Update analysis of tau- --> V P- nu(tau): Theory and Experiment

Details Update analysis of tau- --> V P- nu(tau): Theory and Experiment Update analysis of tau- --> V P- nu(tau): Theory and Experiment

2008-08-12

arxiv.org/abs/0808.1645v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 5 figures, 2 tables; Talk given in the Conference of QCD 08, Montpellier, France, 7-12 Jul 2008

Scientific paper

10.1016/j.nuclphysbps.2008.12.04

Within the resonance chiral theory, we have studied the process of a tau lepton decaying into a vector resonance plus a pseudo-Goldstone meson and a tau neutrino. Two kinds of processes are discussed: (a) tau- --> (rho pi-,omega pi-, phi pi-, K*0 K-) nu(tau), belonging to Delta S=0 processes and (b) Delta S = 1 processes, such as tau- --> (rho K-, omega K-,phi K-,\bar{K*0} pi-) nu(tau). To fit the tau- --> omega pi- nu(tau) spectral function and the decay distribution of tau- --> omega K- nu(tau) to get unknown resonance couplings, we then make a prediction for branching ratios of all channels.

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