K0-Sigma+ Photoproduction with SAPHIR

Details K0-Sigma+ Photoproduction with SAPHIR K0-Sigma+ Photoproduction with SAPHIR

1997-11-25

arxiv.org/abs/nucl-th/9711048v2

Nucl.Phys. A639 (1998) 209-212

Physics

Nuclear Physics

Nuclear Theory

4 pages, Latex2e, 4 postscript figures. Talk given at the International Conference on Hypernuclear and Strange Particle Physic

Scientific paper

10.1016/S0375-9474(98)00275-9

Preliminary results of the analysis of the reaction p(gamma,K0)Sigma+ are presented. We show the first measurement of the differential cross section and much improved data for the total cross section than previous data. The data are compared with model predictions from different isobar and quark models that give a good description of p(gamma,K+)Lambda and p(gamma,K+)Sigma0 data in the same energy range. Results of ChPT describe the data adequately at threshold while isobar models that include hadronic form factors reproduce the data at intermediate energies.

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