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Title: Searches for the baryon- and lepton-number violating decays B0→Λ+cl−, B−→Λl−, and B−→¯¯¯Λl−
Author: Garra Ticó, Jordi
Graugés Pous, Eugeni
BABAR Collaboration
Keywords: Física de partícules
Particle physics
Issue Date: 13-May-2011
Publisher: American Physical Society
Abstract: Searches for B mesons decaying to final states containing a baryon and a lepton are performed, where the baryon is either Λ c 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.
Note: Reproducció del document publicat a:
It is part of: Physical Review D, 2011, vol. 83, num. 9, p. 091101
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ISSN: 1550-7998
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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