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Light-Front Quark Model Phenomenology Consistent with Chiral Symmetry
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classification
hep-ph
keywords
chiraldistributionlight-frontmodelpionquarkscalesymmetry
read the original abstract
We discuss the link between the chiral symmetry of QCD and the numerical results of the light-front quark model, analyzing both the twist-2 and twist-3 distribution amplitudes of a pion. In particular, we exhibit that the pion twist-3 distribution amplitude can flip the sign of curvature as the cutoff scale for the transverse momentum gets lower than a typical scale of around 1 GeV.
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