Test of lepton universality in beauty-quark decays - INSPIRE

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Test of lepton universality in beauty-quark decays

LHCb

Collaboration

Mar 22, 2021

25 pages

Published in:

Nature Phys. 18 (2022) 3, 277-282,
Nature Phys. 19 (2023) 10, 1517 (addendum)

Published: Mar 15, 2022

e-Print:

2103.11769 [hep-ex]

DOI:

10.1038/s41567-023-02095-3 (addendum),
10.1038/s41567-021-01478-8 (publication)

PDG: B(

{{\mathit B}^{+}}

\rightarrow

{{\mathit K}^{+}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}

{{\mathit B}^{+}}

\rightarrow

{{\mathit K}^{+}}{{\mathit e}^{+}}{{\mathit e}^{-}}

) (1.0 < q{}^{2}< 6.0 GeV

{}^{2}

{}^{4}

Report number:

LHCb-PAPER-2021-004,
CERN-EP-2021-042

Experiments:

CERN-LHC-LHCb

View in:

reference search800 citations

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Abstract: (Springer)

The Large Hadron Collider beauty collaboration reports a test of lepton flavour universality in decays of bottom mesons into strange mesons and a charged lepton pair, finding evidence of a violation of this principle postulated in the standard model.

Note:

All figures and tables, along with any supplementary material and additional information, are available at https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2021-004.html (LHCb public pages)

p p: colliding beams
lepton: universality: violation
p p: scattering
electron: pair production
muon: pair production
electroweak interaction
CERN LHC Coll
strange meson
new physics: search for
CERN Lab

References(151)

Figures(28)

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