Search for the rare decays $B^0_{(s)} \to \mu^+ \mu^-$ at LHCb

A search for the $B_s \to \mu^+ \mu^-$ and $B_d \to \mu^+ \mu^-$ decays is presented using $\sim$ 300 pb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 7 TeV collected by the LHCb experiment at the Large Hadron Collider at CERN. The measured upper limit for the branching ratio of the $B_s \to \mu^+ \mu^-...

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Autor principal: Serrano, Justine
Lenguaje:eng
Publicado: 2011
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.22323/1.134.0168
http://cds.cern.ch/record/1398325
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author Serrano, Justine
author_facet Serrano, Justine
author_sort Serrano, Justine
collection CERN
description A search for the $B_s \to \mu^+ \mu^-$ and $B_d \to \mu^+ \mu^-$ decays is presented using $\sim$ 300 pb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 7 TeV collected by the LHCb experiment at the Large Hadron Collider at CERN. The measured upper limit for the branching ratio of the $B_s \to \mu^+ \mu^-$ decay is $\cal B(B_s \to \mu^+ \mu^-$ < 1.3 (1.6) x 10$^{-8}$ at 90 % (95%) confidence level (CL), while in the case of the $B_d \to \mu^+ \mu^-$ decay the measured upper limit is $\cal B(B_d \to \mu^+ \mu^-$ < 4.2 (5.1) x 10$^{-9}$ at 90 % (95%) CL. A combination with the 2010 dataset results in $\cal B(B_s \to \mu^+ \mu^-$ < 1.2 (5.1) x 10$^{-8}$ at 90 % (95%) CL.
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institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2011
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spelling cern-13970172023-03-14T19:05:05Zdoi:10.22323/1.134.0168http://cds.cern.ch/record/1398325engSerrano, JustineSearch for the rare decays $B^0_{(s)} \to \mu^+ \mu^-$ at LHCbParticle Physics - ExperimentA search for the $B_s \to \mu^+ \mu^-$ and $B_d \to \mu^+ \mu^-$ decays is presented using $\sim$ 300 pb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 7 TeV collected by the LHCb experiment at the Large Hadron Collider at CERN. The measured upper limit for the branching ratio of the $B_s \to \mu^+ \mu^-$ decay is $\cal B(B_s \to \mu^+ \mu^-$ < 1.3 (1.6) x 10$^{-8}$ at 90 % (95%) confidence level (CL), while in the case of the $B_d \to \mu^+ \mu^-$ decay the measured upper limit is $\cal B(B_d \to \mu^+ \mu^-$ < 4.2 (5.1) x 10$^{-9}$ at 90 % (95%) CL. A combination with the 2010 dataset results in $\cal B(B_s \to \mu^+ \mu^-$ < 1.2 (5.1) x 10$^{-8}$ at 90 % (95%) CL.A search for the Bs->mumu and Bd->mumu decays is presented using ~300 pb-1 of pp collisions at sqrt{s} = 7 TeV collected by the LHCb experiment at the Large Hadron Collider at CERN. The measured upper limit for the branching ratio of the Bs->mumu decay is BR(Bsmumu) < 1.3 (1.6) x 10^{-8} at 90% (95%) confidence level (CL), while in the case of the Bd->mumu decay the measured upper limit is BR(Bdmumu) < 4.2 (5.1) x 10^{-9} at 90% (95%) CL. A combination with the 2010 dataset results in BR(Bsmumu) < 1.2 (1.5) x 10^{-8} at 90% (95%) CL.arXiv:1111.2620LHCB-PROC-2011-078CERN-LHCB-PROC-2011-078oai:cds.cern.ch:13970172011-11-09
spellingShingle Particle Physics - Experiment
Serrano, Justine
Search for the rare decays $B^0_{(s)} \to \mu^+ \mu^-$ at LHCb
title Search for the rare decays $B^0_{(s)} \to \mu^+ \mu^-$ at LHCb
title_full Search for the rare decays $B^0_{(s)} \to \mu^+ \mu^-$ at LHCb
title_fullStr Search for the rare decays $B^0_{(s)} \to \mu^+ \mu^-$ at LHCb
title_full_unstemmed Search for the rare decays $B^0_{(s)} \to \mu^+ \mu^-$ at LHCb
title_short Search for the rare decays $B^0_{(s)} \to \mu^+ \mu^-$ at LHCb
title_sort search for the rare decays $b^0_{(s)} \to \mu^+ \mu^-$ at lhcb
topic Particle Physics - Experiment
url https://dx.doi.org/10.22323/1.134.0168
http://cds.cern.ch/record/1398325
work_keys_str_mv AT serranojustine searchfortheraredecaysb0stomumuatlhcb

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