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+ | ====== TTP08-07 Modelling light-cone distribution amplitudes from non-relativistic bound states ====== | ||

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+ | bound states, including radiative corrections from relativistic gluon | ||

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+ | We distinguish between bound states of quarks with equal (or similar) | ||

+ | mass, m_1 ~ m_2, and between bound states where the quark masses are | ||

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+ | with non-relativistic bound states in the QCD factorization approach | ||

+ | like, for instance, (B_c -> eta_c l nu) or (e^+ e^- -> J/psi eta_c). | ||

+ | They also serve as a toy model for light-cone distribution amplitudes | ||

+ | of light mesons or heavy B and D mesons, for which certain | ||

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+ | the according solution of the evolution equation at leading logarithmic | ||

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+ | |**Guido Bell and Thorsten Feldmann** | ||

+ | |** JHEP 0804 061 2008 ** | | ||

+ | | {{preprints: | ||

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