B decays to excited charm mesons

Details B decays to excited charm mesons B decays to excited charm mesons

1998-09-30

arxiv.org/abs/hep-ph/9809586v1

Nucl.Phys.Proc.Suppl.75B:83-85,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTex, 3 pages, 1 figure. Talk given at 3rd International Conference on Hyperons, Charm and Beauty Hadrons, Genoa, Italy, 30 J

Scientific paper

10.1016/S0920-5632(99)00329-1

We review several aspects of the phenomenology of P-wave $\bar q Q$ mesons:
mass splittings, effective strong couplings and leptonic constants. We also
describe a QCD sum rule determination to order $\alpha_s$ of the form factor
$\tau_{1/2}(y)$ governing the semileptonic $B$ decays to the charm doublet with
$J^P=(0^+_{1/2},1^+_{1/2})$.

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