Azimuthal spin asymmetries in light-cone constituent quark models
S. Boffi (Pavia U. & INFN, Pavia), A.V. Efremov (Dubna, JINR), B., Pasquini (Pavia U. & INFN, Pavia), and P. Schweitzer (Connecticut U.)
TL;DR
This paper uses a light-cone constituent quark model to calculate azimuthal spin asymmetries in semi-inclusive deep-inelastic scattering, providing predictions consistent with current data and guiding future experiments.
Contribution
It offers a comprehensive calculation of all leading-twist azimuthal spin asymmetries using a light-cone constituent quark model, including discussions on applicability and scale dependence.
Findings
Good agreement with existing experimental data
Predictions for future CLAS, COMPASS, and HERMES experiments
Analysis of the model's applicability and transverse-momentum dependence
Abstract
We present results for all leading-twist azimuthal spin asymmetries in semi-inclusive lepton-nucleon deep-inelastic scattering due to T-even transverse-momentum dependent parton distribution functions on the basis of a light-cone constituent quark model. Attention is paid to discuss the range of applicability of the model, especially with regard to the scale dependence of the observables and the transverse-momentum dependence of the distributions. We find good agreement with available experimental data and present predictions to be further tested by future CLAS, COMPASS and HERMES data.
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