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Measurements of branching fractions, rate asymmetries, and angular distributions in the rare decays B -> Kl(+)l(-) and B -> K(*)l(+)l(-)

Abstract:

We present measurements of the flavor-changing neutral current decays B→K + - and B→K* + -, where + - is either an e+e- or μ+μ- pair. The data sample comprises 229×106Υ(4S)→BB̄ decays collected with the BABAR detector at the PEP-II e+e- storage ring. Flavor-changing neutral current decays are highly suppressed in the standard model and their predicted properties could be significantly modified by new physics at the electroweak scale. We measure the branching fractions B(B→K + -)=(0.34±0.07±0....

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.73.092001

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Journal:
Physical Review D More from this journal
Volume:
73
Issue:
9
Publication date:
2006-05-01
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
Language:
English
Pubs id:
pubs:24094
UUID:
uuid:05696cb4-6e80-4ad8-8c51-aa01f872ef97
Local pid:
pubs:24094
Source identifiers:
24094
Deposit date:
2012-12-19

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