A search is performed for lepton-number-violating B- -> D-(*()+) mu(-) mu(-) decays, using data collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.4 fb(-1). No significant signal is observed, and upper limits are set on the branching fractions, B(B- -> D+mu(-)mu(-)) < 4.6 x 10(-8) and B(B- -> D*(+)mu(-) mu(-)) < 5.9 x 10(-8), at the 95% confidence level.

Search for lepton-number-violating 𝐵−→𝐷(*)+⁢𝜇−⁢𝜇− decays B − → D ( * ) + μ − μ − decays

De Angelis, C.;Dettori, F.;Manca, G.;Oldeman, R.;Provenzano, D.;Saitta, B.;
2026-01-01

Abstract

A search is performed for lepton-number-violating B- -> D-(*()+) mu(-) mu(-) decays, using data collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.4 fb(-1). No significant signal is observed, and upper limits are set on the branching fractions, B(B- -> D+mu(-)mu(-)) < 4.6 x 10(-8) and B(B- -> D*(+)mu(-) mu(-)) < 5.9 x 10(-8), at the 95% confidence level.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11584/487966
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