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Search for B -> l(nu)over bar(l)
Ammar, Raymond G. Baringer, Philip S. Bean, Alice Besson, David Zeke Coppage, Don Copty, N. Davis, Robin E. P. Hancock, N. Kelly, M. Kotov, S.
Ammar, Raymond G.
Baringer, Philip S.
Bean, Alice
Besson, David Zeke
Coppage, Don
Copty, N.
Davis, Robin E. P.
Hancock, N.
Kelly, M.
Kotov, S.
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Abstract
We search for the decays B- --> l(-)<(nu)over bar>(l) in a sample of 2.2 x 10(6) charged B decays using the CLEO detector. We see no evidence for a signal in any channel and set upper limits on the branching fractions of B(B- --> tau(-)<(nu)over bar>(tau)) < 2.2 x 10(-3), B(B- --> mu(-)<(nu)over bar>(mu)) < 2.1 X 10(-5), and B(B- --> e(-)<(nu)over bar>(e)) < 1.5 x 10(-5) at the 90% confidence level.
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Date
1995-07
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AMERICAN PHYSICAL SOC
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p785_11.pdf
Adobe PDF, 878.93 KB
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ARTUSO, M, GAO, M, et al. Search for B -> l(nu)over bar(l). PHYSICAL REVIEW LETTERS. July 1995. 75(5) : 785-789