Decay of $B_c^{*+}(3S) \to B^+D^0$

Details Decay of $B_c^{*+}(3S) \to B^+D^0$ Decay of $B_c^{*+}(3S) \to B^+D^0$

1996-08-26

arxiv.org/abs/hep-ph/9608435v1

Phys.Lett. B390 (1997) 427-430

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, Revtex

Scientific paper

10.1016/S0370-2693(96)01432-3

The decay constant for the vector state of $3S$-level in the heavy $(\bar b
c)$-quarkonium is evaluated in the framework of sum rules for the mesonic
currents. A scaling relation for the constants of vector quarkonia with
different quark contents is derived. The numerical estime gives
$\Gamma(B_c^{*+}(3S)\to B^+D^0)=90 \pm 35$ MeV.

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