Rho - omega mixing in chiral perturbation theory

Details Rho - omega mixing in chiral perturbation theory Rho - omega mixing in chiral perturbation theory

1995-04-06

arxiv.org/abs/hep-ph/9504238v1

Phys.Lett. B355 (1995) 308-312

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 12 pages. The paper is also available via anonymous ftp at (129.13.102.139) ftp://ttpux2.physik.uni-karlsruhe.de/ttp95-

Scientific paper

10.1016/0370-2693(95)00749-B

In order to calculate the rho - omega mixing we extend the chiral couplings
of the low-lying vector mesons in chiral perturbation theory to a lagrangian
that contains two vector fields. We determine the momentum dependence of the
two-point function and recover an earlier result for the on-shell expression.
We discuss the off-shell behaviour of the mixing.

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