Light-Cone Distribution Amplitudes for Non-Relativistic Bound States
Abstract
We calculate light-cone distribution amplitudes for non-relativistic bound states, including radiative corrections from relativistic gluon exchange to first order in the strong coupling constant. Our results apply to hard exclusive reactions with non-relativistic bound states in the QCD factorization approach like, for instance, [Bc -> etac l nu] or [e+ e- -> J/psi etac]. They also serve as a toy model for light-cone distribution amplitudes of light mesons or heavy B and D mesons.
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