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Measurements of the absolute branching fractions of B+/- --> K+/-X(cc).

Abstract:
We study the two-body decays of B+/- mesons to K+/- and a charmonium state X(cc) in a sample of 210.5 fb(-1) of data from the BABAR experiment. We perform measurements of absolute branching fractions beta(B+/- --> K+/-X(cc)) using a missing mass technique, and report several new or improved results. In particular, the upper limit beta(B+/- --> K+/- X(3872)) < 3.2 x 10(-4) at 90% C.L. and the inferred lower limit beta(X(3872)J/psipi+ pi-) > 4.2% will help in understanding the nature of the recently discovered X(3872).
Publication status:
Published

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Authors


Boutigny, D More by this author
Couderc, F More by this author
Karyotakis, Y More by this author
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Journal:
Physical review letters
Volume:
96
Issue:
5
Pages:
052002
Publication date:
2006-02-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:3c58520b-3d1e-4611-89ed-ac939025e2fa
Source identifiers:
18966
Local pid:
pubs:18966
Language:
English
Keywords:

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