The first measurement of the CP asymmetry of the decay rate (ACP) and the CP average (SigmaA_{FB}) and CP asymmetry (Delta A_{FB}) of the forward-backward asymmetry in the muon system of Lambdac+ -> pmu+mu- decays is reported. The measurement is performed using a data sample of proton-proton collisions, recorded by the LHCb experiment from 2016 to 2018 at a center-of-mass energy of 13 TeV, which corresponds to an integrated luminosity of 5.4 fb-1. [See attached pdf file]
Search for resonance-enhanced CP and angular asymmetries in the Lambda+c -> pmu+ mu- decay at LHCb
Bassi G.Membro del Collaboration Group
;Kleijne N.Membro del Collaboration Group
;Morello M. J.Membro del Collaboration Group
;Passaro D.Membro del Collaboration Group
;Pica L.Membro del Collaboration Group
;Riccardi D.Membro del Collaboration Group
;
2025
Abstract
The first measurement of the CP asymmetry of the decay rate (ACP) and the CP average (SigmaA_{FB}) and CP asymmetry (Delta A_{FB}) of the forward-backward asymmetry in the muon system of Lambdac+ -> pmu+mu- decays is reported. The measurement is performed using a data sample of proton-proton collisions, recorded by the LHCb experiment from 2016 to 2018 at a center-of-mass energy of 13 TeV, which corresponds to an integrated luminosity of 5.4 fb-1. [See attached pdf file]File in questo prodotto:
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PhysRevD.111.L091102.pdf
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