Pion valence quark distribution from current-current correlation in lattice QCD

We extract the pion valence quark distribution qπv(x) from lattice QCD (LQCD) calculated matrix elements of spacelike correlations of one vector and one axial vector current analyzed in terms of QCD collinear factorization, using a new short-distance matching coefficient calculated to one-loop accur...

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Veröffentlicht in:	Physical review. D 2020-09, Vol.102 (5), p.1, Article 054508
Hauptverfasser:	Sufian, Raza Sabbir, Egerer, Colin, Karpie, Joseph, Edwards, Robert G., Joó, Bálint, Ma, Yan-Qing, Orginos, Kostas, Qiu, Jian-Wei, Richards, David G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Computation Current distribution Factorization Lattice field theory Matching Mathematical analysis Matrix methods nonperturbative effects in field theory particle interactions perturbation theory PHYSICS OF ELEMENTARY PARTICLES AND FIELDS Pions Quantum chromodynamics Quarks strong interaction Vector currents
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