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Search for B 0 s → μ + μ - And B0 → μ+ μ- Decays

Abstract:
A search for the rare decays B 0s → μ +μ - and B 0 → μ + μ - is performed in pp collisions at ps = 7TeV, with a data sample corresponding to an integrated luminosity of 5 fb -1 collected by the CMS experiment at the LHC. In both decays, the number of events observed after all selection requirements is consistent with the expectation from background plus standard model signal predictions. The resulting upper limits on the branching fractions are B(B 0s → μ + μ-) < 7:7 × 10 -9 and B(B 0 → μ +μ -) < 1:8 × 10 -9 at 95% confidence level.

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Publisher copy:
10.1007/JHEP04(2012)033

Authors


Chatrchyan, S More by this author
Khachatryan, V More by this author
Sirunyan, AM More by this author
Tumasyan, A More by this author
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Journal:
Journal of High Energy Physics
Volume:
2012
Issue:
4
Publication date:
2012
DOI:
EISSN:
1029-8479
ISSN:
1126-6708
URN:
uuid:a1b3bcb0-9264-4d18-93ba-02db6165fb9a
Source identifiers:
330117
Local pid:
pubs:330117
Language:
English
Keywords:

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