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Model-independent search for the decay B^{+}→l^{+}ν_{l}γ
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(2009) Model-independent search for the decay B^{+}→l^{+}ν_{l}γ. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.80 (No.11). article no. 111105. doi:10.1103/PhysRevD.80.111105 ISSN 1550-7998.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.80.111105
Abstract
We present a search for the radiative leptonic decay B(+)-> l(+)nu(l)gamma, where l=e, mu, using a data sample of 465x10(6) BB pairs collected by the BABAR experiment. In this analysis, we fully reconstruct the hadronic decay of one of the B mesons in Upsilon(4S)-> B(+)B(-) decays, then search for evidence of B(+)-> l(+)nu(l)gamma in the rest of the event. We observe no significant evidence of signal decays and report model-independent branching fraction upper limits of B(B(+)-> e(+)nu(e)gamma)< 17x10(-6), B(B(+)->mu(+)nu(mu)gamma)< 24x10(-6), and B(B(+)-> l(+)nu(l)gamma)< 15.6x10(-6) (l=e or mu), all at the 90% confidence level.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Physical Review D (Particles, Fields, Gravitation and Cosmology) | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 1550-7998 | ||||
| Official Date: | 2009 | ||||
| Dates: |
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| Volume: | Vol.80 | ||||
| Number: | No.11 | ||||
| Page Range: | article no. 111105 | ||||
| DOI: | 10.1103/PhysRevD.80.111105 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published |
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