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Search for the decay modes B±→h±τℓ
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BaBar Collaboration (Including: Gershon, T. J., Harrison, P. F., Latham, Thomas and Puccio, E. M. T.). (2012) Search for the decay modes B±→h±τℓ. Physical Review D (Particles, Fields, Gravitation and Cosmology), Volume 86 (Issue 1). Article number 012004 . doi:10.1103/PhysRevD.86.012004
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Official URL: http://dx.doi.org/10.1103/PhysRevD.86.012004
Abstract
We present a search for the lepton flavor violating decay modes B-+/- -> h(+/-)tau l (h = K, pi; l = e, mu) using the BABAR data sample, which corresponds to 472 x 10(6) B (B) over bar pairs. The search uses events where one B meson is fully reconstructed in one of several hadronic final states. Using the momenta of the reconstructed B, h, and l candidates, we are able to fully determine the tau four-momentum. The resulting tau candidate mass is our main discriminant against combinatorial background. We see no evidence for B-+/- -> h(+/-)tau l decays and set a 90% confidence level upper limit on each branching fraction at the level of a few times 10(-5).
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Alternative Title: | Search for the decay modes B-+/- -> h(+/-)tau l | ||||
| Divisions: | Faculty of Science > Physics | ||||
| Journal or Publication Title: | Physical Review D (Particles, Fields, Gravitation and Cosmology) | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 1550-7998 | ||||
| Official Date: | 16 July 2012 | ||||
| Dates: |
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| Volume: | Volume 86 | ||||
| Number: | Issue 1 | ||||
| Page Range: | Article number 012004 | ||||
| DOI: | 10.1103/PhysRevD.86.012004 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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