1.1.0_45_4
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 30aTA-3 Spectroscopy of η'-mesic nuclei at Super-FRS/FAIR, Fujioka Hiroyuki; Hayano Ryugo S.; Watanabe Yuni N.; Igarashi Yoichi; Ikeno Natsumi; Nagahiro Hideko; Higashi Yuko; Hirenzaki Satoru; Jido Daisuke; Geissel Hans; Weick Helmut; Nagae Tomofumi; Brinkmann Kai-Thomas; Friedrich Stefan; Metag Volker; Nanova Mariana; Suzuki Ken; Yamakami Hiroki; Itahashi Kenta; Iwasaki Masahiko; Outa Haruhiko; Suzuki Takatoshi; Tanaka Yoshiki K.; Nishi Takahiro, 2014, 69, 0, 101, 101, 10.11316/jpsgaiyo.69.1.1.0_101_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 30aTA-4 An analysis of the ^<12>C(p,d) reaction at η' meson prodution region by microscopic transport model (JAM), Higashi Y.; Ikeno N.; Nagahiro H.; Hirenzaki S.; Fujioka H.; Itahashi K.; Tanaka Y.K., 2014, 69, 0, 101, 101, 10.11316/jpsgaiyo.69.1.1.0_101_2
Refereed, EPJ Web of Conferences, E D P SCIENCES, Meson properties from mesic atoms and mesic nuclei, Satoru Hirenzaki; Natsumi Ikeno; Hideko Nagahiro; Yuko Higashi, © Owned by the authors, published by EDP Sciences, 2014. Meson properties are believed to have close connection to the fundamental theory, QCD, and have been studied for a long time both theoretically and experimentally. In this report, we study the recent activities in this field and consider the η(958) mesic nuclei and the deeply bound pionic atoms. We summarize the possible formation of the η(958) mesic nuclei by the (p, d) reactions and report the new possibilities of the spectroscopic study of the pionic atoms using the (d,3He) reactions., 2014, 81, 10.1051/epjconf/20148101026
Refereed, JPS Conf.Proc., Formation of $\eta′$(958) Bound States in Nuclei, Hirenzaki Satoru; Nagahiro Hideko; Jido Daisuke, 2014, 1, 013030, 10.7566/JPSCP.1.013030
Refereed, EPJ Web of Conferences, E D P SCIENCES, Missing mass spectroscopy of η ′ mesic nuclei with the (p,d) reaction at GSI, Yoshiki K. Tanaka; Kai Thomas Brinkmann; Stefan Friedrich; Hiroyuki Fujioka; Hans Geissel; Ryugo S. Hayano; Satoru Hirenzaki; Kenta Itahashi; Satoshi Itoh; Daisuke Jido; Volker Metag; Hideko Nagahiro; Mariana Nanova; Takahiro Nishi; Kota Okochi; Haruhiko Outa; Ken Suzuki; Takatoshi Suzuki; Yuni N. Watanabe; Helmut Weick, We plan a missing-mass spectroscopy experiment of η′ mesic nuclei with the 12C(p,d)η′ 11C reaction to study in-medium properties of the η′ meson. In nuclear medium, due to restoration of chiral symmetry, the mass of the η′ meson may be reduced, and η′ bound states in a nucleus may exist. The experiment will be started at GSI with a 2.5 GeV proton beam using FRS as a spectrometer and will be continued at Super-FRS at FAIR. The plan of the experiment and development of a Cherenkov detector and an optics mode are described. © Owned by the authors, published by EDP Sciences, 2013., 2014, 66, 09019, 10.1051/epjconf/20146609019
Refereed, EPJ Web of Conferences, Spectroscopy of η ′ Mesic nuclei via semi-exclusive measurement at FAIR, Hiroyuki Fujioka; Kai Thomas Brinkmann; Stefan Friedrich; Hans Geissel; Ryugo S. Hayano; Satoru Hirenzaki; Kenta Itahashi; Satoshi Itoh; Daisuke Jido; Volker Metag; Hideko Nagahiro; Mariana Nanova; Takahiro Nishi; Kota Okochi; Haruhiko Outa; Ken Suzuki; Takatoshi Suzuki; Yoshiki K. Tanaka; Yuni N. Watanabe; Helmut Weick, In order to investigate a possible mass reduction of an η′ meson at finite density, a series of missing-mass spectroscopy experiments of η′-nucleus bound states with the 12C(p,d) reaction is planned at GSI and FAIR. A semi-exclusive measurement with the tagging of protons from η′ two-body absorption (η′NN → NN) will be a key feature in an experiment with Super-FRS at FAIR. © Owned by the authors, published by EDP Sciences, 2013., 2014, 66, 09006, 10.1051/epjconf/20146609006
日本物理学会講演概要集, η’生成領域における12C(p,d)反応の微視的輸送模型(JAM)による解析, 東裕子; 池野なつ美; 永廣秀子; 比連崎悟; 藤岡宏之; 板橋健太; 田中良樹, 2014, 69, 1
Refereed, Nuclear Physics A, ELSEVIER SCIENCE BV, Nuclear density probed by anti-kaon-nucleus systems and anti-kaon-nucleus interaction, J. Yamagata-Sekihara; N. Ikeno; H. Nagahiro; D. Jido; S. Hirenzaki, Effective nuclear densities probed by anti-kaon-nucleus systems is studied theoretically both for bound and low energy scattering states. As for the bound states, we investigate kaonic atoms. We find that the effective density depends on the atomic states significantly and we have the possibility to obtain the anti-kaon properties at various nuclear densities by observing the several kaonic atom states. We also find the energy dependence of the probed density by scattering states. We find that the study of the effective nuclear density will help to find the proper systems to investigate the meson properties at various nuclear densities. © 2013 Elsevier B.V., Sep. 2013, 914, 344, 348, 10.1016/j.nuclphysa.2013.01.085
Refereed, NUCLEAR PHYSICS A, ELSEVIER SCIENCE BV, eta ' meson under partial restoration of chiral symmetry in nuclear medium, Daisuke Jido; Shuntaro Sakai; Hideko Nagahiro; Satoru Hirenzaki; Natsumi Ikeno, In-medium modification of the eta' mass is discussed in the context of partial restoration of chiral symmetry in nuclear medium. We emphasize that the U-A (1) anomaly effects cause the eta'-eta mass difference necessarily through the chiral symmetry breaking. As a consequence, the eta' mass is expected to be reduced by order of 100 MeV in nuclear matter where about 30% reduction of chiral symmetry takes place. The strong attraction relating to the eta' mass generation eventually implies that there should be also a strong attractive interaction in the scalar channel of the eta'-N two-body system. We find that the attraction can be strong enough to form a bound state. (C) 2012 Elsevier B.V. All rights reserved., Sep. 2013, 914, 354, 359, 10.1016/j.nuclphysa.2012.12.097
Refereed, Few-Body Systems, SPRINGER WIEN, Formation of Deeply Bound Pionic Atoms in Sn Isotopes, Natsumi Ikeno; Hideko Nagahiro; Satoru Hirenzaki, We study the formation of deeply bound pionic atoms in the (d,3He) reaction theoretically. At different scattering angles, we find that the different subcomponents dominate the formation spectra because of the matching condition of the reaction. We also find that the pionic 1s state which is free from the residual interaction effects appears clearly in 117Sn(d, 3He) spectra. We conclude that the observation of the (d,3He) reaction for these new cases will provide more systematic and accurate information on the pionic bound states, and it will help to develop the study of the pion properties and the partial restoration of chiral symmetry in nuclei. © 2013 Springer-Verlag Wien., Aug. 2013, 54, 7-10, 1573, 1576, 10.1007/s00601-012-0556-2
Refereed, Few-Body Systems, SPRINGER WIEN, First Precision Spectroscopy of Pionic Atoms at RI Beam Factory, Kenta Itahashi; Georg P.A. Berg; Hiroyuki Fujioka; Hans Geissel; Ryugo S. Hayano; Satoru Hirenzaki; Natsumi Ikeno; Naohito Inabe; Satoshi Itoh; Daisuke Kameda; Toshiyuki Kubo; Hiroaki Matsubara; Shinichiro Michimasa; Kenjiro Miki; Hiroyuki Miya; Masaki Nakamura; Takahiro Nishi; Shumpei Noji; Shinsuke Ota; Ken Suzuki; Hiroyuki Takeda; Koichi Todoroki; Kyo Tsukada; Tomohiro Uesaka; Helmut Weick; Koichi Yoshida, We conducted an inclusive missing-mass spectroscopy of 122Sn (d, 3He) reaction near the π- emission threshold at an incident energy of T d = 250 MeV/nucleon. The experiment sets its goals to the research and development of the high precision spectroscopy of pionic atoms at the RI beam factory (RIBF) of RIKEN, which precedes a new project, pionic atom factory project (piAF), to observe pionic atoms systematically. Here, we report the preliminary results of the pilot experiment. © 2013 Springer-Verlag Wien., Aug. 2013, 54, 7-10, 1569, 1572, 10.1007/s00601-013-0669-2
Refereed, Few-Body Systems, SPRINGER WIEN, Spectroscopy of η′ Mesic Nuclei with (p, d) Reaction, Yoshiki K. Tanaka; Stefan Friedrich; Hiroyuki Fujioka; Hans Geissel; Ryugo S. Hayano; Satoru Hirenzaki; Kenta Itahashi; Satoshi Itoh; Daisuke Jido; Volker Metag; Hideko Nagahiro; Mariana Nanova; Takahiro Nishi; Kota Okochi; Haruhiko Outa; Ken Suzuki; Takatoshi Suzuki; Helmut Weick, We are going to perform an inclusive spectroscopy experiment of η′ mesic nuclei with the 12C(p,d) reaction to study in-medium properties of the η′ meson. In nuclear medium, the η′ meson mass may be reduced due to partial restoration of chiral symmetry. In case of sufficiently large mass reduction and small absorption width of η′ at normal nuclear density, peak structures of η′ mesic states in 11C will be observed near the η′ emission threshold even in an inclusive spectrum. The experiment will be carried out at GSI with proton beam supplied by SIS using FRS as a spectrometer. The detail of the experiment is described. © 2013 Springer-Verlag Wien., Aug. 2013, 54, 7-10, 1263, 1266, 10.1007/s00601-012-0589-6
Proceedings of Science, Spectroscopy of ′η mesic nuclei using (p, d) reaction, K. Suzuki; K. T. Brinkmann; S. Friedrich; V. Metag; M. Nanova; H. Fujioka; T. Nagae; H. Yamakami; H. Geissel; H. Weick; R. S. Hayano; T. Nishi; T. Suzuki; Y. K. Tanaka; Y. N. Watanabe; Y. Igarashi; Y. Higashi; S. Hirenzaki; N. Ikeno; H. Nagahiro; D. Jido; H. Outa; M. Iwasaki; K. Itahashi, © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence. The h-PRiME collaboration (Japan-Germany-Austria) searches for h0(958) meson-nucleus bound states. The mass of the h0 meson is much greater than the values if it were a pure Goldstone boson associated with spontaneously broken chiral symmetry. The extra mass is to be attributed to non-perturbative gluon dynamics and the QCD axial anomaly. The h0 in media will be influenced through chiral restoration and the axial U(1) dynamics, causing accordingly a sizable mass reduction and a strong binding to the nucleus, on which an observation of such states will provide valued information. The data taking (S437 experiment) using inclusive missing mass spectroscopy of (p;d) reaction off carbon target will take place in summer 2014 at the FRS spectrometer at GSI., 2013
Proceedings of Science, Meson properties at finite density from mesic atoms and mesic nuclei = Recent topics on φ and η′(958) in nuclei =, Satoru Hirenzaki; Natsumi Ikeno; Hideko Nagahiro, © owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence. We study the meson-nucleus systems as the very interesting objects to deduce the hadron properties precisely and to obtain new information on the aspects of the strong interaction at finite density. We briefly introduce the recent research activities on pionic atoms and η′ (958) mesic nuclei in this article. The (d,3 He) reactions for the formation of the pionic atoms are considered at finite angles and on the odd-neutron nuclear targets to develop the systematic and accurate studies of the pion properties at various nuclear densities. η′ (958)-nucleus systems are quite interesting in the context of the effects of the UA(1) anomaly at finite density. The possible formation of the nuclear bound states of the η′meson by the (p,d) reactions is discussed to deduce the information on the mass shift of the exceptionally heavy η′meson., 2013
Refereed, Proceedings of Science, Formation of deeply bound pionic atoms and pion properties in nuclei, Natsumi Ikeno; Junko Yamagata-Sekihara; Hideko Nagahiro; Satoru Hirenzaki, © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence. We study theoretically the formation of the deeply bound pionic atoms in various cases to deduce the pion properties in nuclei precisely from the observables. We show the angular dependence of the pionic atom formation spectra of the 122Sn(d,3He) reactions in the forward angles. At each scattering angle, a different combination of the pion-bound and neutron-hole states dominates the spectrum because of the kinematical condition. We conclude that we can obtain information on the deeply bound pionic 2p state in addition to the 1s and 2s states by observing the spectra in finite angles. We also consider the neutron-odd nucleus as a target nucleus of the formation reaction, because it has an advantage that the pionic atom is formed in the even-even nucleus, of which the ground state has no neutron-hole states. In the 117Sn(d;3He) reaction, we find that we can see clearly the peak structure of the pionic 1s state formation with the ground state of the even-even nucleus 116Sn. The pionic atom in the even-even nucleus will not have additional shifts induced by the effects of the residual interaction between pion-bound and neutron-hole states. The observation of these pionic states is preferable for extracting the accurate information on the pion properties from data., 2013, 127, 5, 1568, 1570, 10.12693/APhysPolA.127.1568
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 27aHC-15 Overview of experimental search for η' mesic nuclei at FAIR, Itahashi Kenta; Nagahiro Hideko; Nanova Mariana; Nishi Takahiro; Okochi Kota; Outa Haruhiko; Suzuki Ken; Suzuki Takatoshi; Tanaka Yoshiki K.; Weick Helmut; Friedrich Stefan; Fujioka Hiroyuki; Geissel Hans; Hayano Ryugo S.; Hirenzaki Satoru; Itoh Satoshi; Jido Daisuke; Metag Volker, 2013, 68, 0, 87, 87, 10.11316/jpsgaiyo.68.1.1.0_87_4
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 27pHC-5 Semi-exclusive spectra of K^-pp system produced by ^3He(K^-,n) reaction, Yamagata-Sekihara J.; Sekihara T.; Jido D.; Hirenzaki S., 2013, 68, 0, 94, 94, 10.11316/jpsgaiyo.68.1.1.0_94_4
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 22pSH-1 Formation spectra of deeply bound pionic atoms in Green's Function Method, Ikeno N.; Yamagata-Sekihara J.; Nagahiro H.; Hirenzaki S., 2013, 68, 0, 44, 44, 10.11316/jpsgaiyo.68.2.1.0_44_3
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, η'(958)-N effective interaction and η'-mesic nuclei, Hinata A.; Nagahiro H.; Hirenzaki S., 2013, 68, 0, 44, 44, 10.11316/jpsgaiyo.68.2.1.0_44_4
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, In-medium hadron property and chiral symmetry, Hirenzaki S., 2013, 68, 0, 65, 65, 10.11316/jpsgaiyo.68.2.1.0_65_1
日本物理学会講演概要集, FAIRにおけるη′中間子束縛状態探索実験の概要, 板橋健太; FRIEDRICH S.; 藤岡宏之; GEISSEL H.; 早野龍五; 比連崎悟; 伊藤聖; 慈道大介; METAG V.; 永廣秀子; NANOVA M.; 西隆博; 大河内公太; 應田治彦; 鈴木謙; 鈴木隆敏; 田中良樹; WEICK H., 2013, 68, 1
日本物理学会講演概要集, ハドロン質量変化とカイラル対称性, 比連崎悟, 2013, 68, 2
Refereed, Hyperfine Interactions, SPRINGER, Measurement of Pionic
121Sn atoms at the RI beam factory, Kenta Itahashi; Georg P.A. Berg; Hiroyuki Fujioka; Hans Geissel; Ryugo S. Hayano; Satoru Hirenzaki; Natsumi Ikeno; Naohito Inabe; Satoshi Itoh; Daisuke Kameda; Toshiyuki Kubo; Hiroaki Matsubara; Shinichiro Michimasa; Kenjiro Miki; Hiroyuki Miya; Masaki Nakamura; Takahiro Nishi; Shumpei Noji; Shinsuke Ota; Ken Suzuki; Hiroyuki Takeda; Koichi Todoroki; Kyo Tsukada; Tomohiro Uesaka; Helmut Weick; Koichi Yoshida, We have measured the energy spectrum of pionic 121Sn atoms by missing-mass spectroscopy of the 122Sn(d, 3He) reaction near the π - emission threshold. The measurement serves as a pilot experiment for high precision systematic spectroscopy of deeply bound pionic atoms in a new pionic Atom Factory project (piAF) at the RI beam factory (RIBF) of RIKEN. The status of the analysis is reported. © 2012 Springer Science+Business Media B.V., May 2012, 209, 1-3, 51, 56, 10.1007/s10751-011-0538-7
Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), 27aXC-7 η' nucleus optical potential and formation of η'-nucleus bound state, Nagahiro H.; Hirenzaki S.; Oset E.; Ramos A., 05 Mar. 2012, 67, 1, 112, 112
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 25aGC-13 Development of an Aerogel Cherenkov Detector for Particle Identification in Spectroscopy Experiment of η' Mesic Nuclei, Tanaka Y.; Geissel H.; Weick H.; Metag V.; Nanova M.; Nagahiro H.; Hirenzaki S.; Jido D.; Suzuki K.; Widmann E.; Tabata M.; Itoh S.; Okochi K.; Suzuki T.; Nishi T.; Hayano R. S.; Itabashi K.; Outa H.; Fujioka H., 2012, 67, 0, 87, 87, 10.11316/jpsgaiyo.67.1.1.0_87_3
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 27aXC-2 Pionic atom spectroscopy in the (d,^3He) reaction at finite angles, Ikeno N.; Nagahiro H.; Hirenzaki S., 2012, 67, 0, 111, 111, 10.11316/jpsgaiyo.67.1.1.0_111_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 27aXC-6 η'(958) mesic nucleus and η' mass shift by partial restoration of Chiral symmetry, Hirenzaki S.; Nagahiro H.; Jido D., 2012, 67, 0, 112, 112, 10.11316/jpsgaiyo.67.1.1.0_112_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 27aXC-8 Spectroscopy of η' mesic nuclei at GSI, Fujioka H.; Suzuki T.; Tanaka Y.; Nishi T.; Hayano R. S.; Nagahiro H.; Hirenzaki S.; Jido D.; Suzuki K.; Widmann E.; Itahashi K.; Outa H.; Geissel H.; Weick H.; Metag V.; Nanova M.; Itoh S.; Okochi K., 2012, 67, 0, 112, 112, 10.11316/jpsgaiyo.67.1.1.0_112_3
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 12pSA-8 Formation of mesic atoms on odd nuclear target, Ikeno N.; Yamagata-Sekihara J.; Nagahiro H.; Hirenzaki S., 2012, 67, 0, 39, 39, 10.11316/jpsgaiyo.67.2.1.0_39_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 12pSA-9 Effective nuclear density probed by meson-nucleus systems, Yamagata-Sekihara J.; Ikeno N.; Nagahiro H.; Jido D.; Hirenzaki S., 2012, 67, 0, 39, 39, 10.11316/jpsgaiyo.67.2.1.0_39_2
Refereed, EPJ Web of Conferences, E D P SCIENCES, Formation of η′(958) mesic nuclei, Satoru Hirenzaki; Daisuke Jido; Hideko Nagahiro, In this report, we show the theoretical results of the formation spectra of the η′-nucleus systems in the (p,d) reactions based on the latest theoretical considerations of the η′ properties in nucleus. The results shown here are important to give predictions and supports to the future experiment, and to make clear relations between the η′ mesic nucleus formation spectra and the modifications of the η′ properties at finite density, which will give us new information on the η′ mass generation mechanism., 2012, 37, 02001, 10.1051/epjconf/20123702001
Refereed, EPJ Web of Conferences, E D P SCIENCES, Formation of deeply bound pionic atoms in Sn isotopes, Natsumi Ikeno; Hideko Nagahiro; Daisuke Jido; Satoru Hirenzaki, We study the formation of deeply bound pionic atoms in the (d, 3He) reactions theoretically and show the energy spectra of the emitted 3He at finite angles. We find that the different combinations of the pion-bound and neutron-hole states dominate the formation spectra at different scattering angles because of the matching condition of the reaction. We conclude that the observation of the (d,3He) reaction at finite angles will provide the systematic information of the pionic bound states in each nucleus, and it will help to develop the study of the pion properties and the partial restoration of chiral symmetry in nuclei., 2012, 37, 09018, 10.1051/epjconf/20123709018
Refereed, EPJ Web of Conferences, E D P SCIENCES, η′ meson under partial restoration of chiral symmetry in nuclear medium, Daisuke Jido; Hideko Nagahiro; Satoru Hirenzaki; Shuntaro Sakai, We shed light upon the η′ mass in nuclear matter in the context of partial restoration of chiral symmetry, pointing out that the U A(1) anomaly effects causes the η′-η mass difference necessarily through the chiral symmetry breaking. As a consequence, it is expected that the η′ mass is reduced by order of 100 MeV in nuclear matter where partial restoration of chiral symmetry takes place. The discussion given here is based on Ref. [1]., 2012, 37, 09019, 10.1051/epjconf/20123709019
Refereed, EPJ Web of Conferences, E D P SCIENCES, First pionic atom spectroscopy at RIBF, Kenta Itahashi; Georg P.A. Berg; Hiroyuki Fujioka; Hans Geissel; Ryugo S. Hayano; Satoru Hirenzaki; Natsumi Ikeno; Naohito Inabe; Satoshi Itoh; Daisuke Kameda; Toshiyuki Kubo; Hiroaki Matsubara; Shinichiro Michimasa; Kenjiro Miki; Hiroyuki Miya; Masaki Nakamura; Takahiro Nishi; Shumpei Noji; Shinsuke Ota; Ken Suzuki; Hiroyuki Takeda; Koichi Todoroki; Kyo Tsukada; Tomohiro Uesaka; Helmut Weick; Koichi Yoshida, We have performed an inclusive spectroscopy of 122Sn(d, 3He) reaction near the pion emission threshold at an incident energy of Td = 250 MeV/nucleon. The first experiment aims as devloping the high precision spectroscopy of pionic atoms at the RI beam factory (RIBF) of RIKEN, which leads to a new project, pionic Atom Factory project (piAF) to measure pionic atoms for a wide range of elements. We report the analysis status of the pilot experiment., 2012, 37, 01013, 10.1051/epjconf/20123701013
Refereed, EPJ Web of Conferences, E D P SCIENCES, Spectroscopy of η′ -nucleus bound states at GSI-SIS, Hiroyuki Fujioka; Kenta Itahashi; Hans Geissel; Ryugo S. Hayano; Satoru Hirenzaki; Satoshi Itoh; Daisuke Jido; Volker Metag; Hideko Nagahiro; Mariana Nanova; Takahiro Nishi; Kota Okochi; Haruhiko Outa; Ken Suzuki; Takatoshi Suzuki; Yoshiki K. Tanaka; Helmut Weick, The η′ meson mass may be reduced due to partial restoration of chiral symmetry. If this is the case, an η′-nucleus system may form a nuclear bound state. We plan to carry out a missing-mass spectroscopy experiment with the 12C(p,d) reaction at GSI-SIS. Peak structures corresponding to such a bound state may be observed even in an inclusive measurement, if the decay width is narrow enough., 2012, 37, 10.1051/epjconf/20123702005
日本物理学会講演概要集, 奇核標的における中間子原子生成, 池野なつ美; 山縣(関原)淳子; 永廣秀子; 比連崎悟, 2012, 67, 2
Refereed, Few-Body Systems, SPRINGER WIEN, Latest Results for the Antikaon-Nucleon Optical Potential, V. K. Magas; J. Yamagata-Sekihara; S. Hirenzaki; E. Oset; A. Ramos, The key question of this letter is whether the K--nucleus optical potential is deep, as it is prefered by the phenomenological fits to kaonic atoms data, or shallow, as it comes out from unitary chiral model calculations. The current experimental situation is reviewed. © 2010 Springer-Verlag., May 2011, 50, 1-4, 343, 345, 10.1007/s00601-010-0138-0
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 26aGM-11 Meson production in light nuclei, Hirenzaki S., 2011, 66, 0, 86, 86, 10.11316/jpsgaiyo.66.1.1.0_86_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 16pSG-8 Partial restoration of chiral symmetry in nuclear matter and eta' mesonic nuclei, Jido D.; Nagahiro H.; Hirenzaki S., 2011, 66, 0, 69, 69, 10.11316/jpsgaiyo.66.2.1.0_69_4
Refereed, Journal of Physics: Conference Series, IOP PUBLISHING LTD, Selected topics on hadrons in nuclei, E. Oset; M. Kaskulov; E. Hernandez; A. Ramos; K. Magas; J. Yamagata-Sekihara; S. Hirenzaki; D. Gamermann; R. Molina; L. Tolos; L. Roca, In this talk we report on selected topics on hadrons in nuclei. The first topic is the renormalization of the width of the Λ(1520) in a nuclear medium. This is followed by a short update of the situation of the ω in the medium. The investigation of the properties of K in the nuclear medium from the study of the (Kflight,p) reaction is also addressed, as well as properties of X,Y,Z charmed and hidden charm resonances in a nuclear medium. Finally we address the novel issue of multimeson states., 2011, 312, SECTION 2, 10.1088/1742-6596/312/2/022006
Refereed, AIP Conference Proceedings, AMER INST PHYSICS, Structure and formation of η- and π-nucleus systems, Satoru Hirenzaki; Natsumi Ikeno; Daisuke Jido; Hideko Nagahiro, In this article, we review recent research activities on the structure and formation of the η mesic nuclei and the pionic atoms. © 2011 American Institute of Physics., 2011, 1388, 1, 495, 501, 10.1063/1.3647438
Refereed, ACTA PHYSICA POLONICA B, POLISH ACAD SCIENCES INST PHYSICS, FORMATION OF eta-MESIC NUCLEI, Satoru Hirenzaki; Hideko Nagahiro; Daisuke Jido, In this paper, we briefly introduce the interests and the recent research activities on the eta-mesic nuclei. We also mention the activities on the eta'(958)-mesic nucleus formation., Oct. 2010, 41, 10, 2211, 2220
Refereed, NUCLEAR PHYSICS A, ELSEVIER SCIENCE BV, Formation of Slow Heavy Mesons in Nuclei, Satoru Hirenzaki; Junko Yamagata-Sekihara, We study phi meson production in the (12)C((p) over bar, phi) reaction at p((p) over bar) = 1.3 GeV/c. We also discuss the interest in and the difficulties of studying heavy meson-nucleus systems., Apr. 2010, 835, 1-4, 406, 409, 10.1016/j.nuclphysa.2010.01.230
Refereed, Nuclear Physics A, ELSEVIER SCIENCE BV, The (K
-, p) reaction on nuclei with in-flight kaons, A. Ramos; V. K. Magas; J. Yamagata-Sekihara; S. Hirenzaki; E. Oset, We perform a theoretical study of the spectrum of protons with kinetic energies of around 600 MeV, emitted following the interaction of 1 GeV/c kaons with nuclei. A recent experimental analysis of this (K-, p) reaction on 12C, based on the dominant quasielastic process, has suggested a deeply attractive kaon nucleus potential. Our Monte Carlo simulation considers, in addition, the one-and two-nucleon K- absorption processes producing hyperons that decay into πN pairs. We find that this kaon in-flight reaction is not well suited to determine the kaon optical potential due, essentially, to the limited sensitivity of the cross section to its strength, and also to unavoidable uncertainties from the coincidence requirement applied in the experiment. A shallow kaon nucleus optical potential obtained in chiral models is perfectly compatible with the observed spectrum. © 2010 Elsevier B.V. All rights reserved., Apr. 2010, 835, 1-4, 382, 385, 10.1016/j.nuclphysa.2010.01.224
Refereed, Hadron and Nuclear Physics 09: Osaka University, Japan, 16-19 November 2009, World Scientific Publishing Co., Meson properties in nuclear medium, S. Hirenzaki; N. Ikeno; H. Nagahiro; J. Yamagata-Sekihara, © 2010 by World Scientific Publishing Co. Pte. Ltd. All rights reserved. We discuss the interests and difficulties of the studies of the meson-nucleus bound systems. As recent topics, we briefly explain the research activities of the deeply bound pionic atoms, the η'(958) mesic nuclei, and the ϕ mesic nuclei., 01 Jan. 2010, 134, 140, 10.1142/9789814313933_0017
Refereed, Hadron and Nuclear Physics 09: Osaka University, Japan, 16-19 November 2009, World Scientific Publishing Co., Deeply bound pionic states in Sn at RIKEN RI beam factory, N. Ikeno; H. Nagahiro; S. Hirenzaki; J. Yamagata-Sekihara; D. Jido, © 2010 by World Scientific Publishing Co. Pte. Ltd. All rights reserved. We study the structure of pionic atoms in l21Sn, for which a new experiment will be performed at RIKEN RI Beam Factory. We evaluate numerically the effective nuclear densities probed by pion and potential parameter dependence of the binding energies and widths., 01 Jan. 2010, 206, 210, 10.1142/9789814313933_0028
Refereed, Hadron and Nuclear Physics 09: Osaka University, Japan, 16-19 November 2009, World Scientific Publishing Co., Formation of η-mesic nuclei by (π, N) reaction at J-PARC, H. Nagahiro; S. Hirenzaki; D. Jido, © 2010 by World Scientific Publishing Co. Pte. Ltd. All rights reserved. We study the formations of of the η-nucleus systems in the (πN) reactions with nuclear targets, which can be performed at existing and/or forthcoming facilities, including the Japan Proton Accelerator Research Complex, to investigate the η-nucleus interaction. Based on the N*(1535) dominance in the ηN system, the η-mesic nuclei are suitable systems for the study of in-medium properties of the N*(1535) baryon resonance, such as reduction of the mass difference of N and N* in the nuclear medium, which affects the level structure of the η and N*-hole modes. We find that clear information on the in-medium N*- and η-nucleus interactions can be obtained through the formation spectra of the η-mesic nuclei., 01 Jan. 2010, 141, 149, 10.1142/9789814313933_0018
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 23aBC-8 Pion Properties in Nuclei from Deeply Bound Atomic States, Ikeno N.; Yamagata-Sekihara J.; Nagahiro H.; Jido D.; Hirenzaki S., 2010, 65, 0, 95, 95, 10.11316/jpsgaiyo.65.1.1.0_95_3
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 13aSE-11 Formation of D Mesic Nuclei, Ikeno N.; Nagahiro H.; Hirenzaki S., 2010, 65, 0, 44, 44, 10.11316/jpsgaiyo.65.2.1.0_44_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 11pSF-11 Formation of η-^4He bound states by deuteron + deuteron reaction, Hirenzaki S.; Nagahiro H.; Jido D., 2010, 65, 0, 60, 60, 10.11316/jpsgaiyo.65.2.1.0_60_4
Progress of Theoretical Physics, Formation of meson nucleus systems - Recent activities on K
-and φ Mesic Nuclei, Satoru Hirenzaki; Junko Yamagata-Sekihara, In this paper, we briefly introduce the interests and the recent research activities on K- and φ mesic nuclei., 2010, SUPPL. 186, 312, 315
Refereed, AIP Conference Proceedings, AMER INST PHYSICS, Experimental status of deeply bound kaonic states in nuclei, V. K. Magas; J. Yamagata-Sekihara; S. Hirenzaki; E. Oset; A. Ramos, We review recent claims of the existence of deeply bound kaonic states in nuclei. Also we study in details the (K-, p) reaction on 12C with 1 GeV/c momentum kaon beam, based on which a deep kaon nucleus optical potential was claimed in [1]. In our Monte Carlo simulation of this reaction we include not only the quasi-elastic K-p scattering, as in [1], but also K- absorption by one and two nucleons followed by the decay of the hyperon in πN, which can also produce strength in the region of interest. The final state interactions in terms of multiple scattering of the K-, p and all other primary particles on their way out of the nucleus is also considered. We will show that all these additional mechanisms allow us to explain the observed spectrum with a "standard" shallow kaon nucleus optical potential obtained in chiral models. © 2010 American Institute of Physics., 2010, 1322, 334, 338, 10.1063/1.3542000
Refereed, PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT, PROGRESS THEORETICAL PHYSICS PUBLICATION OFFICE, Formation of Meson Nucleus Systems - Recent Activities on K- and phi Mesic Nuclei, Satoru Hirenzaki; Junko Yamagata-Sekihara, In this paper, we briefly introduce the interests and the recent research activities on K- and phi mesic nuclei., 2010, 186, 312, 315
Refereed, AIP Conference Proceedings, AMER INST PHYSICS, Kaon absorption in flight and the binding of K̄ in nuclei, E. Oset; V. K. Magas; A. Ramos; J. Yamagata-Sekihara; S. Hirenzaki, We make a theoretical study of the kaon absorption in flight on nuclei with a kaon beam of 1 GeV momentum, paying special attention to the forward and energetic emitted protons, which were used to claim a deep kaon nucleus optical potential in a recent experiment. We perform a Monte Carlo simulation of this reaction, which allows to account not only for quasi-elastic K-p scattering, but also for the other processes which contribute to the proton spectra and which are not taken into account by the ordinary Green's function method analysis. The experiment looks for fast protons, but in coincidence with at least one charged particle in a decay counters sandwiching the target. The coincidence requirement is assumed not to distort the shape of the proton spectra, but we show that this is not the case and as a consequence the conclusions drawn from the experimental analysis do not hold. © 2010 American Institute of Physics., 2010, 1257, 750, 754, 10.1063/1.3483435
Refereed, AIP Conference Proceedings, Formation of ν mesic nuclei at JPARC and COSY, Satoru Hirenzaki; Hideko Nagahiro; Daisuke Jido, In this article, we consider theoretically the formation reactions of the ν mesic nuclei at JPARC and COSY. © 2010 American Institute of Physics., 2010, 1322, 1, 28, 35, 10.1063/1.3541994
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 27pXF-6 Exclusive spectra of in-flight (K^-, N) reaction for light kaonic nucleus formation, 関原(山縣) 淳子; 関原 隆泰; 永廣 秀子; 慈道 大介; 比連崎 悟, 2009, 64, 0, 40, 40, 10.11316/jpsgaiyo.64.1.1.0_40_3
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 27pXF-11 Structure and formation of φ mesic nuclei, Sekihara-Yamagata J.; Hirenzaki S.; Cabrera D.; Vicente-Vacas M. J., 2009, 64, 0, 41, 41, 10.11316/jpsgaiyo.64.1.1.0_41_4
日本物理学会講演概要集, 一般社団法人 日本物理学会, 27pXF-12 (γ,d)反応による中間子原子核生成(ハイパー核・ストレンジネス(合同)II,27pXF 理論核物理領域,実験核物理領域合同,理論核物理領域), 池野 なつ美; 関原(山縣) 淳子; 永廣 秀子; 慈道 大介; 比連崎 悟, 2009, 64, 0, 42, 42, 10.11316/jpsgaiyo.64.1.1.0_42_1
Nonlinear Phenomena in Complex Systems, The (K
-, p) reaction on
12C at KEK, V. K. Magas; J. Yamagata-Sekihara; S. Hirenzaki; E. Oset; A. Ramos, We study the (K-, p) reaction on 12C with a kaon beam of 1 GeV momentum, paying a special attention to the region of emitted protons having kinetic energy above 600 MeV, which was used to claim a deep kaon nucleus optical potential [1]. The experiment looks for fast protons emitted from the absorption of in flight kaons by nuclei, but in coincidence with at least one charged particle in the decay counters sandwiching the target. The analysis of the data is done in [1] assuming that the coincidence requirement does not change the shape of the final spectra. However our detailed calculations show that this assumption does not hold, and, thus, the final conclusion of this experiment is doubtful. We perform Monte Carlo simulation of this reaction. The advantage of our method with respect to Green's function method used in [1] is that it allows to account not only for quasi-elastic K-p scattering, but also for the other processes which contribute to the proton spectra. We investigated the effect of the multi-scatterings and of the K- absorptions by one and two nucleons (K-N → πY and K -NN → YN) followed by the decay of the hyperon in πN. We show that all these mechanisms allow us to explain reasonably well the observed spectrum with "standard" shallow kaon nucleus optical potential, obtained in chiral models., 2009, 12, 4, 414, 418
Refereed, Hyperfine Interactions, SPRINGER, Recent topics of mesic atoms and mesic nuclei, Junko Yamagata-Sekihara; Satoru Hirenzaki; Daniel Cabrera; Manuel J.Vicente Vacas, We study φ-meson production in nuclei to investigate the in-medium modification of the φ-meson spectral function at finite density. We consider (p̄, φ), (γ,p) and (π-, n) reactions to produce a φ-meson inside the nucleus and evaluate the effects of the medium modifications to reaction cross sections. The structures of the bound states, φ-mesic nuclei, are also studied. For strong absorptive interaction cases, we need to know the spectrum shape in a wide energy region to deduce the properties of φ. © Springer Science+Business Media B.V. 2009., 2009, 193, 1-3, 75, 80, 10.1007/s10751-009-0060-3
Refereed, Hyperfine Interactions, SPRINGER, Pionic atom factory project in the RIBF: Spectroscopy of pionic atom in
122Sn(d,
3He) nuclear reaction, Kenta Itahashi; Satoshi Itoh; Nobuhisa Fukunishi; Hans Geissel; Ryugo S. Hayano; Satoru Hirenzaki; Masahiko Iwasaki; Paul Kienle; Rie Kimura; Karl Lindberg; Chiara Nociforo; Hiroaki Ohnishi; Shinji Okada; Naoya Ono; Haruhiko Outa; Masaharu Sato; Ken Suzuki; Takatoshi Suzuki; Hideyuki Tatsuno; Per Erik Tegnér; Masanori Wakasugi; Helmut Weick; Junko Yamagata-Sekihara; Toshimitsu Yamazaki; Yasushige Yano; Irina Zartova, We are preparing for a high resolution spectroscopy of the 1s and 2s pionic states of 121Sn in the 122Sn(d,3He) reaction at the incident deuteron energy of ~500 MeV. The measurement will provide accurate information on the strong interaction between the pion and the nucleus, which leads to quantitative determination of the magnitude of the quark condensate at the normal nuclear density. © Springer Science+Business Media B.V. 2009., 2009, 193, 1-3, 27, 31, 10.1007/s10751-009-0069-7
原子核研究, エキゾチック原子核の生成反応入門, 原田融; 比連崎悟; 山縣(関原)淳子, 2009, 53, Supplement 2
Refereed, Modern Physics Letters A, WORLD SCIENTIFIC PUBL CO PTE LTD, Nuclear effects in neutrino induced reactions, M. J. Vicente Vacas; L. Alvarez-Ruso; L. S. Geng; J. Nieves; M. Valverde; S. Hirenzaki, We discuss the relevance of nuclear medium effects in the analysis of some low and medium energy neutrino reactions of current interest. In particular, we study the Quasi-Elastic (QE) process, where RPA correlations and Final State Interactions (FSI) are shown to play a crucial role. We have also investigated the ν induced coherent pion production. We find a strong reduction of the cross section due to the distortion of the pion wave function and the modification of the production mechanisms in the nucleus. The sensitivity of the results to the axial NΔ coupling C5A(0) has been also investigated. © 2008 World Scientific Publishing Company., 30 Sep. 2008, 23, 27-30, 2321, 2324, 10.1142/s0217732308029290
Refereed, MODERN PHYSICS LETTERS A, WORLD SCIENTIFIC PUBL CO PTE LTD, MESIC ATOMS AND MESIC NUCLEI, Satoru Hirenzaki, We briefly summarize the interests in mesic atoms and mesic nuclei in the contemporary hadron-nucleus physics and give a short report on the recent research activities for several meson-nucleus systems., Sep. 2008, 23, 27-30, 2497, 2504, 10.1142/S0217732308029678
Refereed, MODERN PHYSICS LETTERS A, WORLD SCIENTIFIC PUBL CO PTE LTD, STRUCTURE AND FORMATION OF KAONIC ATOMS AND KAONIC NUCLEI, Junko Yamagata; Satoru Hirenzaki; Hideko Nagahiro; Daisuke Jido, We study theoretically the in-flight (K-, N) reactions for the formation of (K) over bar NN systems using the microscopic chiral unitary s-wave (K) over barN amplitude to get deeper physical insights on the expected spectra, and to investigate the experimental feasibility of the reaction at J-PARC facility. We show the missing mass spectra of the (K-, N) reactions accompanied by the particle emissions due to (K) over barK absorption in nucleus., Sep. 2008, 23, 27-30, 2528, 2531, 10.1142/S0217732308029733
Refereed, MODERN PHYSICS LETTERS A, WORLD SCIENTIFIC PUBL CO PTE LTD, STUDY OF IN-MEDIUM PROPERTIES OF N*(1535) AND CHIRAL SYMMETRY FOR BARYONS THROUGH THE eta-MESIC NUCLEI FORMATION AT J-PARC, Hideko Nagahiro; Daisuke Jido; Satoru Hirenzaki, We investigate the properties of eta-nucleus interaction by postulating the N*(1535) dominance for eta-N system. We evaluate the N*(1535) properties in the nuclear medium using two kinds of chiral models, and find that these two models provide qualitatively different eta-nucleus optical potentials reflecting the quite distinct properties of N*(1535) in these chiral models. Especially, in the chiral doublet model, we can expect to have the level crossing between eta and N*(1535)-hole which is expected to provide the characteristic features for the optical potential and the formation spectra. We find also that the difference of these models can be seen in the formation cross sections of the eta mesic nuclei with (pi(+),p) reaction expected to be performed at J-PARC project., Sep. 2008, 23, 27-30, 2512, 2515, 10.1142/S0217732308029691
Refereed, Progress in Particle and Nuclear Physics, Elsevier BV, Photo- and electro-production of mesons on nucleons and nuclei, E. Oset; M. Döring; D. Strottman; D. Jido; M. Napsuciale; K. Sasaki; C.A. Vaquera-Araujo; M. Kaskulov; E. Hernandez; H. Nagahiro; S. Hirenzaki, Jul. 2008, 61, 1, 260, 275, True, 10.1016/j.ppnp.2007.12.024
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 23aSD-6 Precision Spectroscopy of Pionic Atom in (d,^3He) Nuclear Reaction (3) : Beam Optics Calculation of Deuteron Beam, Itoh S.; Sato M.; Wakasugi M.; Yamazaki T.; Yano Y.; Geissel H.; Nociforo C.; Weick H.; Kimura R.; Hirenzaki S.; Yamagata J.; Ono N.; Kienle P.; Suzuki K.; Lindberg K.; Tegner P.-E.; Zartova I.; Okada S.; Suzuki T.; Tatsuno H.; Hayano R.S.; Itahashi K.; Iwasaki M.; Ohnishi H.; Outa H., 2008, 63, 0, 74, 74, 10.11316/jpsgaiyo.63.2.1.0_74_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 24aZG-10 Formation of Mesic Atoms and Mesic Nuclei, Hirenzaki Satoru, 2008, 63, 0, 46, 46, 10.11316/jpsgaiyo.63.1.1.0_46_3
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 24aZG-6 3 body Structure of K^^-NN system, Noda H.; Yamagata J.; Sasaki K.; Hiyama E.; Hirenzaki S., 2008, 63, 0, 45, 45, 10.11316/jpsgaiyo.63.1.1.0_45_4
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 23pZG-15 Precision Spectroscopy of Pionic Atom in (d,^3He) Nuclear Reaction (2) : Beam Optics Calculation of Deuteron Beam, Itoh S.; Sato M.; Suzuki T.; Wakasugi M.; Yamazaki T.; Yano Y.; Geissel H.; Nociforo C.; Weick H.; Kimura R.; Hirenzaki S.; Ono N.; Yamagata J.; Kienle P.; Suzuki K.; Lindberg K.; Tegner P.-E.; Zartova I.; Tatsuno H.; Hayano R.S.; Itahashi K.; Iwasaki M.; Ohnishi H.; Okada S.; Outa H., 2008, 63, 0, 39, 39, 10.11316/jpsgaiyo.63.1.1.0_39_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 23pZG-14 Theoretical Study of Deeply Bound Picnic Atom Formation, Kimura Rie; Yamagata Junko; Geng Li Sheng; Hirenzaki Satoru, 2008, 63, 0, 39, 39, 10.11316/jpsgaiyo.63.1.1.0_39_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 24pZH-8 Strucutre and formation of φ mesic nuclei, Yamagata Junko; Hirenzaki Satoru; Cabrera D.; Vicente-Vacas M.J., 2008, 63, 0, 54, 54, 10.11316/jpsgaiyo.63.1.1.0_54_4
2nd International EtaMesonNet Workshop, ETA 2007, η
- and η′(958)-mesic nuclei formation and U
A(1) anomaly at finite density in Nambu-Jona-Lasinio model, H. Nagahiro; M. Takizawa; S. Hirenzaki, 2007, 73, 74
2nd International EtaMesonNet Workshop, ETA 2007, Theoretical aspects of η mesic nuclei and formation reactions, Satoru Hirenzaki, 2007, 64, 65
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 28aSC-9 In-flight(K^-,N) spectra on light nuclei for kaon bound states formation, Yamagata Junko; Hirenzaki Satoru, 2007, 62, 0, 51, 51, 10.11316/jpsgaiyo.62.1.1.0_51_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 22aYE-5 Restoration of U_A(1) symmetry at finite density, Takizawa Makoto; Nagahiro Hideko; Hirenzaki Satoru, 2007, 62, 0, 43, 43, 10.11316/jpsgaiyo.62.2.1.0_43_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 24aZD-11 Precision Spectroscopy of Pionic Atoms in (d,^3He) Nuclear Reactions (1) : Beam Optics Calculation of deuteron Beam, Itoh S.; Suzuki T.; Wakasugi M.; Yamazaki T.; Yano Y.; Geissei H.; Weick H.; Kimura R.; Hirenzaki S.; Yamagata J.; Kienle P.; Tatsuno H.; Suzuki K.; Lindberg K.; Tegner P.-E.; Zartova I.; Hayano R.S.; Itahashi K.; Iwasaki M.; Ohnishi H.; Okada S.; Outa H.; Sato M., 2007, 62, 0, 91, 91, 10.11316/jpsgaiyo.62.2.1.0_91_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 21pZD-8 Structure of K^^-NN Bound system with Gaussian Expansion Method, Noda H.; Yamagata J.; Sasaki K.; Hiyama E.; Hirenzaki S., 2007, 62, 0, 71, 71, 10.11316/jpsgaiyo.62.2.1.0_71_3
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 22aYE-3 Photoproduction of φ meson and φ mesic nuclei, Yamagata Junko; Hirenzaki Satoru, 2007, 62, 0, 42, 42, 10.11316/jpsgaiyo.62.2.1.0_42_3
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 22aYE-2 Possible ω bound states in nuclei produced with the (γ,p) reaction, Nagahiro H.; Kaskulov M.; Oset E.; Jido D.; Hirenzaki S., 2007, 62, 0, 42, 42, 10.11316/jpsgaiyo.62.2.1.0_42_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 22aYE-1 Deeply Bound Pionic Atom Formation by (d,^3He) reactions at RIBF, Kimura Rie; Yamagata Junko; Hirenzaki Satoru, 2007, 62, 0, 42, 42, 10.11316/jpsgaiyo.62.2.1.0_42_1
Refereed, PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT, PROGRESS THEORETICAL PHYSICS PUBLICATION OFFICE, Chiral physics in mesic atoms and mesic nuclei, Satoru Hirenzaki, We summarize recent research activities on the mesic atoms and mesic nuclei in the context of the chiral dynamics in medium. We briefly introduce the studies of Kaon-, eta-, eta'(958)-bound states in nuclei., 2007, 168, 458, 465, 10.1143/PTPS.168.458
Refereed, AIP Conference Proceedings, AMER INST PHYSICS, Neutrino-induced coherent pion production, L. Alvarez-Ruso; L. S. Geng; S. Hirenzaki; M. J.Vicente Vacas; T. Leitner; U. Mosel, We have investigated the neutrino induced coherent pion production reaction at the energies of interest for recent experiments like K2K and MiniBooNE. The model includes pion, nucleon and the δ( 1232) resonance. Medium effects in the production mechanism and the distortion of the pion wave function are taken into account. We find a strong reduction of the cross section due to these effects and also substantial modifications in the energy distributions of the final pion. The sensitivity of the results on the axial N-δ coupling CA5 (0) and the coherent fraction in neutral-current π0 production are discussed. © 2007 American Institute of Physics., 2007, 967, 201, 204, 10.1063/1.2834478
Refereed, CONDENSED MATTER THEORIES, VOL 21, NOVA SCIENCE PUBLISHERS, INC, Exotic mesic atoms for a class of strongly correlated fermi systems, S. Hirenzaki; H. Nagahiro; J. Yamagata, 2007, 21, 351, +
素粒子論研究, 素粒子論グループ 素粒子論研究 編集部, 中間子原子と中間子原子核(基研滞在型研究会「テンソル力と多核子相関」研究会報告), 比連崎 悟, 2006, 113, 6, F101, F102, 10.24532/soken.113.6_F101
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 29pWG-6 η'(958) mesic nuclei with NJL model and the effect of U_A(1) anomaly at finite density, Nagahiro Hideko; Takizawa Makoto; Hirenzaki Satoru, 2006, 61, 0, 43, 43, 10.11316/jpsgaiyo.61.1.1.0_43_4
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 27aWG-7 Light scalar meson nonet at finite density, Takizawa Makoto; Nagahiro Hideko; Hirenzaki Satoru; Oka Makoto, 2006, 61, 0, 31, 31, 10.11316/jpsgaiyo.61.1.1.0_31_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 29pWD-3 Kaon bound states in In-flight (K^^-, N) spectra, Yamagata Junko; Nagahiro Hideko; Hirenzaki Satoru, 2006, 61, 0, 71, 71, 10.11316/jpsgaiyo.61.1.1.0_71_2
日本物理学会講演概要集, 一般社団法人 日本物理学会, 30aWB-1 Mesic Atoms and Mesic Nuclei : どうやって作るか何が面白いか(30aWB 理論核物理領域,実験核物理領域合同シンポジウム:クォーク・ハドロン多体系の物理:J-PARCを目指して,理論核物理領域,実験核物理領域合同招待講演,理論核物理領域), 比連崎 悟, 2006, 61, 0, 44, 44, 10.11316/jpsgaiyo.61.1.1.0_44_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 21pSD-9 (K^-,N) reactions at J-PARC and Kaon-Nucleus systems, Yamagata Junko; Nagahiro Hideko; Hirenzaki Satoru, 2006, 61, 0, 40, 40, 10.11316/jpsgaiyo.61.2.1.0_40_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 22aSC-6 Strange mesons at finite density, Takizawa Makoto; Nagahiro Hideko; Hirenzaki Satoru; Oka Makoto, 2006, 61, 0, 18, 18, 10.11316/jpsgaiyo.61.2.1.0_18_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 20pSC-8 Formation reaction of eta mesic nuclei induced by meson beam, Nagahiro Hideko; Jido Daisuke; Hirenzaki Satoru, 2006, 61, 0, 7, 7, 10.11316/jpsgaiyo.61.2.1.0_7_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 20pSC-7 Possible level crossing of eta and N^*-hole modes in nuclei, Jido D.; Nagahiro H.; Hirenzaki S.; Kolomeitsev Evigeni E., 2006, 61, 0, 7, 7, 10.11316/jpsgaiyo.61.2.1.0_7_1
Refereed, AIP Conference Proceedings, AMER INST PHYSICS, η′(958)-mesic nuclei formation and U
A(1) anomaly at finite density, Hideko Nagahiro; Makoto Takizawa; Satoru Hirenzaki, We discuss the possibility of producing the bound states of the η′(958) meson in nuclei theoretically using the the Nambu-Jona-Lasinio (NJL) model. We calculate the formation cross section of the η′ bound states with the Green function method for the (γ,p) reaction and discuss the experimental feasibility at photon facilities such as SPring-8. We conclude that we can expect to observe resonance peaks in (γ,p) spectra for the formation of η′ bound states and we can deduce new information on η′ properties at finite density. These observations are believed to be essential to know the possible mass shift of η′ and deduce new information on the effective restoration of the chiral UA(1) anomaly at finite density. © 2006 American Institute of Physics., 2006, 842, 228, 230, 10.1063/1.2220233
Not Refereed, Nuclear Physics A, ELSEVIER SCIENCE BV, In-medium properties of N*(1535) in chiral models and η-nucleus interaction, H. Nagahiro; D. Jido; S. Hirenzaki, We investigate the properties of η-nucleus interaction by postulating the N*(1535) dominance for η-N system. We evaluate the N*(1535) properties in the nuclear medium using two kinds of chiral models, and find that these two models provide qualitatively different η-nucleus optical potential reflecting the quite distinct properties of N*(1535) in these chiral models. We find also that the difference of these models can be seen in the formation cross sections of the η mesic nuclei with (d, 3He) and (γ,p) reactions, which are expected to be distinguishable in experiments. © 2005 Elsevier B.V. All rights reserved., 13 Jun. 2005, 755, 1-4, 491, 494, 10.1016/j.nuclphysa.2005.03.061
Not Refereed, JPS journal, Origin of Hadron Masses probed by Pionic Atoms, HIRENZAKI Satoru; K. Suzuki, 2005, 60, 12, 19
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 24pWH-13 In-medium effect of U_A(1) anomaly and formation of η'(958) mesic nuclei, Nagahiro Hideko; Hirenzaki Satoru, 2005, 60, 0, 39, 39, 10.11316/jpsgaiyo.60.1.1.0_39_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 27aZA-10 "Production of θ^+ Hypernuclei with the (K^+,π^+) reaction", Hirensaki S.; Nagahiro H.; set E.; Vicente M. J.; Vacas A, 2005, 60, 0, 53, 53, 10.11316/jpsgaiyo.60.1.1.0_53_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 27pZA-8 Formation of K-nucleus bound systems by In-flight (K,N) reactions, Yamagata Junko; Nagahiro Hideko; Hirenzaki Satoru, 2005, 60, 0, 56, 56, 10.11316/jpsgaiyo.60.1.1.0_56_2
Not Refereed, Pentaquark 04, Proceedings, WORLD SCIENTIFIC PUBL CO PTE LTD, Production of circle dot(+) hypernuclei with the (K+,pi(+)) reaction, H Nagahiro; S Hirenzaki; E Oset; MJV Vacas, We investigate the formation cross sections of the Theta(+)-hypernuclei theoretically. In the (K+,pi(+)) reaction, we obtain the excitation spectra with clearly differentiated peaks corresponding to the Theta(+) bound states., 2005, 378, 385
Not Refereed, Butsuri, The Physical Society of Japan, Pionic Atom as a Probe of Origin of the Hadron Mass-Quantitative Evaluation of the Chiral Condensate in a Nuclear Medium-, Suzuki Ken; Itahashi Kenta; Hirenzaki Satoru; Hayano Ryugo, Spontaneous breaking of chiral symmetry is believed to be the mechanism which endows nucleons their large masses. The order parameter of the symmetry breaking is the' chiral condensate, whose magnitude is predicted to decrease linearly as the nuclear density is increased. ' The reduction of quark condensate was quantitatively studied from recent precise measurement of deeply bound pionic Is states " on three tin (Sn) isotopes. We made use of the Gell-Mann-Oakes-Renner relation which connects the magnitude of quark-codensate to a pion decay constant, and then used the Tomozawa-Wemberg relation which relates the pion decay constant to an isovector strength of the pion-nucleus potential. The potential strength was determined by fitting the measured pionic Is-state binding energies. The result shows that the quark-condensate strength is reduced by about 35% at normal nuclear density, compared with the "vacuum" value obtained from pionic hydrogen X-ray measurements This is the first quantitative deduction of the quark condensate modification at finite nuclear density, and is an important step towards understanding the origin of hadron masses., 2005, 60, 1, 12, 19, 10.11316/butsuri1946.60.12
Not Refereed, 原子核研究, Formation of Kaonic Atoms and Kaonic Nuclei in In-Flight (K,N) reactions, HIRENZAKI Satoru; J. Yamagata, 2005, 50, 3, 41, 45
Not Refereed, 原子核研究, Spectroscopy of Pionic Atoms with Unstable Nuclei, HIRENZAKI Satoru; K. Itahahsi, 2005, 49, 6, 153, 158
KEK Proceedings, 『中間子原子核』~KEK研究会「通常核から離れた核物理の新展開」~, 比連崎悟, 2005, 2004-15
Not Refereed, Nuclear Physics A, ELSEVIER SCIENCE BV, Mesic atoms and mesic nuclei, Satoru Hirenzaki, In this paper we will report recent developments of the theoretical studies for the structure and formation of the meson-nucleus systcms. Following subjects will be included; Formation of the 1s pionic states in medium heavy nuclei and a clear evidence for partial restoration of chiral symmetry in nuclear medium, Deeply bound pionic atom formation in β-unstable nuclei with halo neutron states, Structure and formation of the η mesic nuclei in chiral models. © 2004 Published by Elsevier B.V., 28 Jun. 2004, 738, 1-4 SUPPL., 377, 381, 10.1016/j.nuclphysa.2004.04.065
Not Refereed, KEK Proceedings, Mesic Nuclei, HIRENZAKI Satoru; S. Hirenzaki, 2004, 2004, 15, 64, 69
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 28pSJ-5 Possibility of the η′(958) formation in the nuclear medium, Nagahiro Hideko; Hirenzaki Satoru, 2004, 59, 0, 34, 34, 10.11316/jpsgaiyo.59.2.1.0_34_4
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 30pSH-3 K-mesic Nuclei Formation in (K, N) reactions, Yamagata Junko; Nagahiro Hideko; Hirenzaki Satoru, 2004, 59, 0, 68, 68, 10.11316/jpsgaiyo.59.2.1.0_68_3
Not Refereed, KEK 研究会議事録, 中間子原子核, 比連崎 悟; 比連崎悟, 2004, 2004, 15, 64, 69
Not Refereed, Progress of Theoretical Physics Supplement, PROGRESS THEORETICAL PHYSICS PUBLICATION OFFICE, η-mesic nuclei in chiral models, Hideko Nagahiro; Daisuke Jido; Satoru Hirenzaki, The properties of η-nucleus interaction and their experimental consequences are investigated with η-nucleus optical potentials obtained by postulating the N*(1535) dominance for η-N system. The N*(1535) properties in the nuclear medium are evaluated by two kinds of chiral effective models based on distinct pictures of N*(1535). We find that these two models provide qualitatively different optical potentials of the η meson, reflecting the different in-medium properties of N*(1535) expected in these two models. In order to compare these models in physical observables, we calculate spectra of (d,3He) reactions for the η mesic nucleus formation with various kinds of target nuclei. We show that the (d, 3He) spectra obtained in these models are significantly different and are expected to be distinguishable in experiments., 2004, 153, 153, 340, 343, 10.1143/PTPS.153.340
Refereed, Nuclear Physics A, ELSEVIER SCIENCE BV, Formation of deeply bound pionic atoms in the (d,
3He) reaction, S. Hirenzaki, In this short report, we summarize recent research activities on meson-nucleus bound systems using the (d,3He) spectroscopies., 30 Jun. 2003, 721, C839, C841, 10.1016/S0375-9474(03)01221-1
Refereed, Nuclear Physics A, ELSEVIER SCIENCE BV, Medium effects to the N(1535) resonance and η mesic nuclei, D. Jido; H. Nagahiro; S. Hirenzaki, The structure of η-nucleus bound systems (η mesic nuclei) is investigated as one of the tools to study in-medium properties of the N(1535) (N*) resonance. We show that, as a general consequence, the η-nucleus potential has a repulsive core at the nuclear center with an attractive part at the nuclear surface, if sufficient reduction of the mass difference of N and N* stems from the in-medium effects to N*. The (d,3He) spectra are evaluated for the formation of these bound states to investigate the experimental feasibility., 30 Jun. 2003, 721, C665, C668, 10.1016/S0375-9474(03)01148-5
Refereed, Nuclear Physics A, ELSEVIER SCIENCE BV, Deeply bound pionic 1s states in Sn isotopes, K. Suzuki; M. Fujita; H. Geissel; H. Gilg; A. Gillitzer; R. S. Hayano; S. Hirenzaki; K. Itahashi; M. Iwasaki; P. Kienle; M. Matos; G. Münzenberg; T. Ohtsubo; M. Sato; M. Shindo; T. Suzuki; H. Weick; M. Winkler; T. Yamazaki; T. Yoneyama, We successfully observed deeply bound pionic 1s states in Sn isotopes (115Sn, 119Sn, 123Sn) using the Sn(d,3He) pion-transfer reaction under the recoil-free condition. The 1s binding energies and widths were determined to high precision. The present results indicate that the isovector part of the s-wave pion-nucleus interaction is significantly enhanced, giving a clear evidence for partial restoration of chiral symmetry in the nuclear medium., 30 Jun. 2003, 721, C831, C834, 10.1016/S0375-9474(03)01219-3
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 12aSH-3 Roper excitation in (d, d') reactions at Td=2.4GeV, Yonezawa Asami; Nagahiro Hideko; Hirenzaki Satoru, 2003, 58, 0, 42, 42, 10.11316/jpsgaiyo.58.2.1.0_42_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 12aSH-4 Formation of Mesic Nuclei by (γ, p) reactions, Nagahiro Hideko; Hirenzaki Satoru, 2003, 58, 0, 42, 42, 10.11316/jpsgaiyo.58.2.1.0_42_3
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, σ meson-Nucleus Bound system, Hirenzaki Satoru; Nagahio Hideko, 2003, 58, 0, 35, 35, 10.11316/jpsgaiyo.58.1.1.0_35_4
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Residual interaction effects on deeply bound pionic states in Sn-isotope, Togawa Naoko; Nagahiro Hideko; Hirenzaki Satoru; Kume Kenji, 2003, 58, 0, 36, 36, 10.11316/jpsgaiyo.58.1.1.0_36_1
Refereed, Progress of Theoretical Physics Supplement, PROGRESS THEORETICAL PHYSICS PUBLICATION OFFICE, Chiral Symmetry and Meson-Nucleus Bound States, Satoru Hirenzaki, We summarize current research activities on the deeply bound pionic states, η-mesic nuclei, and σ-mesic nuclei, and their relation to the chiral dynamics in hadron physics., 2003, 149, 149, 20, 31, 10.1143/PTPS.149.20
Refereed, Progress of Theoretical Physics Supplement, PROGRESS THEORETICAL PHYSICS PUBLICATION OFFICE, Observation of Pionic 1s States in Sn Nuclei and Its Implications on Chiral Symmetry Restoration, K. Suzuki; M. Fujita; H. Geissel; H. Gilg; A. Gillitzer; R. S. Hayano; S. Hirenzaki; K. Itahashi; M. Iwasaki; P. Kienle; M. Matos; G. Münzenberg; T. Ohtsubo; M. Sato; M. Shindo; T. Suzuki; H. Weick; M. Winkler; T. Yamazaki; T. Yoneyama, We observed deeply bound π- 1s states in 115,119,123sn for the first time in 116,120,124Sn(d, 3He) reactions at recoil free conditions to determine the 1s binding energies and the widths precisely. A preliminary result is used to deduce the isovector scattering amplitude as b1 = 0.115 ± 0.005 m π-1. The observed enhancement of b1 over the free πN value infers 35% reduction of fπ2 at the normal nuclear density, ρ = 0.17 fm-3., 2003, 149, 149, 32, 41, 10.1143/PTPS.149.32
日本物理学会講演概要集, 一般社団法人 日本物理学会, 24aXC-2 Possible Enhancement of the formation of deeply bound pionic atoms in halo nuclei, 藤田 雅子; 比連崎 悟; 久米 健次, 2002, 57, 0, 21, 21, 10.11316/jpsgaiyo.57.1.1.0_21_2
日本物理学会講演概要集, 一般社団法人 日本物理学会, 27aXC-5 Medium effects to N^*.resonance and η mesic nuclei, 慈道 大介; 永広 秀子; 比連崎 悟, 2002, 57, 0, 28, 28, 10.11316/jpsgaiyo.57.1.1.0_28_1
日本物理学会講演概要集, 一般社団法人 日本物理学会, 24aWF-3 パイ中間子〓原子の高精度分光実験(2), 進藤 美紀; 藤田 雅子; 大坪 隆; H Gilg; P Kien]e; H Geissei; M Matos; H Weick; M Winkler; G Monzenberg; A Gillitzer; 鈴木 謙; 山崎 敏光; 鈴木 隆敏; 早野 龍五; 板橋 健太; 米山 哲; 佐藤 将春; 岩崎 雅彦; 比連 崎悟, 2002, 57, 0, 31, 31, 10.11316/jpsgaiyo.57.1.1.0_31_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Stnlcture and Formation of η-mesic nuclei in Chiral doublet model, Nagahiro Hideko; Jidob Daisuke; Hirenzaki Satoru, 2002, 57, 0, 36, 36, 10.11316/jpsgaiyo.57.2.1.0_36_3
Refereed, HADRON SPECTROSCOPY, AMER INST PHYSICS, Deeply bound 1s and 2p pionic states in Pb-205 and effective pion mass in nuclear matter, H Geissel; H Gilg; A Gillitzer; RS Hayano; S Hirenzaki; K Itahashi; M Iwasaki; P Kienle; M Munch; G Munzenberg; W Schott; K Suzuki; D Tomono; H Weick; T Yamazaki; T Yoneyama, We have succeeded in observing the Is and 2p bound pionic states in Pb-205 nucleus as well separated peaks in the excitation spectrum of the Pb-206(d, He-3) reaction. The observed spectrum agreed quite well with the theoretical prediction where the formation cross section was calculated for the deeply bound picnic states. These states are accommodated in proximity to the nuclear surface as halo states in a potential provided by the attractive Coulomb and the repulsive core. The binding energies and the widths were precisely determined, and the values were used to deduce the unknown s-wave part of the Ti-nueleus interaction and to translate it to the effective pion mass in nuclear matter., 2002, 619, 749, 752
Refereed, NUCLEAR PHYSICS IN THE 21ST CENTURY, AMER INST PHYSICS, Deeply bound 1s and 2p pionic states in Pb-205 and effective pion mass in nuclear matter, H Geissel; H Gilg; A Gillitzer; RS Hayano; S Hirenzaki; K Itahashi; M Iwasaki; P Kienle; M Munch; G Munzenberg; W Schott; K Suzuki; D Tomono; H Weick; T Yamazaki; T Yoneyama, Recently we have succeeded in observing the 1s and 2p bound pionic states in Pb-205 nucleus as well separated peaks in the excitation spectrum of the Pb-206(d,He-3) reaction. The observed spectrum agreed quite well with the theoretical prediction where the formation cross section was calculated for the deeply bound pionic states [1]. These states are accommodated in proximity to the nuclear surface as halo states in a potential provided by the attractive Coulomb and the repulsive core. The binding energies and the widths were precisely determined, and the values were used to deduce the unknown s-wave part of the pi-nucleus interaction and to translate it to the effective pion mass in nuclear matter., 2002, 610, 1019, 1023
Refereed, HADRON AND NUCLEAR PHYSICS WITH ELECTROMAGNETIC PROBES, ELSEVIER SCIENCE BV, Quasi-deuteron picture for He-3 and He-4 photodisintegration, S Hirenzaki; Y Umemoto; K Kume, We have developed a phenomenological quasi-deuteron model to describe photodisintegration reactions of He-3 and He-4 at intermediate photon energies and compared the results with experimental data obtained by the TAGX group in which contributions from photon absorption by pn pairs were selectively observed. The data can be reproduced reasonably well. However there still remain certain discrepancies between calculated results and data., 2001, 177, 182
Refereed, Pramana - Journal of Physics, INDIAN ACADEMY SCIENCES, Chiral unitary theory: Application to nuclear problems, E. Oset; D. Cabrera; H. C. Chiang; C. Garcia Recio; S. Hirenzaki; S. S. Kamalov; J. Nieves; Y. Okumura; A. Ramos; H. Toki; M. J. Vicente Vacas, In this talk we briefly describe some basic elements of chiral perturbation theory, χPT, and how the implementation of unitarity and other novel elements lead to a better expansion of the T-matrix for meson-meson and meson-baryon interactions. Applications are then done to the ππ interaction in nuclear matter in the scalar and vector channels, antikaons in nuclei and K- atoms, and how the φ meson properties are changed in a nuclear medium., 2001, 57, 2-3, 417, 431, 10.1007/s12043-001-0050-8
Refereed, Nuclear Physics A, ELSEVIER SCIENCE BV, Structure and formation of deeply bound pionic atoms, Satoru Hirenzaki; Hiroshi Toki, We discuss some recent developments of the theoretical studies for the structure and formation of the deeply bound pionic atoms, which were found experimentally using (d,3He) reactions., 08 May 2000, 670, 1-4, 194, 197, 10.1016/S0375-9474(00)00097-X
Refereed, Nuclear Physics A, Observation of well-resolved 1s and 2p π
- states in Pb by high resolution (d,
3He) spectroscopy, A. Gillitzer; H. Geissel; H. Gilg; R. S. Hayano; S. Hirenzaki; K. Itahashi; M. Iwasaki; P. Kienle; M. Münch; G. Münzenberg; W. Schott; K. Suzuki; D. Tomono; H. Weick; T. Yamazaki; T. Yoneyama, The formation of deeply bound pionic states in Pb has been studied experimentally in 208Pb(d,3He) and, very recently, in 206Pb(d,3He) reactions. The 208Pb(d,3He) experiment has been fully analysed and its result is compared to model predictions. In the 206Pb(d,3He) reaction the pionic 1s state was observed as a well-separated peak in the excitation energy spectrum., 31 Jan. 2000, 663-664, 1-2, 206c, 209c, 10.1016/S0375-9474(99)00589-8
Refereed, Nuclear Physics A, Physics of mesic atoms and mesic nuclei -structure and formation-, S. Hirenzaki; T. Hatsuda; K. Kume; T. Kunihiro; H. Nagahiro; Y. Okumura; E. Oset; A. Ramos; H. Toki; Y. Umemoto, We have studied the structure and formation of mesic atoms and mesic nuclei theoretically. The latest results on the deeply bound pionic atoms, the kaonic atoms and the sigma states are reported., 31 Jan. 2000, 663-664, 1-2, 553c, 556c, 10.1016/s0375-9474(99)00654-5
Refereed, Acta Physica Polonica B, ACTA PHYSICA POLONICA B, JAGELLONIAN UNIV, INST PHYSICS, Chiral unitary approach to the K̄ nucleus interaction and kaonic atoms, E. Oset; S. Hirenzaki; Y. Okumura; A. Ramos; H. Toki; M. J. Vicente Vacas, We review recent work on various topics related to the modification of kaon properties in nuclei. After a brief exposition of the K̄N and K̄ nucleus interaction, results from the application to K- atoms, renormalization of the f0 and a0 scalar resonances in nuclei and φ decay in the nucleus are shown., 2000, 31, 10-11, 2285, 2294
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 26aSH-3 Formation of deeply bound pionic ls states by(d,^3He)reaction, UMEMOTO Yukiko; HIRENZAKI Satoru; TOKI Hiroshi; KUME Kenji, 1999, 54, 0, 42, 42, 10.11316/jpsgaiyo.54.2.1.0_42_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 24aSC-1 Deeply Bound Pionic States-Formation and Interests, HIRENZAKI Satoru, 1999, 54, 0, 51, 51, 10.11316/jpsgaiyo.54.2.1.0_51_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 24aSC-4 Search for bound η-and ω-nuclear states, SUZUKI K; GILG H; KIENLE P; MUNZENBERG G; GEISSEL H; ITABASHI K; HAYANO R.S; TANIDA K; IWASAKI M; YAMAZAKI T; HIRENZAKI S; TOKI H; Gillitzer A; SCHOTT W, 1999, 54, 0, 51, 51, 10.11316/jpsgaiyo.54.2.1.0_51_3
日本物理学会講演概要集, 一般社団法人 日本物理学会, 30p-YH-6 π中間子の鉛原子核による深い束縛状態の探索実験(V), 米山 哲; Munzenbreg G.; Geissel H.; Weick H.; Gillitzer A.; Schott W.; Munch M.; Kienle P.; 岩崎 雅彦; 友野 大; 板橋 健太; 早野 龍五; 鈴木 謙; Gilg H.; 山崎 敏光; 比連崎 悟, 1999, 54, 0, 70, 70, 10.11316/jpsgaiyo.54.1.1.0_70_1
Not Refereed, Chap.8 in 'Nucleon-Hadron Many Body Systems -From Hadron-Meson to Quark-Lepton Nuclear Physics' Oxford Science Pub. Eds. H. Ejiri and H. Toki, Deeply Bound Pionic Atoms (共著), HIRENZAKI Satoru; H. Toki, 1999, Chap. 8
Not Refereed, パリティ, 丸善, パイ中間子原子の深部構造, 比連崎 悟, May 1998, 13, 5, 23, 30
Not Refereed, Parity, Structure of Deeply Bound Pionic Atoms, HIRENZAKI Satoru; S. Hirenzaki, 1998, 5, 23, 30
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 6a-C-12 Proton Elastic Scattering and Neutron Distribution of Unstable Nuclei, KAKI Kaori; HIRENZAKI Satoru, 1998, 53, 0, 44, 44, 10.11316/jpsgaiyo.53.2.1.0_44_3
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 31p-F-12 Photon absorption on a neutron-proton pair in ^3He and ^4He, UMEMOTO Yukiko; HIRENZAKI Satoru; KUME Kenji, 1998, 53, 0, 36, 36, 10.11316/jpsgaiyo.53.1.1.0_36_4
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Detamination of the optical from the deephy bowndpionic atom for deformed nucleus, NOSE-TOGAWA N.; HIRENZAKI S.; KUME K., 1998, 53, 0, 44, 44, 10.11316/jpsgaiyo.53.1.1.0_44_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 2a-F-2 Structure of Deeply Bound Pionic Atoms, HIRENZAKI S.; KANEYASU H.; KUME K.; TOKI H., 1998, 53, 0, 44, 44, 10.11316/jpsgaiyo.53.1.1.0_44_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 22p-B-4 Formation of Mesic Nucleus by Direct Reactions, Hirenzaki S.; Toki H., 1997, 52, 0, 45, 45, 10.11316/jpsgaiyo.52.2.1.0_45_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 23a-A-4 Photon absorption on a neutron-proton pair in ^3He, Umemoto Yukiko; Hirenzaki Satoru; Kume Kenzi, 1997, 52, 0, 47, 47, 10.11316/jpsgaiyo.52.2.1.0_47_1
Refereed, N* PHYSICS, WORLD SCIENTIFIC PUBL CO PTE LTD, N* resonances and 2 pi production, E Oset; JA Gomez-Tejedor; F Cano; S Hirenzaki; PF de Cordoba; L Alvarez-Ruso; MJ Vicente-Vacas, We discuss the repercussion of the N* (1520) resonance in the gamma N --> pi pi N reaction from where one extracts novel information on the decay properties of this resonance, which offers a new challenge to quark models of the baryons. On the other hand we show the results of the analysis of the (alpha,alpha') reaction on a proton target exciting the Roper resonance with an isoscalar source. This novel excitation channel of the Roper is found to play a major role in the NN --> NN pi pi reaction close to threshold., 1997, 4, 233, 242
日本物理学会講演概要集(分科会), Proton-Nucleus Elastic Scattering In Impulse Approximation And Neutron Distributions of Ca Isotopes., 嘉規香織; 比連崎悟, 1997, 1997
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 9p-F-11 Formation of Deeply Bound Pionic atoms by (d, ^3He) reactions, Hirenzaki S.; Takahashi K.; Toki H., 1996, 1996, 0, 103, 103, 10.11316/jpsgaiyoj.1996.1.0_103_1
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 9p-F-12 Strong interaction quadrupole effects in Deeply Bound Pionic Atoms, Nose N.; Hirenzaki S.; Kume K., 1996, 1996, 0, 103, 103, 10.11316/jpsgaiyoj.1996.1.0_103_2
Refereed, Nuclear Physics, Section A, ELSEVIER SCIENCE BV, Mecroscopic kaonic atom optical potential in finite nuclei with Λ(1405) and Σ(1385) resonances and kaonic helium, Masaki Mizoguchi; Satoru Hirenzaki; Hiroshi Toki, 13 Mar. 1995, 585, 1-2, 349, 350, 10.1016/0375-9474(94)00601-I
Refereed, Nuclear Physics, Section A, ELSEVIER SCIENCE BV, Deeply bound pionic atoms on unstable nuclei, S. Hirenzaki, 13 Mar. 1995, 585, 1-2, 251, 254, 10.1016/0375-9474(94)00574-7
Soryushiron Kenkyu Electronics, Soryushiron Kenkyu Editorial Office, Reactions of Neutron Rich Nuclei at Intermediate Energies, Hirenzaki Satoru, 1995, 91, 5, E61, E66, 10.24532/soken.91.5_E61
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 4a-E-8 (^3He, t) Reactions on Unstable Nuclei, HIRENZAKI Satoru; FUKUNISHI Nobunao; HIRATA D.; KITAGAWA Hisashi, 1993, 1993, 0, 73, 73, 10.11316/jpsgaiyoj.1993.1.0_73_2
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 28p-P-11 K^-atom optical potential, Mizoguchi Masaki; Hirenzaki Satoru; Toki Hiroshi, 1992, 47, 0, 27, 27, 10.11316/jpsgaiyod.47.1.0_27_2
Refereed, INTERNATIONAL WORKSHOP ON PIONS IN NUCLEI, WORLD SCIENTIFIC PUBL CO PTE LTD, FORMATION OF DEEPLY BOUND PIONIC ATOMS, S HIRENZAKI; H TOKI; T YAMAZAKI, 1992, 345, 354
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 30a-L-3 The P+^<9.11> Li elastic scattering, Hirenzaki Satoru, 1992, 47.1, 29, 10.11316/jpsgaiyod.47.1.0_29_2
Refereed, Nuclear Physics A, Elsevier BV, Structure and formation of deeply bound pionic atoms, H. Toki; S. Hirenzaki; T. Yamazaki; R.S. Hayano, May 1991, 527, 455, 458, 10.1016/0375-9474(91)90138-v
Not Refereed, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 11a-G-12 Topological Defects in Gauge Theory and Multidimensional Cosmology, Nakamura A.; Shiraishi K.; Hirenzaki S., 1989, 1989, 0, 1, 1, 10.11316/jpsgaiyok.1989.1.0_1_2
秋の分科会予稿集, 一般社団法人 日本物理学会, 10p-G-5 Pionic atom of unstable nuclei, 比連崎 悟; 梶野 敏貴; 土岐 博; 久保 謙一; 谷畑 勇夫, 1986, 1986, 0, 66, 66, 10.11316/jpsgaiyok.1986.1.0_66_2
日本物理学会講演概要集, 一般社団法人日本物理学会, 28pSN-5 η中間原子核で見るバリオンのカイラル対称性と媒質効果, 永廣 秀子; 慈道 大介; 比連 崎悟, 06 Mar. 2003, 58, 1, 65, 65
日本物理学会講演概要集, 一般社団法人日本物理学会, 24aWF-4 パイ中間子〓原子の高精度分光実験(3), 鈴木 謙; 鈴木 隆敏; 進藤 美紀; 早野 龍五; 板橋 健太; 米山 哲; 佐藤 将春; 岩崎 雅彦; 比連崎 悟; 藤田 雅子; 大坪 隆; H Gilg; P Kienle; H Geissel; M Matos; H Weick; M winkler; G Mifnzenberg; A Gillitzer; 山崎 敏光, 01 Mar. 2002, 57, 1, 31, 31
Soryushiron Kenkyu, Soryushiron Kenkyu, Kaonic atom optical potential, Mizoguchi Masaki; Hirenzaki Satoru; Toki Hiroshi, We discuss how kaon-nucleus interaction is described by using the kaon-nucleon scattering data. Here, we report kaonic atom optical potential. We obtain microscopic kaonic atom optical potential in finite nuclei taking into account the K-NΛ(1405) and K-NΣ(1385) interactions. The experimental kaonic atom data (Z>2) are reproduced well. The details of this report are found in Ref., 20 Jul. 1995, 91, 4, D38, D44
Abstracts of the meeting of the Physical Society of Japan. Annual meeting, The Physical Society of Japan (JPS), 1a-ZM-11 A general formula of the coalescence model, Hirenzaki S.; Suzuki T.; Tanihata I., 16 Mar. 1993, 48, 1, 88, 88
JPS Conf. Proc., Formation of Deeply Bound Pionic Atoms and Pion Properties in Nuclei, Ikeno, Natsumi; Yamagata-Sekihara, Junko; Nagahiro, Hideko; Hirenzaki, Satoru, 2017, 13, 020016, 020016, 10.7566/JPSCP.13.020016
Acta Physica Polonica A, Pion-Nucleon Sigma Term by Deeply Bound Pionic Atoms, N. Ikeno; T. Nishi; K. Itahashi; N. Nose-Togawa; A. Tani; S. Hirenzaki, We report the results of research on the sensitivity of the observables of the deeply bound pionic atom to the pion-nucleon sigma term σπN. We calculate the uncertainties of determining the value of sigmaπN with the accurate data of the deeply bound pionic atoms expected to be obtained at the RI Beam Factory (RIBF), RIKEN. We find that the energy gap of the 1s and 2p pionic states, (Bπ(1s) - Bπ(2p)), and the width of the 1s state for the lighter Sn isotope are expected to be important observables to precisely determine the σπN value by taking into account the expected errors of the experiments., Sep. 2022, 142, 3, 342, 346, 10.12693/APhysPolA.142.342
Invited oral presentation, 28 Dec. 2023, 30 Dec. 2023
Oral presentation, 05 Jun. 2023, 09 Jun. 2023
Oral presentation, 05 Jun. 2023, 09 Jun. 2023
Invited oral presentation, 06 Feb. 2023, 06 Feb. 2023
山縣淳子; 比連崎悟, 日本物理学会第77回年次大会, K 中間子ヘリウム原子の高精度測定から考察する K 中間子-原子核 相互作用, Oral presentation, 17 Mar. 2022, 15 Mar. 2022, 19 Mar. 2022
Satoru Hirenzaki, Reimei workshop 'Hadrons in dense matter at J-PARC', Recent topics on pi, K, eta(958) mesonic bound states, Invited oral presentation, 23 Feb. 2022, 21 Feb. 2022, 23 Feb. 2022
池野なつ美; 比連崎悟, 日本物理学会2021年秋季大会(素核宇分野), 深く束縛されたπ中間子原子観測量の πN σ項 依存性, Oral presentation, 16 Sep. 2021, 14 Sep. 2021, 17 Sep. 2021
野瀬-外川直子; 池野なつ美; 山縣淳子; 比連崎悟, 日本物理学会2021年秋季大会(素核宇分野), 中間子原子および中間子原子核における残留相互作用効果, Oral presentation, 16 Sep. 2021, 14 Sep. 2021, 17 Sep. 2021
Satoru Hirenzaki, APCTP(Asia Pacific Center for Theoretical Physics) Focus Program in Nuclear Physics 2021 Part I: Hadron properties in a nuclear medium from the quark and gluon degrees of freedom, Structure and formation of mesic atoms and mesic nuclei, Invited oral presentation, 15 Jul. 2021, 14 Jul. 2021, 16 Jul. 2021
Satoru Hirenzaki, Workshop series on Nuclear Physics-2, Hadrons in nuclear matter, Structure and Formation of Meson-Nucleus bound systems, Invited oral presentation, 13 Dec. 2019, 13 Dec. 2019, 13 Dec. 2019
Satoru Hirenzaki, Workshop on Chiral and heavy quark symmetries in quark-hadron physics, Formation of Mesonic Atoms and Mesonic Nuclei, Invited oral presentation, 25 Aug. 2019, 25 Aug. 2019, 25 Aug. 2019
Satoru Hirenzaki, 3rd Jagiellonian Symposium on Fundamental and Applied Subatomic Physics, Recent topics on Mesic atoms and Mesic nuclei, Invited oral presentation, 24 Jun. 2019, 23 Jun. 2019, 30 Jun. 2019
Satoru Hirenzaki, International Workshop on “Hadron structure and interaction in dense matter”, Meson Properties at Finite Density from Meson-Nucleus Systems, Invited oral presentation, 11 Nov. 2018, 11 Nov. 2018, 12 Nov. 2018
S. Hirenzaki, J-PARCエネルギー領域重イオン衝突のダイナミクス, Meson Properties at Finite Density from Meson-Nucleus Systems, Invited oral presentation, 11 Sep. 2017, 11 Sep. 2017, 11 Sep. 2017
S. Hirenzaki, 2nd Jagiellonian Symposium On Fundamental and Applied Subatomic Physics, eta-nucleus interaction from the d+d reaction around the eta production threshold, Invited oral presentation, 06 Jun. 2017, 04 Jun. 2017, 11 Jun. 2017
Satoru Hirenzaki, 日本物理学会第72回年次大会, η-nucleus interaction from the d + d reaction around the η production threshold, Oral presentation, 20 Mar. 2017, 17 Mar. 2017, 20 Mar. 2017
Satoru Hirenzaki, KEK theory center workshop on Hadron and Nuclear Physics in 2017 (KEK-HN-2017), Meson properties from mesic atoms and mesic nuclei, Invited oral presentation, 09 Jan. 2017, 07 Jan. 2017, 10 Jan. 2017
S. Hirenzaki, 小規模研究会「中間子原子核の最前線」, 中間子原子核研究の意義と目的, Oral presentation, 20 Dec. 2016
S. Hirenzaki, 東北大ELPH拠点研究会「マルチフレーバーで探るエキゾチックハドロンとハドロン多体系の物理」, d + d 反応による eta 中間子原子核生成 ー eta-原子核相互作用の導出に関して, Oral presentation, 02 Dec. 2016
比連崎悟, 討論型研究会「中間子と核子・原子核の相互作用」, d + d 反応によるeta 中間子原子核生成 ー いかにeta-原子核相互作用の情報を引き出すか?ー, Oral presentation, 13 Oct. 2016
比連崎悟, ELPH FOREST ワークショップ(ELPH セミナー), 中間子--原子核系で探る物理と最近の話題, Invited oral presentation, 24 May 2016
S. Hirenzaki, International workshop on Progress on J-PARC hadron physics in 2016, Meson Properties at finite density from Meson Nucleus Systems, Invited oral presentation, 04 Mar. 2016, 02 Mar. 2016, 04 Mar. 2016
S. Hirenzaki, 1st Hadron Spanish Network Days and Spanish-Japanese JSPS Workshop, Salon de Actos del Parc Cientific, IFIC (Institute de Fisica Corpuscular, Meson Properties at finite density from meson-nucleus systems, Oral presentation, 15 Jun. 2015
S. HIrenzaki, The Jagiellonian Symposium on Fundamental and Applied Subatomic Physics, Collegium Maius of the Jagiellonian University in Krakow, June 7th - 13th, 2015., Meson Properties at Finite Density from Meson Nucleus Systems, Invited oral presentation, 10 Jun. 2015
S. Hirenzaki, Fourth Joint Meeting of the Nuclear Physics Dvision of the American Physical Society and The Physical Society of Japan (HAWAII2014), October 7-11, 2014, Hilton Waikoloa Village, Hawaii Island, Hawaii, USA, Formation of Mesonic Atoms and Mesonic Nuclei, Oral presentation, 09 Oct. 2014
S. Hirenzaki, II International Symposium on Applied Nuclear Physics and Innovative Technologies, September 24th - 27th 2014, Collegium Maius, Jagiellonian University, Kraków, Poland., Exotic Atoms and Exotic Nuclei, Invited oral presentation, 26 Sep. 2014
S. Hirenzaki, Hadron Spectroscopy Cafe =Pionic atom experiments and chiral symmetry restoration in nuclei=, Theoretical study of Deeply Bound Pionic Atoms, 06 Feb. 2023, 06 Feb. 2023, 06 Feb. 2023
Satoru Hirenzaki, International workshop on J-PARC hadron physics 2023 (J-PARC Hadron2023), The pion-nucleon sigma term by pionic atoms and the kaon-nucleus interaction by kaonic He atoms, 12 Sep. 2023, 12 Sep. 2023, 15 Sep. 2023
Satoru Hirenzaki, The 20th International Conference on Hadron Spectroscopy and Structure (HADRON 2023), Pion-nucleon σ term by the pion deep bound states, 08 Jun. 2023, 05 Jun. 2023, 09 Jun. 2023
Satoru Hirenzaki, The 20th International Conference on Hadron Spectroscopy and Structure (HADRON 2023), Kaonic atom optical potential by the high precision data of Kaonic He atoms, 06 Jun. 2023, 05 Jun. 2023, 09 Jun. 2023