The decay Bc+ → J/ψK+K -π+ is observed for the first time, using proton-proton collisions collected with the LHCb detector corresponding to an integrated luminosity of 3 fb-1. A signal yield of 78 ± 14 decays is reported with a significance of 6.2 standard deviations. The ratio of the branching fraction of Bc+ → J/ψK +K-π+ decays to that of Bc + → J/ψπ+ decays is measured to be 0:53 ± 0:10 ± 0:05, where the first uncertainty is statistical and the second is systematic. Copyright CERN.

Aaij, R., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Z., et al. (2013). Observation of the decay Bc+ → J/ψK +K-π+. JOURNAL OF HIGH ENERGY PHYSICS, 2013(11) [10.1007/JHEP11(2013)094].

Observation of the decay Bc+ → J/ψK +K-π+

CALVI, MARTA;KHANJI, BASEM;KUCHARCZYK, MARCIN;Martinelli, M;PESSINA, GIANLUIGI EZIO;
2013

Abstract

The decay Bc+ → J/ψK+K -π+ is observed for the first time, using proton-proton collisions collected with the LHCb detector corresponding to an integrated luminosity of 3 fb-1. A signal yield of 78 ± 14 decays is reported with a significance of 6.2 standard deviations. The ratio of the branching fraction of Bc+ → J/ψK +K-π+ decays to that of Bc + → J/ψπ+ decays is measured to be 0:53 ± 0:10 ± 0:05, where the first uncertainty is statistical and the second is systematic. Copyright CERN.
Articolo in rivista - Articolo scientifico
B physics; Branching fraction; Flavor physics; Hadron-Hadron scattering; Nuclear and High Energy Physics
English
2013
2013
11
none
Aaij, R., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Z., et al. (2013). Observation of the decay Bc+ → J/ψK +K-π+. JOURNAL OF HIGH ENERGY PHYSICS, 2013(11) [10.1007/JHEP11(2013)094].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/74698
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