Nondipolar Wilson links for quasiparton distribution functions

Hsiang-nan Li
Phys. Rev. D 94, 074036 – Published 26 October 2016

Abstract

We propose a modified definition for a quasiparton distribution function (QPDF) with an equal-time correlator in the large momentum limit, whose two pieces of spacelike Wilson links are oriented in orthogonal directions. It is explicitly shown at the one-loop level that the linear divergence in the original QPDF with dipolar Wilson links, which complicates its matching to the standard light-cone parton distribution function (LPDF), is removed. The LPDF can then be extracted reliably from Euclidean lattice data for the QPDF with the nondipolar Wilson links.

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  • Received 5 August 2016

DOI:https://doi.org/10.1103/PhysRevD.94.074036

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Particles & Fields

Authors & Affiliations

Hsiang-nan Li

  • Institute of Physics, Academia Sinica, Taipei 115 Taiwan, Republic of China

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Issue

Vol. 94, Iss. 7 — 1 October 2016

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