$B_c$ to P-Wave Charmonia Transitions in Covariant Light-Front Approach

Details $B_c$ to P-Wave Charmonia Transitions in Covariant Light-Front Approach $B_c$ to P-Wave Charmonia Transitions in Covariant Light-Front Approach

2009-01-14

arxiv.org/abs/0901.1934v2

Phys.Rev.D79:114018,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 1 figure, published in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.79.114018

In the covariant light-front quark model, we investigate the $B_c\to h_c, \chi_{c0,1,2}$ form factors. The form factors are evaluated in space-like kinematic region and are recasted to the physical region by adopting the exponential parametrization. We also study the semileptonic $B_c$ decays and find that branching fractions for the $B_c\to (h_c,\chi_{c0,1,2})l\bar\nu (l=e,\mu)$ decays have the order $10^{-3}$ while branching fractions for $B_c\to (h_c,\chi_{c0,1,2})\tau\bar\nu_\tau$ are suppressed by one order. These predictions will be tested at the forthcoming hadron colliders.

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