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Tomida, N; Muramatsu, N; Niiyama, M; Ahn, J K; Chang, W C; Chen, J Y; Chu, M L; Daté, S; Gogami, T; Goto, H; Hamano, H; Hashimoto, T; He, Q H; Hicks, K; Hiraiwa, T; Honda, Y; Hotta, T; Ikuno, H; Inoue, Y; Ishikawa, T; Jaegle, I; Jo, J M; Kasamatsu, Y; Katsuragawa, H; Kido, S; Kon, Y; Maruyama, T; Masumoto, S; Matsumura, Y; Miyabe, M; Mizutani, K; Nagahiro, H; Nakamura, T; Nakano, T; Nam, T; Ngan, T N T; Nozawa, Y; Ohashi, Y; Ohnishi, H; Ohta, T; Ozawa, K; Rangacharyulu, C; Ryu, S Y; Sada, Y; Sasagawa, M; Shibukawa, T; Shimizu, H; Shirai, R; Shiraishi, K; Strokovsky, E A.
Affiliation
  • Tomida N; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Muramatsu N; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Niiyama M; Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan.
  • Ahn JK; Department of Physics, Kyoto Sangyo University, Kyoto 603-8555, Japan.
  • Chang WC; Department of Physics, Korea University, Seoul 02841, Republic of Korea.
  • Chen JY; Institute of Physics, Academia Sinica, Taipei 11529, Taiwan.
  • Chu ML; National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan.
  • Daté S; Institute of Physics, Academia Sinica, Taipei 11529, Taiwan.
  • Gogami T; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Goto H; Japan Synchrotron Radiation Research Institute (SPring-8), Sayo, Hyogo 679-5198, Japan.
  • Hamano H; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Hashimoto T; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • He QH; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Hicks K; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Hiraiwa T; Department of Nuclear Science & Engineering, College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.
  • Honda Y; Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA.
  • Hotta T; RIKEN SPring-8 Center, Sayo, Hyogo 679-5148, Japan.
  • Ikuno H; Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan.
  • Inoue Y; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Ishikawa T; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Jaegle I; Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan.
  • Jo JM; Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan.
  • Kasamatsu Y; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
  • Katsuragawa H; Department of Physics, Korea University, Seoul 02841, Republic of Korea.
  • Kido S; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Kon Y; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Maruyama T; Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan.
  • Masumoto S; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Matsumura Y; Institute for Radiation Sciences, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Miyabe M; College of Bioresource Sciences, Nihon University, Fujisawa, Kanagawa 252-8510, Japan.
  • Mizutani K; Department of Physics, University of Tokyo, Tokyo 113-0033, Japan.
  • Nagahiro H; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Nakamura T; Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan.
  • Nakano T; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
  • Nam T; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Ngan TNT; Department of Physics, Nara Women's University, Nara 630-8506, Japan.
  • Nozawa Y; Department of Education, Gifu University, Gifu 501-1193, Japan.
  • Ohashi Y; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Ohnishi H; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Ohta T; Nuclear Physics Department, University of Science, Vietnam National University, Ho Chi Minh City 72711, Vietnam.
  • Ozawa K; Department of Radiology, The University of Tokyo Hospital, Tokyo 113-8655, Japan.
  • Rangacharyulu C; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Ryu SY; Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan.
  • Sada Y; Department of Radiology, The University of Tokyo Hospital, Tokyo 113-8655, Japan.
  • Sasagawa M; Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan.
  • Shibukawa T; Department of Physics and Engineering Physics, University of Saskatchewan, Saskatoon SK S7N 5E2, Canada.
  • Shimizu H; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Shirai R; Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan.
  • Shiraishi K; Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan.
  • Strokovsky EA; Department of Physics, University of Tokyo, Tokyo 113-0033, Japan.
Phys Rev Lett ; 124(20): 202501, 2020 May 22.
Article in En | MEDLINE | ID: mdl-32501086
ABSTRACT
We measured missing mass spectrum of the ^{12}C(γ,p) reaction for the first time in coincidence with potential decay products from η^{'} bound nuclei. We tagged an (η+p) pair associated with the η^{'}N→ηN process in a nucleus. After applying kinematical selections to reduce backgrounds, no signal events were observed in the bound-state region. An upper limit of the signal cross section in the opening angle cosθ_{lab}^{ηp}<-0.9 was obtained to be 2.2 nb/sr at the 90% confidence level. It is compared with theoretical cross sections, whose normalization ambiguity is suppressed by measuring a quasifree η^{'} production rate. Our results indicate a small branching fraction of the η^{'}N→ηN process and/or a shallow η^{'}-nucleus potential.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2020 Document type: Article Affiliation country: Japón
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2020 Document type: Article Affiliation country: Japón