Ball, Patricia and Braun, Vladimir M. and Lenz, Alexander
Twist-4 distribution amplitudes of the K* and phi mesons in QCD.
Journal of High Energy Physics 2007 (08), p. 90.
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We present a systematic study of twist-4 light-cone distribution amplitudes of the K* and phi meson in QCD. The structure of SU(3)-breaking corrections is studied in detail. Non-perturbative input parameters are estimated from QCD sum rules and a renormalon based model. As a by-product, we give a complete reanalysis of the parameters of the twist-4 ρ-meson distribution ...
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