Observation of the Λb0→J/ψΛϕ decay in proton-proton collisions at √s = 13 TeV / А. М. Sirunyan, A. R. Tumasyan, W. Adam [et al.]
Уровень набора: Physics Letters BЯзык: английский.Резюме или реферат: Study of J/ψ meson production inside jets in pp collisions at √s =8TeVThe observation of the Λb0→J/ψΛϕ decay is reported using proton-proton collision data collected at √s = 13 TeVby the CMS experiment at the LHC in 2018, corresponding to an integrated luminosity of 60fb−1. The ratio of the branching fractions B(Λb0→J/ψΛϕ)/B(Λb0→ψ(2S)Λ) is measured to be (8.26±0.90(stat)±0.68(syst)±0.11(B))×10−2, where the first uncertainty is statistical, the second is systematic, and the last uncertainty reflects the uncertainties in the world-average branching fractions of ϕ and ψ(2S) decays to the reconstructed final states..Примечания о наличии в документе библиографии/указателя: [References.: 48 tit.].Тематика: электронный ресурс | труды учёных ТПУ | CMS | b physics | heavy-flavor spectroscopy | computing Ресурсы он-лайн:Щелкните здесь для доступа в онлайнНет реальных экземпляров для этой записи
Title screen
[References.: 48 tit.]
Study of J/ψ meson production inside jets in pp collisions at √s =8TeVThe observation of the Λb0→J/ψΛϕ decay is reported using proton-proton collision data collected at √s = 13 TeVby the CMS experiment at the LHC in 2018, corresponding to an integrated luminosity of 60fb−1. The ratio of the branching fractions B(Λb0→J/ψΛϕ)/B(Λb0→ψ(2S)Λ) is measured to be (8.26±0.90(stat)±0.68(syst)±0.11(B))×10−2, where the first uncertainty is statistical, the second is systematic, and the last uncertainty reflects the uncertainties in the world-average branching fractions of ϕ and ψ(2S) decays to the reconstructed final states.
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