The Kaon-Photoproduction Of Nucleons In The Quark Model

Details The Kaon-Photoproduction Of Nucleons In The Quark Model The Kaon-Photoproduction Of Nucleons In The Quark Model

1995-02-02

arxiv.org/abs/hep-ph/9502218v1

Phys.Rev.C52:1648-1661,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, 9 postscript figures can be obtained from the author.

Scientific paper

10.1103/PhysRevC.52.1648

In this paper, we develop a general framework to study the meson-photoproductions of nucleons in the chiral quark model. The S and U channel resonance contributions are expressed in terms of the Chew-Goldberger-Low-Nambu (CGLN) amplitudes. The kaon-photoproduction processes, $\gamma p\to K^+ \Lambda$, $\gamma p\to K^+ \Sigma^0$, and $\gamma p\to K^0\Sigma^+$, are calculated. The initial results show that the quark model provides a much improved description of the reaction mechanism for the kaon-photoproductions of the nucleon with less parameters than the traditional phenomenological approaches.

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