Semileptonic decays of doubly heavy baryons in the relativistic quark model

Details Semileptonic decays of doubly heavy baryons in the relativistic quark model Semileptonic decays of doubly heavy baryons in the relativistic quark model

2004-04-30

arxiv.org/abs/hep-ph/0404280v1

Phys.Rev.D70:014018,2004; Erratum-ibid.D77:079903,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 5 figures

Scientific paper

10.1103/PhysRevD.70.014018

Semileptonic decays of doubly heavy baryons are studied in the framework of the relativistic quark model. The doubly heavy baryons are treated in the quark-diquark approximation. The transition amplitudes of heavy diquarks bb and bc going respectively to bc and cc are explicitly expressed through the overlap integrals of the diquark wave functions in the whole accessible kinematic range. The relativistic baryon wave functions of the quark-diquark bound system are used for the calculation of the transition matrix elements, the Isgur-Wise function and decay rates in the heavy quark limit.

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