The first observation of ${\tau }^{\pm }\to \varphi K^{\pm }\nu$ decay

Abstract

We present the first measurement of tau-decays to hadronic final states with a $\varphi$-meson. This is based on 401.4 fb${}^{-1}$ of data accumulated at the Belle experiment. The branching ratio obtained is $B({\tau }^{\pm }\to \varphi K^{\pm }\nu )=(4.06\pm 0.25\pm 0.26)\times 10^{-5}$.

10 pages, 5 figures, ICHEP2006 contribution paper

References in corpus (2)

• Big-Bang nucleosynthesis (Particle Data Group mini-review)
• The Cosmological Parameters 2006

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