来自格点量子色动力学的广义部分子分布。
Generalized parton distributions from lattice QCD.
作者信息
Göckeler M, Horsley R, Pleiter D, Rakow P E L, Schäfer A, Schierholz G, Schroers W
机构信息
Institut für Theoretische Physik, Universität Leipzig, D-04109 Leipzig, Germany.
出版信息
Phys Rev Lett. 2004 Jan 30;92(4):042002. doi: 10.1103/PhysRevLett.92.042002. Epub 2004 Jan 29.
Abstract
We perform a quenched lattice calculation of the first moment of twist-two generalized parton distribution functions of the proton, and assess the total quark (spin and orbital angular momentum) contribution to the spin of the proton.
摘要
我们对质子的 twist-2 广义部分子分布函数的第一矩进行了淬火晶格计算，并评估了总夸克（自旋和轨道角动量）对质子自旋的贡献。
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