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Precise Measurement of Differential Cross Sections of the Σ
Miwa, K; Ahn, J K; Akazawa, Y; Aramaki, T; Ashikaga, S; Callier, S; Chiga, N; Choi, S W; Ekawa, H; Evtoukhovitch, P; Fujioka, N; Fujita, M; Gogami, T; Harada, T; Hasegawa, S; Hayakawa, S H; Honda, R; Hoshino, S; Hosomi, K; Ichikawa, M; Ichikawa, Y; Ieiri, M; Ikeda, M; Imai, K; Ishikawa, Y; Ishimoto, S; Jung, W S; Kajikawa, S; Kanauchi, H; Kanda, H; Kitaoka, T; Kang, B M; Kawai, H; Kim, S H; Kobayashi, K; Koike, T; Matsuda, K; Matsumoto, Y; Nagao, S; Nagatomi, R; Nakada, Y; Nakagawa, M; Nakamura, I; Nanamura, T; Naruki, M; Ozawa, S; Raux, L; Rogers, T G; Sakaguchi, A; Sakao, T.
Affiliation
  • Miwa K; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Ahn JK; Department of Physics, Korea University, Seoul 02841, Korea.
  • Akazawa Y; Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan.
  • Aramaki T; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Ashikaga S; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Callier S; OMEGA Ecole Polytechnique-CNRS/IN2P3, 3 rue Michel-Ange, 75794 Paris 16, France.
  • Chiga N; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Choi SW; Department of Physics, Korea University, Seoul 02841, Korea.
  • Ekawa H; High Energy Nuclear Physics Laboratory, RIKEN, Wako 351-0198, Japan.
  • Evtoukhovitch P; Joint Institute for Nuclear Research (JINR), Dubna, Moscow Region 141980, Russia.
  • Fujioka N; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Fujita M; Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan.
  • Gogami T; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Harada T; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Hasegawa S; Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan.
  • Hayakawa SH; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Honda R; Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan.
  • Hoshino S; Department of Physics, Osaka University, Toyonaka 560-0043, Japan.
  • Hosomi K; Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan.
  • Ichikawa M; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Ichikawa Y; Meson Science Laboratory, Cluster for Pioneering Research, RIKEN, Wako 351-0198, Japan.
  • Ieiri M; Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan.
  • Ikeda M; Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan.
  • Imai K; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Ishikawa Y; Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan.
  • Ishimoto S; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Jung WS; Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan.
  • Kajikawa S; Department of Physics, Korea University, Seoul 02841, Korea.
  • Kanauchi H; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Kanda H; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Kitaoka T; Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki 567-0047, Japan.
  • Kang BM; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Kawai H; Department of Physics, Korea University, Seoul 02841, Korea.
  • Kim SH; Department of Physics, Chiba University, Chiba 263-8522, Japan.
  • Kobayashi K; Department of Physics, Korea University, Seoul 02841, Korea.
  • Koike T; Department of Physics, Osaka University, Toyonaka 560-0043, Japan.
  • Matsuda K; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Matsumoto Y; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Nagao S; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Nagatomi R; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Nakada Y; Department of Physics, Osaka University, Toyonaka 560-0043, Japan.
  • Nakagawa M; Department of Physics, Osaka University, Toyonaka 560-0043, Japan.
  • Nakamura I; High Energy Nuclear Physics Laboratory, RIKEN, Wako 351-0198, Japan.
  • Nanamura T; Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan.
  • Naruki M; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Ozawa S; Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan.
  • Raux L; Department of Physics, Kyoto University, Kyoto 606-8502, Japan.
  • Rogers TG; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
  • Sakaguchi A; OMEGA Ecole Polytechnique-CNRS/IN2P3, 3 rue Michel-Ange, 75794 Paris 16, France.
  • Sakao T; Department of Physics, Tohoku University, Sendai 980-8578, Japan.
Phys Rev Lett ; 128(7): 072501, 2022 Feb 18.
Article in En | MEDLINE | ID: mdl-35244436
ABSTRACT
The differential cross sections of the Σ^{-}p→Λn reaction were measured accurately for the Σ^{-} momentum (p_{Σ}) ranging from 470 to 650 MeV/c at the J-PARC Hadron Experimental Facility. Precise angular information about the Σ^{-}p→Λn reaction was obtained for the first time by detecting approximately 100 reaction events at each angular step of Δcosθ=0.1. The obtained differential cross sections show a slightly forward-peaking structure in the measured momentum regions. The cross sections integrated for -0.7≤cosθ≤1.0 were obtained as 22.5±0.68 [statistical error(stat.)] ±0.65 [systematic error(syst.)] mb and 15.8±0.83(stat)±0.52(syst) mb for 470proton scattering experiments. They will play essential roles in updating the theoretical models of the baryon-baryon interactions.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2022 Document type: Article
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2022 Document type: Article