Abstract
The form factors of weak decays of the B meson to orbitally excited scalar,
axial vector and tensor light mesons are calculated in the framework of the
QCD-motivated relativistic quark model based on the quasipotential approach.
Relativistic effects are systematically taken into account. The form factors
are expressed trough the overlap integrals of the meson wave functions and
their dependence on the momentum transfer is reliably determined in the whole
kinematical range. On this basis semileptonic and two-body nonleptonic B decay
rates to orbitally excited light mesons are calculated. Good agreement of the
obtained predictions with available experimental data is found.
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