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A Lattice Calculation of Parton Distributions

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arxiv 1504.07455 v3 pith:Y4LHBP5C submitted 2015-04-28 hep-lat hep-ph

A Lattice Calculation of Parton Distributions

Constantia Alexandrou , Krzysztof Cichy , Vincent Drach , Elena Garcia-Ramos , Kyriakos Hadjiyiannakou , Karl Jansen , Fernanda Steffens , Christian Wiese This is my paper
classification hep-lat hep-ph
keywords latticemasscalculationpartonadditionapproachcomputationcorrection
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We report on our exploratory study for the direct evaluation of the parton distribution functions from lattice QCD, based on a recently proposed new approach. We present encouraging results using Nf = 2 + 1 + 1 twisted mass fermions with a pion mass of about 370 MeV. The focus of this work is a detailed description of the computation, including the lattice calculation, the matching to an infinite momentum and the nucleon mass correction. In addition, we test the effect of gauge link smearing in the operator to estimate the influence of the Wilson line renormalization, which is yet to be done.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Quasi Parton Distribution Functions in Covariant Quark Models

    hep-ph 2026-05 unverdicted novelty 7.0

    In gauge-free quark models, quasi-PDFs converge to PDFs with proven sum rules, and the Covariant Parton Model supplies closed-form small-x results that match a Wandzura-Wilczek approximation for the quark energy-momen...

  2. Hadron Structure from lattice QCD in the context of the Electron-Ion Collider

    hep-lat 2026-03 unverdicted novelty 2.0

    Lattice QCD now delivers high-precision results on hadron internal structure that directly support the scientific program of the Electron-Ion Collider.