A data set corresponding to an integrated luminosity of 9 fb−1 of proton-proton collisions collected by the LHCb experiment has been analysed to search for Bc+→D(s)(∗)+(—)D(∗)0 decays. The decays are fully or partially reconstructed, where one or two missing neutral pions or photons from the decay of an excited charm meson are allowed. Upper limits for the branching fractions, normalised to B+ decays to final states with similar topologies, are obtained for sixteen Bc+ decay modes. For the decay Bc+→Ds+D¯0, an excess with a significance of 3.4 standard deviations is found. [Figure not available: see fulltext.].

Aaij, R., Abdelmotteleb, A., Abellan Beteta, C., Ackernley, T., Adeva, B., Adinolfi, M., et al. (2021). Updated search for Bc+ decays to two charm mesons. JOURNAL OF HIGH ENERGY PHYSICS, 2021(12) [10.1007/JHEP12(2021)117].

Updated search for Bc+ decays to two charm mesons

Calvi M.;Capelli S.;Carniti P.;Fazzini D.;Garcia Pardinas J.;Gotti C.;Martinazzoli L.;Martinelli M.;Meloni S.;Minotti A.;Petruzzo M.;Pizzichemi M.;Shields E. B.;
2021

Abstract

A data set corresponding to an integrated luminosity of 9 fb−1 of proton-proton collisions collected by the LHCb experiment has been analysed to search for Bc+→D(s)(∗)+(—)D(∗)0 decays. The decays are fully or partially reconstructed, where one or two missing neutral pions or photons from the decay of an excited charm meson are allowed. Upper limits for the branching fractions, normalised to B+ decays to final states with similar topologies, are obtained for sixteen Bc+ decay modes. For the decay Bc+→Ds+D¯0, an excess with a significance of 3.4 standard deviations is found. [Figure not available: see fulltext.].
Articolo in rivista - Articolo scientifico
B physics; Branching fraction; Flavor physics; Hadron-Hadron scattering (experiments);
English
Aaij, R., Abdelmotteleb, A., Abellan Beteta, C., Ackernley, T., Adeva, B., Adinolfi, M., et al. (2021). Updated search for Bc+ decays to two charm mesons. JOURNAL OF HIGH ENERGY PHYSICS, 2021(12) [10.1007/JHEP12(2021)117].
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