The B meson distribution amplitude in QCD

By V. Braun, D. Ivanov, G. Korchemsky. 2003

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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.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/db64efcfcf3692fab0108bbb8d6bf8aff168cfe9