Recent progress and future prospects of hyperon nucleon scattering experiment

Recent progress and future prospects of hyperon nucleon scattering experiment
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DOI：
10.1051/epjconf/202227104001
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发表时间：
2022
期刊：
EPJ Web of Conferences
影响因子：
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通讯作者：
K. Miwa;T. Nanamura;T. Sakao;J. Ahn;Y. Akazawa;T. Aramaki;S. Ashikaga;S. Callier;N. Chiga;S. Choi;H. Ekawa;P. Evtoukhovitch;N. Fujioka;M. Fujita;T. Gogami;T. Harada;S. Hasegawa;S. Hayakawa;R. Honda;S. Hoshino;K. Hosomi;M. Ichikawa;Y. Ichikawa;M. Ieiri;M. IKEDAi;K. Imai;Y. Ishikawa;S. Ishimoto;W. Jung;S. Kajikawa;H. Kanauchi;H. Kanda;T. Kitaoka;B. Kang;H. Kawai;S. H. Kim;K. Kobayashi;T. Koike;K. Matsuda;Y. Matsumoto;S. Nagao;R. Nagatomi;Y. Nakada;M. Nakagawa;I. Nakamura;M. Naruki;S. Ozawa;L. Raux;T. Rogers;A. Sakaguchi;H. Sako;S. Sato;T. Shiozaki;K. Shirotori;K. Suzuki;S. Suzuki;M. Tabata;C. Taille;H. Takahashi;T. Takahashi;T. Takahashi;H. Tamura;M. Tanaka;K. Tanida;Z. Tsamalaidze;M. Ukai;H. Umetsu;S. Wada;Takehiro Yamamoto;J. Yoshida;K. Yoshimura
K. Miwa;T. Nanamura;T. Sakao;J. Ahn;Y. Akazawa;T. Aramaki;S. Ashikaga;S. Callier;N. Chiga;S. Choi;H. Ekawa;P. Evtoukhovitch;N. Fujioka;M. Fujita;T. Gogami;T. Harada;S. Hasegawa;S. Hayakawa;R. Honda;S. Hoshino;K. Hosomi;M. Ichikawa;Y. Ichikawa;M. Ieiri;M. IKEDAi;K. Imai;Y. Ishikawa;S. Ishimoto;W. Jung;S. Kajikawa;H. Kanauchi;H. Kanda;T. Kitaoka;B. Kang;H. Kawai;S. H. Kim;K. Kobayashi;T. Koike;K. Matsuda;Y. Matsumoto;S. Nagao;R. Nagatomi;Y. Nakada;M. Nakagawa;I. Nakamura;M. Naruki;S. Ozawa;L. Raux;T. Rogers;A. Sakaguchi;H. Sako;S. Sato;T. Shiozaki;K. Shirotori;K. Suzuki;S. Suzuki;M. Tabata;C. Taille;H. Takahashi;T. Takahashi;T. Takahashi;H. Tamura;M. Tanaka;K. Tanida;Z. Tsamalaidze;M. Ukai;H. Umetsu;S. Wada;Takehiro Yamamoto;J. Yoshida;K. Yoshimura
中科院分区：
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文献类型：
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作者：
K. Miwa;T. Nanamura;T. Sakao;J. Ahn;Y. Akazawa;T. Aramaki;S. Ashikaga;S. Callier;N. Chiga;S. Choi;H. Ekawa;P. Evtoukhovitch;N. Fujioka;M. Fujita;T. Gogami;T. Harada;S. Hasegawa;S. Hayakawa;R. Honda;S. Hoshino;K. Hosomi;M. Ichikawa;Y. Ichikawa;M. Ieiri;M. IKEDAi;K. Imai;Y. Ishikawa;S. Ishimoto;W. Jung;S. Kajikawa;H. Kanauchi;H. Kanda;T. Kitaoka;B. Kang;H. Kawai;S. H. Kim;K. Kobayashi;T. Koike;K. Matsuda;Y. Matsumoto;S. Nagao;R. Nagatomi;Y. Nakada;M. Nakagawa;I. Nakamura;M. Naruki;S. Ozawa;L. Raux;T. Rogers;A. Sakaguchi;H. Sako;S. Sato;T. Shiozaki;K. Shirotori;K. Suzuki;S. Suzuki;M. Tabata;C. Taille;H. Takahashi;T. Takahashi;T. Takahashi;H. Tamura;M. Tanaka;K. Tanida;Z. Tsamalaidze;M. Ukai;H. Umetsu;S. Wada;Takehiro Yamamoto;J. Yoshida;K. Yoshimura

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我们进行了一个新的超子-质子散射实验（J-PARC E40），通过识别大量动量范围在0.4 ~ 0.8 GeV/c的π±p → K+ π ±反应产生的π +p、π −p弹性散射和π −p → Λn散射的微分截面。我们成功地测量了这三个通道的微分截面，并以精细的角度步长大幅提高了精度。这些新数据将成为改进重子-重子相互作用理论的重要实验约束。在这一成功之后，我们提出了一个新的实验，通过使用高度偏振的Λ光束测量微分截面和自旋可观测量，以提供关于ΛN相互作用的定量信息。介绍了三个Λ p通道的实验结果，并对Λp散射实验的前景进行了展望。
A 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 for providing quantitative information on the ΛN interaction. The results of three Σp channels and future prospects of the Λp scattering experiment are described.