Search for the rare decays B0s → μ+ μ− and B0 → μ+ μ-

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Title:	Search for the rare decays B0s → μ+ μ− and B0 → μ+ μ-
Author:	Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN
Other authors:	Universitat Ramon Llull. La Salle; CERN
Abstract:	A search for the decaysB0s→μ+μ−andB0→μ+μ−is performed with 0.37 fb−1ofppcollisions at√s=7 TeV collected by the LHCb experiment in 2011. The upper limits on the branching fractions areB(B0s→μ+μ−)<1.6×10−8andB(B0→μ+μ−)<3.6×10−9at 95% confidence level. A combinationof these results with the LHCb limits obtained with the 2010 dataset leads toB(B0s→μ+μ−)<1.4×10−8andB(B0→μ+μ−)<3.2×10−9at 95% confidence level.
Publication date:	2011-02-14
Subject(s):	Gran col·lisionador d'hadrons (França i Suïssa) Física--Mesuraments
Rights:	© CERN L'accés als continguts d'aquest document queda condicionat a l'acceptació de les condicions d'ús establertes per la següent llicència Creative Commons:http://creativecommons.org/licenses/by-nc-nd/4.0/
Pages:	13 p.
Document type:	Article Article - Published version
DOI:	https://doi.org/10.1016/j.physletb.2012.01.038
Published by:	Elsevier
Publish at:	Physics Letters B, Vol. 708, No, 1-2 (Febrer 2012)
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