Nucleon and Delta resonances in K Sigma(1385) photoproduction from nucleons
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The reaction mechanisms for K Sigma(1385) photoproduction from the reaction gamma p -> K(+)Sigma(0)(1385) in the resonance energy region are investigated in a hadronic model. Both contributions from N and Delta resonances of masses around 2 GeV as given in the Review of Particle Data Group and by the quark model predictions are included. The Lagrangians for describing the decays of these resonances into K Sigma(1385) are constructed with the coupling constants determined from the decay amplitudes predicted by a quark model. Comparing the resulting total cross section for the reaction gamma p -> K(+)Sigma(0)(1385) with the preliminary data from the Thomas Jefferson National Accelerator Facility, we find that the most important contributions are from the two-star-rated resonances Delta(2000)F(35),Delta(1940)D(33), and N(2080)D(13), as well as the missing resonance N3/2(-)(2095) predicted in the quark model. Predictions on the differential cross section and photon asymmetry in this reaction are also given.
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DepartmentPhysics and Astronomy
- Faculty Publications