Sensitivities of one-prong tau branching fractions to tau neutrino mass, mixing, and anomalous charged current couplings

Details Sensitivities of one-prong tau branching fractions to tau neutrino mass, mixing, and anomalous charged current couplings Sensitivities of one-prong tau branching fractions to tau neutrino mass, mixing, and anomalous charged current couplings

1999-03-22

arxiv.org/abs/hep-ph/9903430v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Invited talk at the Tau-Charm Workshop, 6-9 March 1999, SLAC, USA

Scientific paper

We analyse the sensitivities of exclusive one-prong tau branching fractions to: the tau neutrino mass; its mixing with a fourth generation neutrino; the weak charged current magnetic and electric dipole moments of the tau; and the Michel parameter $\eta$. Quantitative constraints are derived from current experimental data and the future constraints derivable from tau-charm factory measurements are estimated. The anomalous coupling constraints are used to constrain the tau compositeness scale and the allowed parameter space for Higgs doublet models.

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