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arxiv: 1209.3901 · v1 · pith:RT7RVENVnew · submitted 2012-09-18 · ✦ hep-ph · nucl-th

Contribution of N* and Delta* resonances in K* Sigma(1190) photoproduction

classification ✦ hep-ph nucl-th
keywords deltachannelphotoproductionsigmaangularapproximationborncontrary
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In this talk, we report theoretical studies on the K*0 Sigma+(1190) photoproduction in the tree-level Born approximation, employing the effective Lagrangian method. We present the energy and angular dependences of the cross sections. It turns out that the N* and Delta* resonance contributions are negligible in the vicinity of the threshold. On the contrary, we observe that the kappa and K exchanges in the t channel and Delta(1232) in the s channel dominate the scattering process, reproducing the experimental data qualitatively well.

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