A SEARCH FOR B→τν
2001 ◽
Vol 16
(supp01b)
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pp. 636-638
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Keyword(s):
B Meson
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We report results of a search for B→τν in a sample of 9.7 million charged B meson decays. The search uses both πν and [Formula: see text] decay modes of the τ, and demands exclusive reconstruction of the companion [Formula: see text] decay to suppress background. We set an upper limit on the branching fraction ℬ(B→τν)<8.4×10-4 at 90% confidence level. With slight modification to the analysis we also establish [Formula: see text] at 90% confidence level.
Branching Ratio and CP Asymmetry in b→sγ and the Study of Exclusive Radiative B Meson Decays at CLEO
2001 ◽
Vol 16
(supp01b)
◽
pp. 632-635
2003 ◽
Vol 117
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pp. 564-568
1991 ◽
Vol 272
(3-4)
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pp. 395-403
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