Recent progress and future prospects of hyperon nucleon scattering experiment
- Miwa, Koji
- Nanamura, Takuya
- Sakao, Tamao
- Ahn, J.K.
- Akazawa, Y.
- Aramaki, T.
- Ashikaga, S.
- Callier, S.
- Chiga, N.
- 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.
- Ikedai, 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.
- Naruki, M.
- Ozawa, S.
- Raux, L.
- Rogers, T.G.
- Sakaguchi, A.
- Sako, H.
- Sato, S.
- Shiozaki, T.
- Shirotori, K.
- Suzuki, K.N.
- Suzuki, S.
- Tabata, M.
- Taille, C. D. L.
- Takahashi, H.
- Takahashi, T.
- Takahashi, T.N.
- Tamura, H.
- Tanaka, M.
- Tanida, K.
- Tsamalaidze, Z.
- Ukai, M.
- Umetsu, H.
- Wada, S.
- Yamamoto, T.O.
- Yoshida, J.
- Yoshimura, K.
DOIAbstract
International audienceA new hyperon-proton scattering experiment, dubbed J-PARC E40, was performed to measure differential cross sections of the Σ+p, Σ−p elastic scatterings and the Σ−p → Λn scattering by identifying a lot of Σ particles in the momentum ranging from 0.4 to 0.8 GeV/c produced by the π±p → K+Σ± reactions. We successfully measured the differential cross sections of these three channels with a drastically improved accuracy with a fine angular step. These new data will become important experimental constraints to improve the theories of the two-body baryon-baryon interactions. Following this success, we proposed a new experiment to measure the differential cross sections and spin observables by using a highly polarized Λ beam fo...
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