The spin structure of the nucleon in light-cone quark models
B. Pasquini, S. Boffi (Pavia U., INFN, Pavia), P. Schweitzer, (Connecticut U.)
TL;DR
This paper reviews the spin structure of nucleons using light-cone quark models, focusing on quark spin densities, correlations, and azimuthal asymmetries in scattering processes.
Contribution
It introduces a comprehensive analysis of quark spin densities and correlations within light-cone models, including predictions for spin asymmetries in scattering experiments.
Findings
Analysis of quark spin densities in impact-parameter space
Discussion of spin-orbit and spin-spin correlations
Predictions for azimuthal spin asymmetries in semi-inclusive scattering
Abstract
The quark spin densities related to generalized parton distributions in impact-parameter space and to transverse-momentum dependent parton distributions are reviewed within a light-cone quark model, with focus on the role of the different spin-spin and spin-orbit correlations of quarks.Results for azimuthal spin asymmetries in semi-inclusive deep-inelastic scattering due to T-even transverse-momentum dependent parton distributions are also discussed.
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