Spin effects in B_c -> X_cc + π(ρ) decays

Details Spin effects in B_c -> X_cc + π(ρ) decays Spin effects in B_c -> X_cc + π(ρ) decays

2000-07-31

arxiv.org/abs/hep-ph/0007352v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX2e, 6 pages plus 1 figure using linedraw.sty. Talk was presented at V International Workshop on Heavy Quark Physics, Dubn

Scientific paper

The two-particle hadronic decays of B_c meson into S-wave and P-wave charmonium states X_cc are considered in the framework of hard gluon exchange model. It is shown that decay width of B_c meson into S-wave charmonium states doubly exceeds one for S-wave states. In compare with the previous estimations we predict the enhancement by 8 % the branching ratio for the B_c decays into J/psi in the two-particle hadronic decays via the contribution of the radiative decays of P-wave states in the cascade processes.

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