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Prog. Theor. Phys. Vol. 99 No. 6 (1998) pp. 1001-1015

One and Two Baryon Systems in the Chiral Constituent Quark Model

Choki Nakamoto^*) and Hiroshi Toki

Research Center for Nuclear Physics, Osaka University
Ibaraki 567-0047, Japan

(Received February 27, 1998)

Abstract:

We investigate the nucleon-nucleon interaction using the qq interaction based on the Goldstone-boson exchange mechanism in order to obtain a unified understanding of one and two baryon systems. We find that the chiral constituent quark model, which provides a quantitative explanation of the light excited baryon spectra, has too strong NN tensor force, generated from the π-exchange effect, and this model does not generate the necessary medium-range attraction of nuclear force. The present framework needs additional mechanisms to give a positive contribution to the Δ-N mass splitting and the short-range repulsive effect.

URL : http://ptp.ipap.jp/link?PTP/99/1001/
DOI : 10.1143/PTP.99.1001

^*)Present address: Department of General Education, Suzuka College of Technology, Suzuka 510-0294, Japan.

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Citing Article(s) :

1. Progress of Theoretical Physics Supplement No.137 (2000) pp. 121-145 :

   H Dibaryon

   Tsutomu Sakai, Kiyotaka Shimizu and Koichi Yazaki

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