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Searches for the baryon- and lepton-number violating decays B[superscript 0]-->Lambda c+l-, B--->Lambda l-, and B--->Lambda[over-bar] l- l-

Author(s)
Dujmic, Denis; Sciolla, Gabriella; Zhao, M.; Cowan, Ray F
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Alternative title
Searches for the baryon- and lepton-number violating decays B0→Λc+l-, B-→Λl-, and B-→Λ̅ l-
Terms of use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
Searches for B mesons decaying to final states containing a baryon and a lepton are performed, where the baryon is either Λc or Λ and the lepton is a muon or an electron. These decays violate both baryon and lepton number and would be a signature of physics beyond the standard model. No significant signal is observed in any of the decay modes, and upper limits in the range (3.2–520)×10-8 are set on the branching fractions at the 90% confidence level.
Date issued
2011-05
URI
http://hdl.handle.net/1721.1/65374
Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review D
Publisher
American Physical Society
Citation
del Amo Sanchez, P. et al. “Searches for the Baryon- and Lepton-number Violating Decays B^{0}-->Λ_{c}^{+}l^{-}, B^{-}-->Λl^{-}, and B^{-}-->Λ[over ¯]l^{-}.” Physical Review D 83.9 (2011) : 091101(R). © 2011 American Physical Society.
Version: Final published version
ISSN
1550-7998
1550-2368

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