Lattice Generalized Parton Distributions and Form Factors of the Nucleon
Martha Constantinou
TL;DR
This paper reviews recent lattice QCD simulations of nucleon structure at near-physical pion masses, focusing on axial charge, parton distributions, and gluon contributions to nucleon spin.
Contribution
It presents new lattice QCD results for nucleon observables at physical pion mass, enhancing understanding of nucleon spin structure and parton contributions.
Findings
Axial charge close to experimental values
First moments of parton distributions analyzed
Gluon momentum fraction evaluated
Abstract
In these proceedings we discuss recent progress in nucleon structure using lattice QCD simulations at or near the physical value of the pion mass. Main focus will be given in observables such as the nucleon axial charge and the first moments of parton distributions, for both the valence and sea quark contributions, and discuss their implications on the spin content of the nucleon. We will will also report developments on the evaluation of the gluon momentum fraction, which contributes significantly to the nucleon spin.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Nuclear physics research studies · Particle physics theoretical and experimental studies