S-P wave interference in the K+K- photoproduction on hydrogen

Details S-P wave interference in the K+K- photoproduction on hydrogen S-P wave interference in the K+K- photoproduction on hydrogen

2005-09-23

arxiv.org/abs/hep-ph/0509253v1

Acta Phys.Polon. B36 (2005) 3889-3896

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 8 eps figures, needs appolb.cls, talk given by L. Bibrzycki at Cracow School of Theoretical Physics, XLV Course, Zako

Scientific paper

We have studied the partial wave interference effects to obtain a new information about the contribution of the S-wave to the cross section of the K+K- photoproduction on hydrogen. The K+K- photoproduction channel for the effective masses around 1 GeV is dominated by the phi(1020) resonance with only a small fraction of events coming from decays of scalar resonances f0(980) and a0(980). However, a careful analysis of angular distributions of the outgoing kaons shows that the S-wave adds an asymmetry to the angular distribution of kaons. A fairly precise estimation of the K+K- photoproduction cross section in the S-wave has been obtained.

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