Vector Meson Mixing and Charge Symmetry Violation

Details Vector Meson Mixing and Charge Symmetry Violation Vector Meson Mixing and Charge Symmetry Violation

1995-10-27

arxiv.org/abs/hep-ph/9510425v3

Phys.Lett.B370:12-16,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, uses epsfig.sty. Publication details added to title page

Scientific paper

10.1016/0370-2693(95)01579-5

We discuss the consistency of the traditional vector meson dominance (VMD) model for photons coupling to matter, with the vanishing of vector meson-meson and meson-photon mixing self-energies at q^2=0. This vanishing of vector mixing has been demonstrated in the context of rho-omega mixing for a large class of effective theories. As a further constraint on such models, we here apply them to a study of photon-meson mixing and VMD. As an example we compare the predicted momentum dependence of one such model with a momentum-dependent version of VMD discussed by Sakurai in the 1960's. We find that it produces a result which is consistent with the traditional VMD phenomenology. We conclude that comparison with VMD phenomenology can provide a useful constraint on such models.

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