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Measurement of the branching fraction B(B-u(+)->J/psi pi(+)) and search for B-c(+)->J/psi pi(+)

Abstract:

We report on a measurement of the branching fraction of the Cabibbo-suppressed decay Bu +→J/ψπ+ , where J/ψ→μ+μ-. The data were collected by the Collider Detector at Fermilab during 1992-1995 and correspond to an integrated luminosity of 110 pb-1 in p̄p collisions at √s = 1.8 TeV. A signal of 289 +10 events is observed and we determine the ratio of branching fractions B(Bu +→J/ψπ+)/B(Bu +→J/ψK+) to be [5.0-1.7 +1.9(stat) ± 0.1(syst)]%. Using the world average value for B(Bu +→J/ψK+), we calcu...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevLett.77.5176

Authors


Akimoto, H More by this author
Akopian, A More by this author
Albrow, MG More by this author
Amendolia, SR More by this author
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Journal:
PHYSICAL REVIEW LETTERS
Volume:
77
Issue:
26
Pages:
5176-5181
Publication date:
1996-12-23
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:389a90ce-12f6-4fdd-a36e-341545b4be50
Source identifiers:
172385
Local pid:
pubs:172385

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