Notes on lattice observables for parton distributions: nongauge theories

Luigi Del Debbio, Tommaso Giani, Christopher J. Monahan

Research output: Contribution to journalArticlepeer-review

Abstract

We review recent theoretical developments concerning the definition and the renormalization of equal-time correlators that can be computed on the lattice and related to Parton Distribution Functions (PDFs) through a factorization formula. We show how these objects can be studied and analyzed within the framework of a nongauge theory, gaining insight through a one-loop computation. We use scalar field theory as a playground to revise, analyze and present the main features of these ideas, to explore their potential, and to understand their limitations for extracting PDFs. We then propose a framework that would allow to include the available lattice QCD data in a global analysis to extract PDFs.
Original languageEnglish
Article number21
Journal Journal of High Energy Physics
DOIs
Publication statusPublished - 2 Sep 2020

Keywords

  • hep-lat
  • hep-ph

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