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IHEP 96 - 63
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| V.V. Kiselev | ||
| Decay of Bc*+(3S) --> B+D0 | ||
| Protvino, 1998.- p.6, tables 1, refs.:11. | ||
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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