A New Estimate of $B \to (ρ, ω)+ γ$ In The Light-Cone QCD Sum Rule

Details A New Estimate of $B \to (ρ, ω)+ γ$ In The Light-Cone QCD Sum Rule A New Estimate of $B \to (ρ, ω)+ γ$ In The Light-Cone QCD Sum Rule

1999-11-11

arxiv.org/abs/hep-ph/9911308v2

J.Phys.G25:1179-1185,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 12 pages including 3 ps figures

Scientific paper

10.1088/0954-3899/25/6/308

We propose a new estimate of the process $B \to (\rho, \omega)+ \gamma$ by using the light-cone QCD sum rule. The aim is to choose the chiral quark current operators in order to eliminate the uncertainty arising from the chiral-even operators in the correlator. In the case of neglecting the corrections from $\rho$-meson mass, the sum rules for form factors are obtained, which are valid to the twist-three accuracy. The resulting branching ratios are consistent with the experimental data.

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