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Note on lattice regularization and equal-time correlators for parton distribution functions

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arxiv 1706.04428 v2 pith:6W3JVQN7 submitted 2017-06-14 hep-lat hep-ph

G.C. Rossi , M. Testa This is my paper · ORCID
classification hep-lathep-ph
keywords correlatorsdistributionfunctionslatticepartonregularizationcircumventconsists
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We show that a recent interesting idea to circumvent the difficulties with the continuation of parton distribution functions to the Euclidean region, that consists in looking at equal time correlators between proton states of infinite momentum, encounters some problems related to the power divergent mixing pattern of DIS operators, when implemented within the lattice regularization.

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Cited by 3 Pith papers

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

  1. Parton Distribution Functions from Ioffe time pseudo-distributions

    hep-lat 2019-08 conditional novelty 6.0 of 10

    A dynamical lattice QCD calculation using Ioffe-time pseudo-distributions produces an isovector nucleon valence PDF and first two moments at M_pi ~ 400 MeV, with estimates of lattice-spacing and finite-volume systematics.

  2. Towards nucleon structure function moments and parton momentum fractions from lattice QCD

    hep-lat 2025-05 conditional novelty 5.0 of 10

    Using the Feynman-Hellmann approach in lattice QCD, the authors estimate the nucleon's isovector parton momentum fraction <x>_{u-d}=0.141(8) at mu^2=4 GeV^2 and the physical F2 moment 0.177(22) at Q^2 ~ 5 GeV^2, consi...

  3. Mapping Parton Distributions of Hadrons with Lattice QCD

    hep-lat 2025-06 accept

    A review of lattice QCD methods and results for x-dependent parton distribution functions and generalized parton distributions of hadrons.

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