Modelling the nucleon structure
M. Burkardt (New Mexico State U.), B. Pasquini (Pavia U. and, INFN-Pavia)
TL;DR
This paper reviews current models of nucleon structure, focusing on generalized parton distributions and Wigner distributions, to interpret quark and gluon dynamics within the nucleon.
Contribution
It introduces a comprehensive review of quark models and their application to understanding nucleon structure through advanced parton distributions.
Findings
Generalized transverse momentum dependent distributions provide new insights.
Wigner distributions unify features of different parton distributions.
Models help interpret quark and gluon dynamics.
Abstract
We review the status of our understanding of nucleon structure based on the modelling of different kinds of parton distributions. We use the concept of generalized transverse momentum dependent parton distributions and Wigner distributions, which combine the features of transverse-momentum dependent parton distributions and generalized parton distributions. We revisit various quark models which account for different aspects of these parton distributions. We then identify applications of these distributions to gain a simple interpretation of key properties of the quark and gluon dynamics in the nucleon.
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