Zhirui Xu and Roman Zwicky, "First experimental study of the photon polarization in radiative Bs decays at LHCb"

Thursday 15 Dec 2016, 11:00 → 12:00 Europe/Zurich

4/2-011 - TH common room (CERN)

Speakers: Zhirui Xu and Roman Zwicky

The first experimental study of the photon polarization in radiative Bs decays at LHCb will be presented.
To begin with, an introduction will be given on motivations and new physics models that can affect the Standard Model prediction.
Successively, the measurement will be presented. A time-dependent analysis of the Bs -> phi gamma decay rate is conducted to determine a parameter which is related to the ratio of right- over left-handed photon polarization amplitudes in b -> s gamma transitions.

11:00 → 11:20 Theory introduction

Speaker: Roman Zwicky (University of Edinburgh)

11:20 → 11:40 Measurement description

Speaker: Zhirui Xu (Ecole Polytechnique Federale de Lausanne (CH))

CCT-Zhirui.pdf

Paper info