Photon polarisation in b->s gamma using B->K*e+e- at LHCb
Michelle Nicol (for the LHCb Collaboration)
TL;DR
This paper discusses a method to measure photon polarization in b->s gamma decays using B->K*e+e- angular analysis at LHCb, aiming to detect potential new physics effects.
Contribution
It introduces a novel angular analysis technique for photon polarization measurement in B decays at LHCb, including the current status of related muon channel analysis.
Findings
Method for photon polarization measurement outlined
Status of B->K*mu+mu- analysis reported
Potential sensitivity to new physics effects
Abstract
The b->s gamma transition proceeds through flavour changing neutral currents, and thus is particularly sensitive to the effects of new physics. An overview of the method to measure the photon polarisation at the LHCb experiment via an angular analysis of B->K*e+e- at low q^2 is presented. The status of the B->K*mu+mu- analysis with 309 pb-1 of pp collisions at sqrt(s)=7 TeV at LHCb is also given.
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