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 ISSN 1550-7998.

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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, 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:	16 July 2012
Dates:	Date Event 16 July 2012 Published
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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