First Observation of the Decay tau^- -> phi K^- nu_tau
High Energy Physics - Experiment
2008-11-26 v2
Abstract
We present the first observation of tau lepton decays to hadronic final states with a phi-meson. This analysis is based on 401 fb^-1 of data accumulated at the Belle experiment. The branching fraction obtained is B(tau- -> phi K- nu) = (4.05 +- 0.25 +- 0.26) x 10^-5.
Cite
@article{arxiv.hep-ex/0609018,
title = {First Observation of the Decay tau^- -> phi K^- nu_tau},
author = {Belle colaboration},
journal= {arXiv preprint arXiv:hep-ex/0609018},
year = {2008}
}
Comments
11 pages, 7 figures, submitted to Phys. Lett. B