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Measurement of the decays B--> phiK and B--> phiK*.

Abstract:
We have observed the decays B--> phiK and phiK(*) in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions are B(B+--> phiK+) = (7.7(+1.6)(-1.4)+/-0.8)x10(-6), B(B0--> phiK0) = (8.1(+3.1)(-2.5)+/-0.8)x10(-6), B(B+--> phiK(*+)) = (9.7(+4.2)(-3.4)+/-1.7)x10(-6), and B(B0--> phiK(*0)) = (8.7(+2.5)(-2.1)+/-1.1)x10(-6). We also report the upper limit B(B+--> phipi(+))<1.4x10(-6) ( 90% C.L.).
Publication status:
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Authors


Boutigny, D More by this author
Gaillard, JM More by this author
Hicheur, A More by this author
Karyotakis, Y More by this author
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Journal:
Physical review letters
Volume:
87
Issue:
15
Pages:
151801
Publication date:
2001-10-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:fcdb27ff-08b8-4fa9-b94d-3d25702fb8d6
Source identifiers:
30660
Local pid:
pubs:30660
Language:
English
Keywords:

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