Mesonic Width Effects on the Momentum Dependence of the Rho-Omega Mixing Matrix Element

Details Mesonic Width Effects on the Momentum Dependence of the Rho-Omega Mixing Matrix Element Mesonic Width Effects on the Momentum Dependence of the Rho-Omega Mixing Matrix Element

1995-04-25

arxiv.org/abs/nucl-th/9504026v4

Phys.Lett. B367 (1996) 45-49

Physics

Nuclear Physics

Nuclear Theory

9 pages. An additional figure illustrating the effect of a momentum dependent rho-meson width is included. This and related pa

Scientific paper

10.1016/0370-2693(95)01447-0

It is shown, in a model independent way, that the large difference in rho and omega widths gives rise to a new source of momentum dependence for the rho-omega mixing matrix element. The q^2 dependence arising due to the meson widths leads to a significant alteration of the result obtained in the zero-width approximation usually discussed in the literature. The origin of this strong momentum dependence lies in the difference between the rho and omega meson widths.

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