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https://hdl.handle.net/2440/12799
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Type: | Journal article |
Title: | Vector meson mixing and charge symmetry violation. |
Author: | O'Connell, H. Williams, A. Bracco, M. Krein, G. |
Citation: | Physics Letters B: Nuclear Physics and Particle Physics, 1996; 370(1-2):12-16 |
Publisher: | ELSEVIER |
Issue Date: | 1996 |
ISSN: | 0370-2693 1873-2445 |
Statement of Responsibility: | H.B. O’Connell, A.G. Williams, M. Bracco, G. Krein |
Abstract: | 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 q2 = 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. |
Keywords: | Vector meson Rho-omega mixing Vector meson dominance Charge symmetry |
Rights: | Copyright © 1996 Published by Elsevier B.V. |
DOI: | 10.1016/0370-2693(95)01579-5 |
Published version: | http://dx.doi.org/10.1016/0370-2693(95)01579-5 |
Appears in Collections: | Aurora harvest 2 Physics publications |
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