Parton physics of the large-Nc mesons
Abstract
We initiate the studies on the structural physics of the tower of stable large-Nc mesons through a first computation of the collinear quark-structure of a large-Nc pion using lattice Monte-Carlo methods. We adapt the large-Nc continuum reduction for the determination of meson correlation functions involving the spatially-extended quasi-PDF operators as a perfect strategy to concentrate only on the short perturbative length scales. We find the internal structures of pion in the large-Nc and Nc=3 theories to be quite similar. Interestingly, we find hints that even the observed differences could arise to a large extent via the different perturbative QCD evolution in the two theories from similar initial conditions at low factorization scales.
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