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The nucleon wave function at the origin
Authors:Michael Gruber
Affiliation:Institut für Theoretische Physik, Universität Regensburg, 93040 Regensburg, Germany
Abstract:We calculate the next-to-leading order perturbative corrections to the SVZ sum rules for the coupling fNfN, the nucleon leading twist wave function at the origin. The results are compared to the established Ioffe sum rules and also to lattice QCD simulations.
Keywords:Nucleon wave function   QCD sum rules   Operator product expansion   Radiative corrections   Next-to-leading order
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