Study of Bc --> J/psi pi, etac pi decays with perturbative QCD approach

Details Study of Bc --> J/psi pi, etac pi decays with perturbative QCD approach Study of Bc --> J/psi pi, etac pi decays with perturbative QCD approach

2008-08-27

arxiv.org/abs/0808.3619v3

Eur.Phys.J.C60:107-117,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, revtex4

Scientific paper

10.1140/epjc/s10052-009-0872-y

The Bc --> J/psi pi, etac pi decays are studied with the perturbative QCD approach. It is found that form factors and branching ratios are sensitive to the parameters w, v, f_J/psi and f_etac, where w and v are the parameters of the charmonium wave functions for Coulomb potential and harmonic oscillator potential, respectively, f_J/psi and f_etac are the decay constants of the J/psi and etac mesons, respectively. The large branching ratios and the clear signals of the final states make the Bc --> J/psi pi, etac pi decays to be the prospective channels for measurements at the hadron colliders

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