Search for the baryon- and lepton-number violating decays <math display="inline"><msup><mi>B</mi><mn>0</mn></msup><mo stretchy="false">→</mo><mi>p</mi><msup><mi>μ</mi><mo>-</mo></msup></math> and <math display="inline"><msubsup><mi>B</mi><mi>s</mi><mn>0</mn></msubsup><mo stretchy="false">→</mo><mi>p</mi><msup><mi>μ</mi><mo>-</mo></msup></math> - INSPIRE

DataBETA

Search for the baryon- and lepton-number violating decays $B^{0} \to p μ^{-}$ and $B_{s}^{0} \to p μ^{-}$

LHCb

Collaboration

Oct 19, 2022

15 pages

Published in:

Phys.Rev.D 108 (2023) 1, 012021

Published: Jul 1, 2023

e-Print:

2210.10412 [hep-ex]

DOI:

10.1103/PhysRevD.108.012021 (publication)

PDG:

{{\mathit B}^{0}}

\rightarrow

{{\mathit p}}{{\mathit \mu}^{-}}

Report number:

CERN-EP-2022-195,
LHCb-PAPER-2022-022

Experiments:

CERN-LHC-LHCb

View in:

reference search9 citations

Citations per year

Abstract: (APS)

A search for the baryon- and lepton-number violating decays

B^{0} \to p μ^{-}

and

B_{s}^{0} \to p μ^{-}

is performed at the LHCb experiment using data collected in proton-proton collisions at

\sqrt{s} = 7

, 8 and 13 TeV, corresponding to integrated luminosities of 1, 2, and

6 {fb}^{- 1}

, respectively. No significant signal for

B^{0} \to p μ^{-}

and

B_{s}^{0} \to p μ^{-}

decays is found and the upper limits on the branching fractions are determined to be

B (B^{0} \to p μ^{-}) < 2.6 (3.1) \times 10^{- 9}

and

B (B_{s}^{0} \to p μ^{-}) < 12.1 (14.0) \times 10^{- 9}

, respectively, at 90% (95%) confidence level. These are the first limits on these decays to date.

Note:

All figures and tables, along with machine-readable versions and any supplementary material and additional information, are available at https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2022-022.html (LHCb public pages). arXiv admin note: text overlap with arXiv:1710.04111

p p: colliding beams
B0: semileptonic decay
B/s0: semileptonic decay
p
muon
lepton number: violation
baryon number: violation
p p: scattering
B0: branching ratio: upper limit
B/s0: branching ratio: upper limit

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