Alessandro Atzei

Angular analysis of B0→ K*0e+e− decays

De Angelis C.;Dettori F.;Fabiano F.;Litvinov R.;Manca G.;Oldeman R.;Provenzano D.;Saitta B.;
2025-01-01

Abstract

An angular analysis of B0→ K*0e+e− decays is presented using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb−1. The analysis is performed in the region of the dilepton invariant mass squared of 1.1–6.0 GeV2/c4. In addition, a test of lepton flavour universality is performed by comparing the obtained angular observables with those measured in B0→ K*0μ+μ− decays. In general, the angular observables are found to be consistent with the Standard Model expectations as well as with global analyses of other b → sℓ+ℓ− processes, where ℓ is either a muon or an electron. No sign of lepton-flavour-violating effects is observed.
2025
Inglese
2025
6
140
153
https://link.springer.com/article/10.1007/JHEP06(2025)140
Esperti anonimi
scientifica
B Physics
Flavour Changing Neutral Currents
Hadron-Hadron Scattering
Rare Decay
Aaij, R.; Abdelmotteleb, A. S. W.; Abellan Beteta, C.; Abudinen, F.; Ackernley, T.; Adefisoye, A. A.; Adeva, B.; Adinolfi, M.; Adlarson, P.; Agapopoul ...espandi
1.1 Articolo in rivista
info:eu-repo/semantics/article
1 Contributo su Rivista::1.1 Articolo in rivista
262
1138
open
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