Study of ∑N interaction from the ∑p scattering experiment at J-PARC

K. Miwa; J.K. Ahn; Y. Akazawa; T. Aramaki; S. Ashikaga; S. Callier; N. Chiga; S. W. Choi; H. Ekawa; P. Evtoukhovitch; N. Fujioka; M. Fujita; T. Gogami; T. Harada; S. Hasegawa; S.H. Hayakawa; R. Honda; S. Hoshino; K. Hosomi; M. Ichikawa; Y. Ichikawa; M. Ieiri; M. Ikeda; K. Imai; Y. Ishikawa; S. Ishimoto; W. S. Jung; S. Kajikawa; H. Kanauchi; H. Kanda; B. M. Kang; H. Kawai; S. H. Kim; K. Kobayashi; T. Koike; K. Matsuda; Y. Matsumoto; S. Nagao; R. Nagatomi; Y. Nakada; M. Nakagawa; I. Nakamura; T. Nanamura; M. Naruki; S. Ozawa; L. Raux; T. Rogers; A. Sakaguchi; T. Sakao; H. Sako; S. Sato; T. Shiozaki; K. Shirotori; K. N. Suzuki; S. Suzuki; M. Tabata; C. d. L. Taille; H. Takahashi; T. Takahashi; T. N. Takahashi; H. Tamura; M. Tanaka; K. Tanida; Z. Tsamalaidze; M. Ukai; H. Umetsu; T. O. Yamamoto; J. Yoshida; K. Yoshimura

doi:10.1088/1742-6596/1643/1/012174

Journal of Physics: Conference Series

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Study of ∑N interaction from the ∑p scattering experiment at J-PARC

K. Miwa¹, J.K. Ahn², Y. Akazawa³, T. Aramaki¹, S. Ashikaga⁴, S. Callier⁵, N. Chiga¹, S. W. Choi², H. Ekawa⁶, P. Evtoukhovitch⁷, N. Fujioka¹, M. Fujita¹, T. Gogami⁴, T. Harada⁴, S. Hasegawa⁸, S.H. Hayakawa⁸, R. Honda¹, S. Hoshino⁹, K. Hosomi⁸, M. Ichikawa⁴, Y. Ichikawa⁸, M. Ieiri³, M. Ikeda¹, K. Imai⁸, Y. Ishikawa¹, S. Ishimoto³, W. S. Jung², S. Kajikawa¹, H. Kanauchi¹, H. Kanda¹⁰, B. M. Kang², H. Kawai¹¹, S. H. Kim², K. Kobayashi⁹, T. Koike¹, K. Matsuda¹, Y. Matsumoto¹, S. Nagao¹, R. Nagatomi⁹, Y. Nakada⁹, M. Nakagawa⁶, I. Nakamura³, T. Nanamura^4,8, M. Naruki⁴, S. Ozawa¹, L. Raux⁵, T. Rogers¹, A. Sakaguchi⁹, T. Sakao¹, H. Sako⁸, S. Sato⁸, T. Shiozaki¹, K. Shirotori¹⁰, K. N. Suzuki⁴, S. Suzuki³, M. Tabata¹¹, C. d. L. Taille⁵, H. Takahashi³, T. Takahashi³, T. N. Takahashi¹⁰, H. Tamura^1,8, M. Tanaka³, K. Tanida⁸, Z. Tsamalaidze^7,12, M. Ukai³, H. Umetsu¹, T. O. Yamamoto⁸, J. Yoshida⁸ and K. Yoshimura¹³

Published under licence by IOP Publishing Ltd
Journal of Physics: Conference Series, Volume 1643, 27th International Nuclear Physics Conference (INPC2019) 29 July - 2 August 2019, Glasgow, UK Citation K. Miwa et al 2020 J. Phys.: Conf. Ser. 1643 012174 DOI 10.1088/1742-6596/1643/1/012174

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miwa9@lambda.phys.tohoku.ac.jp

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¹ Department of Physics, Tohoku University, Japan

² Department of Physics, Korea University, Korea

³ High Energy Accelerator Research Organization (KEK), Japan

⁴ Department of Physics, Kyoto University, Japan

⁵ OMEGA Ecole Polytechnique-CNRS/IN2P3, France

⁶ RIKEN, Japan

⁷ Joint Institute for Nuclear Research (JINR), Dubna, Russia

⁸ Japan Atomic Energy Agency (JAEA), Japan

⁹ Department of Physics, Osaka University, Japan

¹⁰ Research Center for Nuclear Physics (RCNP), Osaka University, Japan

¹¹ Department of Physics, Chiba University, Japan

¹² Georgian Technical University (GTU), Tbilisi, Georgia

¹³ Department of Physics, Okayama University, Japan

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Abstract

A high statistics ∑p scattering experiment has been performed at the K1.8 beamline in the J-PARC Hadron Experimental Facility. Data for momentum-tagged ∑⁻ beam running in a liquid hydrogen target were accumulated by detecting the ${\pi }_{}^{-}p\to {K}_{}^{+}{\sum }_{}^{-}$ reaction with a high intensity π⁻ beam of 20 M/spill. The number of the Σ⁻ beam was about 1.7 × 10⁷ in total. The ∑⁻ρ elastic scattering and the ∑⁻p → Λn inelastic scattering events were successfully observed with about 100 times larger statistics than that in past experiments.

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Study of ∑N interaction from the ∑p scattering experiment at J-PARC

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