One-loop matching for parton distributions: Nonsinglet case

Xiaonu Xiong, Xiangdong Ji, Jian-Hui Zhang, and Yong Zhao
Phys. Rev. D 90, 014051 – Published 31 July 2014

Abstract

We derive the one-loop matching condition for nonsinglet quark distributions in the transverse-momentum cutoff scheme, including unpolarized, helicity and transversity distributions. The matching is between the quasidistribution defined by static correlation at finite nucleon momentum and the light-cone distribution measurable in experiments. The result is useful for extracting the latter from the former in a lattice QCD calculation which uses the lattice spacing as the ultraviolet cutoff.

  • Figure
  • Received 2 June 2014

DOI:https://doi.org/10.1103/PhysRevD.90.014051

© 2014 American Physical Society

Authors & Affiliations

Xiaonu Xiong1, Xiangdong Ji1,2,3, Jian-Hui Zhang2, and Yong Zhao3

  • 1Center for High-Energy Physics, Peking University, Beijing 100080, People’s Republic of China
  • 2INPAC, Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China
  • 3Maryland Center for Fundamental Physics, Department of Physics, University of Maryland, College Park, Maryland 20742, USA

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Vol. 90, Iss. 1 — 1 July 2014

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