Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2001-03-27
Eur.Phys.J.C21:1-21,2001
Physics
High Energy Physics
High Energy Physics - Experiment
35 pages, 10 figures, Submitted to Submitted to Eur. Phys. J.C
Scientific paper
10.1007/s100520100714
Measurements of the tau lepton polarization and forward-backward polarization asymmetry near the Z resonance using the OPAL detector are described. The measurements are based on analyses of tau -> e nu_e nu_tau, tau -> mu nu_mu nu_tau, tau -> pi nu_tau, tau -> rho nu_tau and tau -> a1 nu_tau decays from a sample of 144810 e+e- -> tau+ tau- candidates corresponding to an integrated luminosity of 151 pb-1. Assuming that the tau lepton decays according to V-A theory, we measure the average tau polarization near Ecm = MZ to be
Abbiendi Giovanni
collaboration The OPAL
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