Hard-soft factorization in B_c--> psi pi decay

Abstract

The width of $B_c^{+}\to \psi {\pi }^{+}$ decay is calculated in the framework of factorization of a hard gluon exchange and a soft binding of quarks in the heavy quarkonium, so that $\mathrm{BR}(B_c^{+}\to \psi {\pi }^{+})=2.0\pm 0.5$ \%.

8 pages, LATEX file

Cited by in corpus (5)

• Semileptonic B_c-meson decays in sum rules of QCD and NRQCD
• Prospects for the Bc Studies at LHCb
• Two-particle decays of B_c meson into charmonium states
• Improved perturbative QCD formalism for $B_c$ meson decays
• Decay of $B_c^{\ast +}(3S)\to B^{+}{D}^0$