Renormalization of B-meson distribution amplitudes

Details Renormalization of B-meson distribution amplitudes Renormalization of B-meson distribution amplitudes

2009-04-29

arxiv.org/abs/0904.4687v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 2 figures. Contribution to the proceedings of the Int. Workshop on Effective Field Theories: from the pion to the ups

Scientific paper

We summarize a recent calculation of the evolution kernels of the two-particle B-meson distribution amplitudes $\phi_+$ and $\phi_-$ taking into account three-particle contributions. In addition to a few phenomenological comments, we give as a new result the evolution kernel of the combination of three-particle distribution amplitudes $\Psi_A-\Psi_V$ and confirm constraints on $\phi_+$ and $\phi_-$ derived from the light-quark equation of motion.

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