Renormalization of four-fermion operators for higher twist calculations
classification
✦ hep-lat
keywords
higherbasesfour-fermionoperatorsrenormalizationtwistaboveamplitudes
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The evaluation of the higher twist contributions to Deep Inelastic Scattering amplitudes involves a non trivial choice of operator bases for the higher orders of the OPE expansion of the two hadronic currents. In this talk we discuss the perturbative renormalization of the four-fermion operators that appear in the above bases.
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