Searches for the baryon- and lepton-number violating decays B{sup 0}{yields}{Lambda}{sub c}{sup +}l{sup -}, B{sup -}{yields}{Lambda}l{sup -}, and B{sup -}{yields}{Lambda}l{sup -}
Journal Article
·
· Physical Review. D, Particles Fields
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Universite de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France, (France)
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona (Spain)
- INFN Sezione di Bari, I-70126 Bari (Italy)
- University of Bergen, Institute of Physics, N-5007 Bergen (Norway)
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720 (United States)
- Ruhr Universitaet Bochum, Institut fuer Experimentalphysik 1, D-44780 Bochum (Germany)
Searches for B mesons decaying to final states containing a baryon and a lepton are performed, where the baryon is either {Lambda}{sub c} or {Lambda} 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)x10{sup -8} are set on the branching fractions at the 90% confidence level.
- OSTI ID:
- 21541562
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 83, Issue 9; Other Information: DOI: 10.1103/PhysRevD.83.091101; (c) 2011 American Institute of Physics; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
B MESONS
B MINUS MESONS
B NEUTRAL MESONS
BARYON NUMBER
BRANCHING RATIO
ELECTRONS
LAMBDA C PLUS BARYONS
LAMBDA PARTICLES
LEPTON NUMBER
MUONS
PARTICLE DECAY
STANDARD MODEL
BARYONS
BEAUTY MESONS
BEAUTY PARTICLES
BOSONS
CHARM PARTICLES
CHARMED BARYONS
DECAY
DIMENSIONLESS NUMBERS
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
GRAND UNIFIED THEORY
HADRONS
HYPERONS
LAMBDA BARYONS
LEPTONS
MATHEMATICAL MODELS
MESONS
PARTICLE MODELS
PSEUDOSCALAR MESONS
QUANTUM FIELD THEORY
STRANGE PARTICLES
UNIFIED GAUGE MODELS
B MESONS
B MINUS MESONS
B NEUTRAL MESONS
BARYON NUMBER
BRANCHING RATIO
ELECTRONS
LAMBDA C PLUS BARYONS
LAMBDA PARTICLES
LEPTON NUMBER
MUONS
PARTICLE DECAY
STANDARD MODEL
BARYONS
BEAUTY MESONS
BEAUTY PARTICLES
BOSONS
CHARM PARTICLES
CHARMED BARYONS
DECAY
DIMENSIONLESS NUMBERS
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
GRAND UNIFIED THEORY
HADRONS
HYPERONS
LAMBDA BARYONS
LEPTONS
MATHEMATICAL MODELS
MESONS
PARTICLE MODELS
PSEUDOSCALAR MESONS
QUANTUM FIELD THEORY
STRANGE PARTICLES
UNIFIED GAUGE MODELS