Mainz 2014 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 92: Flavour (Theorie/Experiment) 2
T 92.4: Vortrag
Mittwoch, 26. März 2014, 17:30–17:45, GFH 01-701
Analysis of Lepton-Flavour Violating τ-Decays with Polarization — •Sven Faller1, Björn O. Lange1, Thomas Mannel1, and Sascha Turczyk2 — 1Universität Siegen, Naturwissenschaftlich-Technische Fakultät, Theoretische Physik 1 - Elementarteilchenphysik, D-57068 Siegen, Germany — 2PRISMA Cluster of Excellence & Mainz Institut for Theoretical Physics Johannes Gutenberg University, D-55099 Mainz, Germany
Lepton number and lepton flavour violating τ → 3ℓ decays are sensitive probes for physics beyond the Standard Model. In this talk we discuss the lepton flavour violating τ → 3ℓ decay with a polarized τ in the initial state. Such a polarization can be achieved in an e+e− collider near the τ-threshold with polarized beams. We present observables that make use of the polarization of the τ and discuss their use to obtain information on possible new physics.