The Kaon-Photoproduction Of Nucleons In The Quark Model

Abstract

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.

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

References in corpus (3)

• Effective Lagrangian Approach to the Theory of Eta Photoproduction in the $N^{\ast }(1535)$ Region
• Constraints on Coupling Constants through Charged $\Sigma$ Photoproduction
• The Threshold Pion-Photoproduction of Nucleons In The Chiral Quark Model

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