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Hamburg 2016 – scientific programme

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T: Fachverband Teilchenphysik

T 32: Flavourphysik (Theorie)

T 32.3: Talk

Monday, February 29, 2016, 17:15–17:30, VMP8 SR 106

Impact of leptonic tau decays on the distribution of BDµν — •Marzia Bordone, Gino Isidori, and Danny van Dyk — Physik-Institut, Universität Zürich, Winterthurer Strasse 190, 8057 Zürich, Schweiz

We present results for the decay rate of BDτ(→ µ νν)ν, which is a sizeable background to BDµ ν decays. In particular, we calculate analytically the differential decay rate with respect to all seven kinematic variables. We consider the impact of this decay on the distributions of BDµν in either the muon helicity angle or the muon energy in the B rest frame. Our numerical results are obtained from Monte Carlo pseudo events. Finally, we provide necessary information for cross checks of the experimental analyses.

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