The B-Meson Distribution Amplitude in QCD
classification
✦ hep-ph
keywords
amplitudedistributionb-mesonb-decayscalculatedestimateexclusiveintegral
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The B-meson distribution amplitude is calculated using QCD sum rules. In particular we obtain an estimate for the integral relevant to exclusive B-decays \lambda_B = 460 \pm 110 MeV at the scale 1 GeV. A simple QCD-motivated parametrization of the distribution amplitude is suggested.
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Forward citations
Cited by 2 Pith papers
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Form factors for B_q to J^P=2^+ tensor meson semileptonic decays are computed via light-cone QCD sum rules with external B state, yielding SM decay rates and LFU test ratios.
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