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

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 squar...

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Autori principali: Aaij, Roel (Autore) , Bachmann, Sebastian (Autore) , Carus, Leon (Autore) , Caspary, Rowina (Autore) , Celani, Sara (Autore) , Cocha Toapaxi, Carlos (Autore) , De Cian, Michel (Autore) , Dittmann, Lucas (Autore) , Esen, Sevda (Autore) , Glaser, Fabian (Autore) , Günther, Paul André (Autore) , Han, Xiaoxue (Autore) , Hu, Jiangqiao (Autore) , Hansmann-Menzemer, Stephanie (Autore) , Herrero Gascón, Paula (Autore) , Langenbruch, Christoph (Autore) , Leverington, Blake (Autore) , Marks, Jörg (Autore) , Morgenthaler, Maurice Pierre (Autore) , Roy, Shreya (Autore) , Ruiz Diaz, Miguel (Autore) , Tuci, Giulia (Autore) , Uecker, Lennart Henning (Autore) , Unverzagt, Daniel Joachim (Autore) , Uwer, Ulrich (Autore) , Wang, Chishuai (Autore) , Witola, Lukas (Autore) , Zhao, Ya (Autore) , Zhelezov, Alexey (Autore)
Ente Autore: LHCb Collaboration (Autore)
Natura: Article (Journal)
Lingua:inglese
Pubblicazione: June 13, 2025
In: Journal of high energy physics
Year: 2025, Fascicolo: 6, Pages: 1-53
ISSN:1029-8479
DOI:10.1007/JHEP06(2025)140
Accesso online:Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP06(2025)140
Verlag, kostenfrei, Volltext: https://link.springer.com/10.1007/JHEP06(2025)140
Testo
Note sull'autore:the LCHb collaboration
Descrizione
Riassunto: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.
Descrizione del documento:Im Titel ist bei B0 und K* die Ziffer ʺ0ʺ hochgestellt, das Plus- und das Minuszeichen sind jeweils hochgestellt
The LCHb collaboration: R. Aaij, S. Bachmann, L. Carus, R. Caspary, S. Celani, M. De Cian, C. Cocha Taopaxi, L. Dittmann, S. Esen, F.C. Glaser, P.A. Günther, X. Han, S. Hansmann-Menzemer, P. Herrero Gascon, J. Hu, C. Langenbruch, B. Leverington, J. Marks, M.P. Morgenthaler, P.R. Pais, S.R. Roy, M.R. Diaz, G. Tuci, L.H. Uecker, D.J. Unverzagt, U. Uwer, C. Wang, L. Witola, Y. Zhao, A. Zhelezov [und viele weitere Autoren]
Gesehen am 08.07.2026
Descrizione fisica:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP06(2025)140

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