Measurement of the branching fraction B(Bu+→J/ψπ+) and search for Bc+→J/ψπ+
Publication
, Journal Article
Abe, F; Akimoto, H; Akopian, A; Albrow, MG; Amendolia, SR; Amidei, D; Antos, J; Anway-Wiese, C; Aota, S; Apollinari, G; Asakawa, T; Atac, M ...
Published in: Physical Review Letters
1996
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 calculate the branching fraction B(Bu+→J/ψπ+) to be (5.0-1.9+2.1) × 10-5. We also search for the decay Bc+→J/ψπ+ and report a 95% confidence level limit on σ(Bc+)B(Bc+→ J/ψπ+)/σ(Bu+)B(Bu+→J/ψK+) as a function of the Bc+ lifetime.
Duke Scholars
Published In
Physical Review Letters
ISSN
0031-9007
Publication Date
1996
Volume
77
Issue
26
Start / End Page
5176 / 5181
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences
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Chicago
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MLA
NLM
Abe, F., Akimoto, H., Akopian, A., Albrow, M. G., Amendolia, S. R., Amidei, D., … Zucchelli, S. (1996). Measurement of the branching fraction B(Bu+→J/ψπ+) and search for Bc+→J/ψπ+. Physical Review Letters, 77(26), 5176–5181.
Abe, F., H. Akimoto, A. Akopian, M. G. Albrow, S. R. Amendolia, D. Amidei, J. Antos, et al. “Measurement of the branching fraction B(Bu+→J/ψπ+) and search for Bc+→J/ψπ+.” Physical Review Letters 77, no. 26 (1996): 5176–81.
Abe F, Akimoto H, Akopian A, Albrow MG, Amendolia SR, Amidei D, et al. Measurement of the branching fraction B(Bu+→J/ψπ+) and search for Bc+→J/ψπ+. Physical Review Letters. 1996;77(26):5176–81.
Abe, F., et al. “Measurement of the branching fraction B(Bu+→J/ψπ+) and search for Bc+→J/ψπ+.” Physical Review Letters, vol. 77, no. 26, 1996, pp. 5176–81.
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Measurement of the branching fraction B(Bu+→J/ψπ+) and search for Bc+→J/ψπ+. Physical Review Letters. 1996;77(26):5176–5181.
Published In
Physical Review Letters
ISSN
0031-9007
Publication Date
1996
Volume
77
Issue
26
Start / End Page
5176 / 5181
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences