Rho - omega mixing in chiral perturbation theory
Phys.Lett. B355 (1995) 308-312 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 earli...
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| Zusammenfassung: | Phys.Lett. B355 (1995) 308-312 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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| DOI: | 10.48550/arxiv.hep-ph/9504238 |