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Study of tau- --> V P- nu(tau) in the framework of resonance chiral theory
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In this paper we study two kinds of tau decays: (a) tau- --> (rho pi-,omega pi-, phi pi-, K*0 K-) nu(tau), which belong to Delta S=0 processes and (b) Delta S = 1 processes, like tau- --> (rho K-, omega K-, phi K-, \bar{K*0} pi-) nu(tau), in the framework of resonance chiral theory. We fit the tau- --> omega pi- nu(tau) spectral function and the invariant mass distribution of omega K in the process of tau- --> omega K- nu(tau) to get the values of unknown resonance couplings. Then we make a prediction for branching ratios of all channels.
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Cited by 1 Pith paper
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$\tau^- \to \omega \pi^- \nu_\tau$ decay in R$\chi$T with tensor sources
The forward-backward asymmetry in τ⁻ → ω π⁻ ν_τ decay provides a sensitive probe for non-standard tensor interactions in resonance chiral theory.
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