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Prog. Theor. Phys. Supplement No.137 (2000) pp. 83-120

[ Full Text PDF : FREE ACCESS (382K) ]

Spin-Orbit Interactions between Two Baryons

Sachiko Takeuchi, Osamu Morimatsu,* Yoshihiro Tani** and Makoto Oka**

Japan College of Social Work, Kiyose 204-8555, Japan
*High Energy Accelerator Research Organization Tanashi Branch (KEK-Tanashi) Tanashi 188-8501, Japan
**Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan

(Received February 25, 2000)

Abstract:

The spin-orbit interactions in the quark cluster models are reviewed in this article. The observed spin-orbit force between two nucleons is strong, while that in the excited baryons or in the ΛN interaction is small. We try to sort out whether the quark cluster model can produce a spin-orbit force which explains these features simultaneously. Various works which include the spin-orbit force with different origins such as gluons, mesons, or coupling to other channels are compared to each other. The roles of the symmetric and anti-symmetric spin-orbit forces in the NN scattering phase shifts and in the YN low-energy cross sections and the phase shifts are investigated.


URL : http://ptp.ipap.jp/link?PTPS/137/83/
DOI : 10.1143/PTPS.137.83

[ Full Text PDF : FREE ACCESS (382K) ] Citation:

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Citing Article(s) :

  1. Progress of Theoretical Physics Supplement No.137 (2000) pp. 1-20 :
    Quark Cluster Model of Baryon-Baryon Interaction
    Makoto Oka, Kiyotaka Shimizu and Koichi Yazaki
  2. Progress of Theoretical Physics Supplement No.156 (2004) pp. 72-83 :
    Quarks, Gluons and Weak Bosons in Hypernuclei
    Makoto Oka

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