Inclusive K0SK0S resonance production in ep collisions at HERA

Details Inclusive K0SK0S resonance production in ep collisions at HERA Inclusive K0SK0S resonance production in ep collisions at HERA

2008-06-04

arxiv.org/abs/0806.0807v2

Phys.Rev.Lett.101:112003,2008

Physics

High Energy Physics

High Energy Physics - Experiment

10 pages, 3 figures, 1 table

Scientific paper

10.1103/PhysRevLett.101.112003

Inclusive K0SK0S production in ep collisions at HERA was studied with the ZEUS detector using an integrated luminosity of 0.5 fb-1. Enhancements in the mass spectrum were observed and are attributed to the production of f2(1270)/a02(1320), f'2(1525) and f0(1710). Masses and widths were obtained using a fit which takes into account theoretical predictions based on SU(3) symmetry arguments, and are consistent with the PDG values. The f0(1710) state, which has a mass consistent with a glueball candidate, was observed with a statistical significance of 5 standard deviations. However, if this state is the same as that seen in gamma gamma -> K0SK0S, it is unlikely to be a pure glueball state.

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