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Strong constraints on the rare decays B(s)(0) → μ+ μ- and B0 → μ+ μ-.

Abstract:
A search for B(s)(0) → μ+ μ- and B0 → μ+ μ decays is performed using 1.0  fb(-1) of pp collision data collected at sqrt[s] = 7  TeV with the LHCb experiment at the Large Hadron Collider. For both decays, the number of observed events is consistent with expectation from background and standard model signal predictions. Upper limits on the branching fractions are determined to be B(B(s)(0) → μ+ μ-) < 4.5(3.8)×10(-9) and B(B0 → μ+ μ-) < 1.0(0.81)×10(-9) at 95% (90%) confidence level.

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Journal:
Physical review letters
Volume:
108
Issue:
23
Pages:
231801
Publication date:
2012-06-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:ce41fc29-ac95-4434-beca-1e60c62b5a51
Source identifiers:
340129
Local pid:
pubs:340129
Language:
English
Keywords:

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