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Semileptonic B_(c)⁻to D^(*0)ellν transition in three--point QCD sum rules and HQET with gluon condensate corrections

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arxiv 0811.2674 v2 pith:HAB73RWR submitted 2008-11-17 hep-ph

Semileptonic B_(c)⁻to D^(*0)ellν transition in three--point QCD sum rules and HQET with gluon condensate corrections

classification hep-ph
keywords condensatefactorsformgluonrulessemileptonictransitionaccount
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Taking into account the gluon condensate contributions, the form factors of the semileptonic $B_c^- \to D^{*0}\ell\nu$ transition with $l=\tau, e$ are calculated in the framework of the three point QCD sum rules. The heavy quark effective theory limit of the form factors are also computed. The relevant total decay width as well as the branching ratio are evaluated and compared with the predictions of the other non-perturbative approaches.

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