Search for B ->tau nu and B -> K nu(nu)over-bar
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Issue Date
2001-04Author
Ammar, Raymond G.
Bean, Alice
Besson, David Zeke
Davis, Robin E. P.
Kwak, Nowhan
Zhao, X.
Publisher
AMERICAN PHYSICAL SOC
Type
Article
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Show full item recordAbstract
We report results of a search for B --> tau nu in a sample of 9.7 x 10(6) charged B meson decays. We exclusively reconstruct the companion B decay to suppress background. We set an upper limit on the branching fraction B(B --> tau nu) < 8.4 X 10(-4) at 90% confidence level, We also establish B(B+/- --> K+/- nu <(nu )over bar >) < 2.4 X 10(-4) at 90% confidence level.
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Citation
Browder, TE; Li, Y, et al. Search for B ->tau nu and B -> K nu(nu)over-bar. PHYSICAL REVIEW LETTERS. April 2001. 86(14) : 2950-2954.
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