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First evidence for the decay B(s)(0)→μ+ μ-.

Abstract:

A search for the rare decays B(s)(0)→μ+ μ- and B(0)→μ+ μ- is performed with data collected in 2011 and 2012 with the LHCb experiment at the Large Hadron Collider. The data samples comprise 1.1  fb(-1) of proton-proton collisions at sqrt[s]=8  TeV and 1.0  fb(-1) at sqrt[s]=7  TeV. We observe an excess of B(s)(0)→μ+ μ- candidates with respect to the background expectation. The probability that the background could produce such an excess or larger is 5.3×10(-4) corresponding to a signal signifi...

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Publication status:
Published

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Journal:
Physical Review Letters More from this journal
Volume:
110
Issue:
2
Pages:
021801
Publication date:
2013-01-07
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Keywords:
Pubs id:
pubs:364009
UUID:
uuid:1bd7a94e-62dd-4cb9-acdd-66f9960222a2
Local pid:
pubs:364009
Source identifiers:
364009
Deposit date:
2013-11-16

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