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Observation of Coulomb-Assisted Nuclear Bound State of Ξ
Hayakawa, S H; Agari, K; Ahn, J K; Akaishi, T; Akazawa, Y; Ashikaga, S; Bassalleck, B; Bleser, S; Ekawa, H; Endo, Y; Fujikawa, Y; Fujioka, N; Fujita, M; Goto, R; Han, Y; Hasegawa, S; Hashimoto, T; Hayakawa, T; Hayata, E; Hicks, K; Hirose, E; Hirose, M; Honda, R; Hoshino, K; Hoshino, S; Hosomi, K; Hwang, S H; Ichikawa, Y; Ichikawa, M; Imai, K; Inaba, K; Ishikawa, Y; Ito, H; Ito, K; Jung, W S; Kanatsuki, S; Kanauchi, H; Kasagi, A; Kawai, T; Kim, M H; Kim, S H; Kinbara, S; Kiuchi, R; Kobayashi, H; Kobayashi, K; Koike, T; Koshikawa, A; Lee, J Y; Ma, T L; Matsumoto, S Y.
Afiliación
  • Hayakawa SH; Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan.
  • Agari K; Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan.
  • Ahn JK; Department of Physics, Korea University, Seoul 02841, Korea.
  • Akaishi T; Department of Physics, Osaka University, Toyonaka 560-0043, Japan.
  • Akazawa Y; Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan.
  • Ashikaga S; Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan.
  • Bassalleck B; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Bleser S; Department of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico 87131, USA.
  • Ekawa H; Helmholtz Institute Mainz, 55099 Mainz, Germany.
  • Endo Y; High Energy Nuclear Physics Laboratory, RIKEN, Wako 351-0198, Japan.
  • Fujikawa Y; Faculty of Education, Gifu University, Gifu 501-1193, Japan.
  • Fujioka N; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Fujita M; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Goto R; Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan.
  • Han Y; Faculty of Education, Gifu University, Gifu 501-1193, Japan.
  • Hasegawa S; Institute of Nuclear Energy Safety Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China.
  • Hashimoto T; Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan.
  • Hayakawa T; Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan.
  • Hayata E; Department of Physics, Osaka University, Toyonaka 560-0043, Japan.
  • Hicks K; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Hirose E; Department of Physics & Astronomy, Ohio University, Athens, Ohio 45701, USA.
  • Hirose M; Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan.
  • Honda R; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Hoshino K; Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan.
  • Hoshino S; Faculty of Education, Gifu University, Gifu 501-1193, Japan.
  • Hosomi K; Department of Physics, Osaka University, Toyonaka 560-0043, Japan.
  • Hwang SH; Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan.
  • Ichikawa Y; Korea Research Institute of Standards and Science, Daejeon 34113, Korea.
  • Ichikawa M; Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan.
  • Imai K; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Inaba K; Meson Science Laboratory, RIKEN, Wako 351-0198, Japan.
  • Ishikawa Y; Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan.
  • Ito H; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Ito K; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Jung WS; Faculty of Education, Gifu University, Gifu 501-1193, Japan.
  • Kanatsuki S; Department of Physics, Nagoya University, Nagoya 464-8601, Japan.
  • Kanauchi H; Department of Physics, Korea University, Seoul 02841, Korea.
  • Kasagi A; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Kawai T; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Kim MH; High Energy Nuclear Physics Laboratory, RIKEN, Wako 351-0198, Japan.
  • Kim SH; Graduate School of Engineering, Gifu University, Gifu 501-1193, Japan.
  • Kinbara S; Center for Advanced Photonics, RIKEN, Wako 351-0198, Japan.
  • Kiuchi R; Department of Physics, Korea University, Seoul 02841, Korea.
  • Kobayashi H; Department of Physics, Korea University, Seoul 02841, Korea.
  • Kobayashi K; Graduate School of Engineering, Gifu University, Gifu 501-1193, Japan.
  • Koike T; Institute of High Energy Physics, Beijing 100049, China.
  • Koshikawa A; Faculty of Education, Gifu University, Gifu 501-1193, Japan.
  • Lee JY; Department of Physics, Osaka University, Toyonaka 560-0043, Japan.
  • Ma TL; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Matsumoto SY; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
Phys Rev Lett ; 126(6): 062501, 2021 Feb 12.
Article en En | MEDLINE | ID: mdl-33635678
In an emulsion-counter hybrid experiment performed at J-PARC, a Ξ^{-} absorption event was observed which decayed into twin single-Λ hypernuclei. Kinematic calculations enabled a unique identification of the reaction process as Ξ^{-}+^{14}N→_{Λ}^{10}Be+_{Λ}^{5}He. For the binding energy of the Ξ^{-} hyperon in the Ξ^{-}-^{14}N system a value of 1.27±0.21 MeV was deduced. The energy level of Ξ^{-} is likely a nuclear 1p state which indicates a weak ΞN-ΛΛ coupling.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2021 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2021 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos