Measurement of the Ξb- and Ωb- baryon lifetimes

Academic Article

Abstract

  • Using a data sample of pp collisions corresponding to an integrated luminosity of 3 fb-1, the Ξb- and Ωb- baryons are reconstructed in the Ξb-→J/ψΞ- and Ωb-→J/ψΩ- decay modes and their lifetimes measured to beτ(Ξb-)=1.55-0.09+0.10(stat)±0.03(syst)ps,τ(Ωb-)=1.54-0.21+0.26(stat)±0.05(syst)ps. These are the most precise determinations to date. Both measurements are in good agreement with previous experimental results and with theoretical predictions. © 2014 The Authors.
  • Authors

    Digital Object Identifier (doi)

    Author List

  • Aaij R; Adeva B; Adinolfi M; Affolder A; Ajaltouni Z; Albrecht J; Alessio F; Alexander M; Ali S; Alkhazov G
  • Start Page

  • 154
  • End Page

  • 162
  • Volume

  • 736