OZI violation in low energy omega and phi production in the pp system in a quark-gluon model

Details OZI violation in low energy omega and phi production in the pp system in a quark-gluon model OZI violation in low energy omega and phi production in the pp system in a quark-gluon model

2006-04-24

arxiv.org/abs/nucl-th/0604064v1

Physics

Nuclear Physics

Nuclear Theory

13 pages, 5 figures

Scientific paper

We investigate OZI violation in near-threshold omega and phi production in the pp system. Assuming ideal omega/phi mixing (corrections are estimated), the energy dependence of the ratio R(omega/phi) is analyzed in a perturbative quark-gluon exchange model up to the third other in the strong coupling constant alpha(s) with the proton represented as a quark - scalar diquark system. We give a very natural explanation of the violation of the OZI rule in omega/phi production and its energy dependence near the production thresholds.

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