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T: Fachverband Teilchenphysik

T 32: Flavourphysik (Theorie)

T 32.3: Vortrag

Montag, 29. Februar 2016, 17:15–17:30, VMP8 SR 106

Impact of leptonic tau decays on the distribution of B → Dµν — •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 B→ Dτ(→ µ νν)ν, which is a sizeable background to B→ Dµ 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 B→ Dµν 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.