Exclusive semileptonic and nonleptonic decays of B mesons to orbitally excited light mesons

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 selfconsistently 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.

21 pages, 5 figures, version to be published in Physical Review D

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Cited by in corpus (7)

• The long and winding road from chiral effective Lagrangians to nuclear structure
• Charmless weak $B_s$ decays in the relativistic quark model
• Calculations of three-nucleon reactions with N3LO chiral forces: achievements and challenges
• $a_1(1260),a_1(1420)$ and the production in heavy meson decays
• Measurement of the relative branching fractions of $B^{+}\to h^{+}{h}^{\prime +}{h}^{\prime -}$ decays
• Low-mass enhancement of kaon pairs in $B^{+}\to {\bar{D}}^{(\ast )0}{K}^{+}{\bar{K}}^0$ and $B^0\to D^{(\ast )-}{K}^{+}{\bar{K}}^0$ decays
• Exclusive semileptonic $B$ decays to the ground and excited states of light mesons