Wave functions, evolution equations and evolution kernels from light ray operators of QCD

@inproceedings{Mueller1994WaveFE,
  title={Wave functions, evolution equations and evolution kernels from light ray operators of QCD},
  author={Dirk Mueller and Dieter Robaschik and Bodo Geyer},
  year={1994}
}
The widely used nonperturbative wave functions and distribution functions of QCD are determined as matrix elements of light-ray operators. These operators appear as large momentum limit of nonlocal hadron operators or as summed up local operators in light-cone expansions. Nonforward one-particle matrix elements of such operators lead to new distribution amplitudes describing both hadrons simultaneously. These distribution functions depend besides other variables on two scaling variables. They… CONTINUE READING

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