Angular analysis of the rare decay $B_s^0\to\phi\mu^+\mu^-$

TL;DR

This paper presents an angular analysis of the rare decay $B_s^0 o\phi\mu^+\mu^-$ using LHCb data across multiple energies, measuring angular observables in different $q^2$ regions, with results aligning with Standard Model expectations.

Contribution

First detailed angular analysis of $B_s^0 o\phi\mu^+\mu^-$ decay across multiple energies, providing measurements consistent with Standard Model predictions.

Findings

Results are consistent with Standard Model predictions.

Angular observables measured in different $q^2$ regions.

Analysis uses 8.4 fb$^{-1}$ of LHCb data.

Abstract

An angular analysis of the rare decay $B^0_s\rightarrow\phi\mu^+\mu^-$ is presented, using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of $7$, $8$ and $13~\rm{TeV}$, corresponding to an integrated luminosity of $8.4~\rm{fb}^{-1}$. The observables describing the angular distributions of the decay $B^0_s\rightarrow\phi\mu^+\mu^-$ are determined in regions of $q^2$, the square of the dimuon invariant mass. The results are consistent with Standard Model predictions.