Aspects of phi-meson production in proton-proton collisions

Details Aspects of phi-meson production in proton-proton collisions Aspects of phi-meson production in proton-proton collisions

2005-12-14

arxiv.org/abs/nucl-th/0512055v1

Eur.Phys.J. A27 (2006) 263-268

Physics

Nuclear Physics

Nuclear Theory

6 pages, 4 figures

Scientific paper

10.1140/epja/i2005-10269-9

We analyze near-threshold cross section data for the reaction pp->pp phi published by the DISTO collaboration and recent, still preliminary results presented by the ANKE Collaboration. We formulate a procedure to evaluate the OZI ratio at low energies by taking into account corrections from the kinematics and the final-state interaction. Combining the new data with the few measurements available at higher energies we give a limit for the OZI rule violation and estimate the possible contribution from a five-quark baryonic resonance coupled to the phi-p system.

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