期刊
PHYSICS LETTERS B
卷 699, 期 5, 页码 330-340出版社
ELSEVIER
DOI: 10.1016/j.physletb.2011.04.031
关键词
LHC; b-Hadron; FCNC; Rare decays; Leptonic decays
资金
- CAPES
- CNPq
- FAPERJ
- FINEP (Brazil)
- CERN
- NSFC (China)
- CNRS/IN2P3 (France)
- BMBF
- DFG
- HGF
- MPG (Germany)
- SFI (Ireland)
- INFN (Italy)
- FOM
- NWO (Netherlands)
- SCSR (Poland)
- ANCS (Romania)
- MinES of Russia and Rosatom (Russia)
- MICINN
- XUNGAL
- GENCAT (Spain)
- SNSF
- SER (Switzerland)
- NAS Ukraine (Ukraine)
- STFC (United Kingdom)
- NSF (USA)
- ERC
- Region Auvergne
- STFC [ST/H001093/1, ST/H001026/1, ST/H006737/1, ST/H001085/2, ST/I002839/1, ST/F007094/1, ST/G502412/1, PP/E002722/1, ST/I505572/1, LHCb, ST/H001093/2, ST/K00073X/1, ST/H001026/2, ST/G005974/1, ST/H00081X/2, PP/E000347/1] Funding Source: UKRI
- Science and Technology Facilities Council [PP/E000347/1, ST/H001093/1, PP/E002722/1, ST/I505572/1, ST/G005974/1, ST/H001026/2, ST/H001026/1, ST/I002839/1, ST/H001093/2, ST/F007094/1, ST/H001085/2, ST/G502412/1, LHCb, ST/K00073X/1, ST/H006737/1] Funding Source: researchfish
A search for the decays Bs0 -> mu(+)mu(-) and B0 -> mu(+)mu(-) is performed with about 37 pb(-1) of pp collisions at root s = 7 TeV collected by the LHCb experiment at the Large Hadron Collider at CERN. The observed numbers of events are consistent with the background expectations. The resulting upper limits on the branching ratios are B(B-s(0) -> mu(+)mu(-) ) <5.6 x 10(-8) and B(B0 -> mu(+)mu(-) ) <1.5 x 10(-8) at 95% confidence level. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved.
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