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Searches for the baryon- and lepton-number violating decays B0→Λc+l-, B-→Λl-, and B-→Λ¯l-
- del Amo Sanchez, P;
- Lees, JP;
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- et al.
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. © 2011 American Physical Society.
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