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Observation of the decay $B^{+}\rightarrow\psi(2S)\phi(1020)K^{+}$ in pp collisions at $\sqrt{s}$ = 8 TeV

Tijdschriftbijdrage - Tijdschriftartikel

The decay B+ -> psi(2S) phi(1020) K+ is observed for the first time using data collected from pp collisions at root S = 8 TeV by the CMS experiment at the LHC, corresponding to an integrated luminosity of 19.6 fb(-1). The branching fraction of this decay is measured, using the mode B+ -> psi(2S) K+ as normalization, to be (4.0 +/- 0.4 (stat)+/- 0.6 (syst)+/- 0.2 (B)) x 10(-6), where the third uncertainty is from the measured branching fraction of the normalization channel. (C) 2016 The Author(s). Published by Elsevier B.V.
Tijdschrift: Physics letters : B
ISSN: 0370-2693
Volume: 764
Pagina's: 66 - 86
Jaar van publicatie:2017
Auteurs:International