Photo- and electroproduction of the K0Lambda near threshold and effects of the K0 electromagnetic form factor

Abstract

By extending our previous isobar model to the K0Lambda isospin channel we investigate the properties of the K0Lambda photo- and electroproduction at energies near threshold. It is found that the pseudovector (PV) coupling yields significantly larger cross section. Variation of the K1 coupling constants has significant effect only on the PV model. The electromagnetic form factor of the neutral kaon K0 is found to have a sizable effect on the longitudinal cross section of the K0Lambda electroproduction near the threshold.

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