17–24 Jul 2024
Prague
Europe/Prague timezone

cLFV searches in B decays at LHCb

19 Jul 2024, 15:30
15m
South Hall 1B

South Hall 1B

Parallel session talk 05. Quark and Lepton Flavour Physics Quark and Lepton Flavour Physics

Speaker

Tommaso Fulghesu (Centre National de la Recherche Scientifique (FR))

Description

Charged Lepton flavour violation (cLFV) is a flavour-changing short-range interaction among charged leptons. cLFV processes, although allowed by neutrino oscillations, are in the Standard Model highly suppressed, hence below any experiment sensitivity. Thus, a search for cLFV constitutes a clear probe of Beyond the Standard Model (BSM) physics. The LHCb collaboration has recently conducted searches involving different lepton flavour couplings to set stringent limits on the most relevant cLFV observables and bounds in the parameter space of many NP models. The world's stringent limits have been set on the branching fractions of $b\to sll'$ transitions, where leptons with different flavours are direct products of the decay of b-quark mesons.

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Author

Tommaso Fulghesu (Centre National de la Recherche Scientifique (FR))

Co-author

Keri Vos (Nikhef National institute for subatomic physics (NL))

Presentation materials