The 3He spectral function in light-front dynamics
Matteo Rinaldi, Alessio Del Dotto, Leonid Kaptari, Emanuele Pace,, Giovanni Salm\`e, and Sergio Scopetta
TL;DR
This paper develops a Poincaré covariant light-front framework to analyze the spin-dependent spectral function of helium-3, aiming to improve extraction of neutron parton distributions from electron scattering data.
Contribution
It introduces a generalized, covariant approach within light-front dynamics to account for final state interactions in the spectral function analysis.
Findings
Framework enables more accurate neutron distribution extraction.
Inclusion of final state interactions improves analysis.
Paves the way for better interpretation of scattering experiments.
Abstract
A distorted spin-dependent spectral function for 3He is considered for the extraction of the transverse-momentum dependent parton distributions in the neutron from semi-inclusive deep inelastic electron scattering off polarized 3He at finite momentum transfers, where final state interactions are taken into account. The generalization of the analysis to a Poincar\'e covariant framework within the light-front dynamics is outlined.
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