SciPost Submission Page

Tau Polarimetry in B Meson Decays

by Rodrigo Alonso, Jorge Martin Camalich, Susanne Westhoff

Submission summary

As Contributors:	Susanne Westhoff
Preprint link:	scipost_201811_00014v1
Date accepted:	2019-01-15
Date submitted:	2018-11-13
Submitted by:	Westhoff, Susanne
Submitted to:	SciPost Physics Proceedings
Domain(s):	Theoretical
Subject area:	High-Energy Physics - Phenomenology

Abstract

This article summarizes recent developments in $B\to D^{(\ast)}\tau\nu$ decays. We explain how to extract the tau lepton's production properties from the kinematics of its decay products. The focus is on hadronic tau decays, which are most sensitive to the tau polarizations. We present new results for effects of new physics in tau polarization observables and quantify the observation prospects at BELLE II.