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.

Searches for the baryon- and lepton-number violating decays B^{0}→Λ_{c}^{+}l^{-}, B^{-}→Λl^{-}, and B^{-}→Λ[over ¯]l^{-} / P., d.A.S., J., L., V., P., E., P., V., T., J., G.T., E., G., M., M., D., M., A., P., M., P., G., E., B., S., L., S., D., B., L., K., Kolomensky, Y.u., G., L., I., O., H., K., et al.. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - STAMPA. - 83:(2011), pp. 091101(R)-1-091101(R)-8. [10.1103/PhysRevD.83.091101]

Searches for the baryon- and lepton-number violating decays B^{0}→Λ_{c}^{+}l^{-}, B^{-}→Λl^{-}, and B^{-}→Λ[over ¯]l^{-}

LANCERI, LIVIO;VITALE, LORENZO;
2011-01-01

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.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2568620
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