ϱ0 - ω mixing in chiral perturbation theory

作者: Res Urech

DOI: 10.1016/0370-2693(95)00749-B

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摘要: Abstract In order to calculate the ϱ0 - ω mixing we extend chiral couplings of low-lying vector mesons in perturbation theory a lagrangian that contains two fields. We determine two-point function and recover an earlier result for amplitude. give update quark mass ratio R = (m s − m ) d u .

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