Study of B_{c}\to J/ψK decays in the perturbative QCD approach

Details Study of B_{c}\to J/ψK decays in the perturbative QCD approach Study of B_{c}\to J/ψK decays in the perturbative QCD approach

2009-11-05

arxiv.org/abs/0911.0972v3

Phys.Rev.D81:037501,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages,1 figure

Scientific paper

10.1103/PhysRevD.81.037501

In this note, we calculate the branching ratio of B_c\to J/\psi K in the framework of perturbative QCD approach based on k_T factorization. This decay can occur only via tree level diagrams in the Standard Model. We find that the branching ratio of B_c\to J/\psi K is about (1-3)\times10^{-4}. The large branching ratio and the clear signals of the final states make the measurement of B_c\to J/\psi K easily at LHC-b experiments.

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