QCD factorization for twist-three axial-vector parton quasidistributions
V. M. Braun, Yao Ji, Alexey Vladimirov
Abstract
A bstract The transverse component of the axial-vector correlation function of quark fields is a natural starting object for lattice calculations of twist-3 nucleon parton distribution functions. In this work we derive the corresponding factorization expression in terms of twist-2 and twist-3 collinear distributions to one-loop accuracy. The results are presented both in position space, as the factorization theorem for Ioffe-time distributions, and in momentum space, for the axial-vector quasi- and pseudodistributions.
Topics & Concepts
PartonFactorizationTwistPhysicsWeierstrass factorization theoremQuantum chromodynamicsParticle physicsLattice QCDQuarkPosition and momentum spaceLattice (music)Quantum electrodynamicsMathematicsQuantum mechanicsGeometryAlgorithmAcousticsParticle physics theoretical and experimental studiesQuantum Chromodynamics and Particle InteractionsHigh-Energy Particle Collisions Research