Lattice-QCD Computable Quark Correlation Functions at Three-Loop Order and Extraction of Splitting Functions.
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DOI: 10.1103/53ys-3n19
Abstract: We present the first complete next-to-next-to-next-to-leading-order calculation of the matching coefficients that link unpolarized flavor nonsinglet parton distribution functions with lattice QCD computable correlation functions. By using this high-order result, we notice a reduction in… read more here.
Keywords: lattice qcd; correlation functions; three loop; qcd computable ... See more keywords