Sigma(+)P Elastic Scattering Cross Sections In The Region Of 350 <= P Sigma+ <= 750 Mev/C With A Scintillating Fiber Active Target

Jk Ahn, H Akikawa, J Arvieux,B Bassalleck,Ms Chung,H En'Yo, T Fukuda,H Funahashi,Sv Golovkin, Am Gorin,Y Goto, M Hanabata, T Hayakawa,A Ichikawa,M Ieiri, K Imai, M Ishino, H Kanda,Yd Kim,Y Kondo, En Kozarenko,Ie Kreslo,Jm Lee, A Masaike,S Mihara, K Nakai,K Nakazawa,K Ozawa, A Sato,Hd Sato,Ks Sim,T Tabaru,F Takeutchi,P Tlusty,H Torii, K Yamamoto,S Yokkaichi,M Yoshida

NUCLEAR PHYSICS A（2005）

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摘要

A hyperon-nucleon scattering experiment, KEK-PS E289, was carried out at the K2 beam line in KEK. We adopted a scintillating fiber active target as a hydrogen target for hyperon production and subsequent hyperon-nucleon scattering. We collected more data than in a previous experiment, KEK-PS E251. In this paper, the differential cross sections for Sigma(+)p elastic scattering in the incident momentum range from 350 to 750 MeV/c are presented and compared with theoretical predictions from the Nijmegen group (Nijmegen Soft Core 97) and the Kyoto-Niigata group (RGM-FSS and fss2). (c) 2005 Elsevier B.V. All rights reserved.

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关键词

Sigma(+)p elastic scattering, hyperon-nucleon interaction, differential cross sections, scintillating fiber active target

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