Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 60, Issue 1, Pages 107-117Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-009-0872-y
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Funding
- National Natural Science Foundation of China [10805014, 10647119, 10710146, 90403024]
- Natural Science Foundation of Henan Province, China
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The B-c -> J/psi pi, eta(c)pi decays are studied with the perturbative QCD approach. It is found that the form factors A(0,1,2)(Bc -> J/psi) and F-0(Bc ->eta c) for the B-c -> J/psi, eta(c) transitions and the branching ratios are sensitive to the parameters omega, upsilon, f(J/psi) and f(eta c), where omega and upsilon are the parameters of the charmonium wave functions for a Coulomb potential and the harmonic-oscillator potential, respectively, and f(J/psi) and f(eta c) are the decay constants of the J/psi and eta(c) mesons, respectively. The large branching ratios and the clear signals of the final states make the B-c -> J/psi pi, eta(c)pi decays the prospective channels for measurements at the hadron colliders.
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