Search for the lepton-flavour violating decays B0 → K*0τ±μ∓

Brundu, D.;Cadeddu, S.;Chen, S.;Dettori, F.;Garau, M.;Lai, A.;Lampis, A.;Manca, G.;Oldeman, R.;Saitta, B.;
2023-01-01

Abstract

A first search for the lepton-flavour violating decays B0 → K*0τ±μ∓ is presented. The analysis is performed using a sample of proton-proton collision data, collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV between 2011 and 2018, corresponding to an integrated luminosity of 9 fb−1. No significant signal is observed, and upper limits on the branching fractions are determined to be B(B0→K∗0τ+μ−)<1.0(1.2)×10−5 and B(B0→K∗0τ−μ+)<8.2(9.8)×10−6 at the 90% (95%) confidence level.
2023
Inglese
2023
6
143
24
Esperti anonimi
scientifica
Aaij, R.; Abdelmotteleb, A. S. W.; Abellan Beteta, C.; Abudinén, F.; Ackernley, T.; Adeva, B.; Adinolfi, M.; Afsharnia, H.; Agapopoulou, C.; Aidala, C ...espandi
1.1 Articolo in rivista
info:eu-repo/semantics/article
1 Contributo su Rivista::1.1 Articolo in rivista
262
1067
open
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