Hard approximation in two-particle hadronic decays of B_c at large recoils

Details Hard approximation in two-particle hadronic decays of B_c at large recoils Hard approximation in two-particle hadronic decays of B_c at large recoils

1996-05-31

arxiv.org/abs/hep-ph/9605451v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 1 eps-figure, eqs.(4), (6) corrected, numerical estimates changed

Scientific paper

The two-particle decays of B_c^+ to psi pi^+(rho^+) and B_c^+ to eta_c pi^+(rho^+) are considered in a way taking into account a soft binding of quarks in the heavy quarkonia and a hard gluon exchange between the constituents at large recoil momenta of psi(eta_c). An approximate double enhancement of the amplitudes is found because of the nonspectator t-channel contribution.

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