Charmless BB decays at LHCb

Collaboration
for the collaboration.
2017
9 pages
Published in:
  • PoS EPS-HEP2017 (2017) 239
Contribution to:
  • Published: Mar 20, 2018 by SISSA
Experiments:

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Abstract: (SISSA)
A review of the latest analyses from the LHCb experiment on charmless BB-meson decays is presented. Emphasis is given on the first observation of the rare two-body baryonic decay B0ppˉB^0 \to p \bar{p} and the observation of several multi-body baryonic decays of the B0B^0 and Bs0B_s^0 mesons. The decay mode B0ppˉB^0 \to p \bar{p} is the rarest decay of the B0B^0 meson observed to date.Its branching fraction is determined to beB(B0ppˉ)=(1.25±0.27±0.18)×108,\cal{B}(B^0 \to p \bar{p}) = ( 1.25 \pm 0.27 \pm 0.18 ) \times 10^{-8} \,,where the first uncertainty is statistical and the second systematic.
  • talk: Venice 2017/07/05
  • p p: scattering
  • p p: colliding beams
  • B0: hadronic decay
  • B0: rare decay
  • B0: decay modes
  • B/s0: decay modes
  • LHC-B
  • CERN LHC Coll
  • B0: branching ratio: measured
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