Generalized parton distributions of the pion in a covariant Bethe-Salpeter model and light-front models
T. Frederico (Sao Paulo, Inst. Tech. Aeronautics), E. Pace (Roma U.,, Tor Vergata & INFN, Roma2), B. Pasquini (Pavia U. & INFN, Pavia), and G., Salme' (INFN, Roma)
TL;DR
This paper investigates the generalized parton distributions of the pion using light-front and covariant Bethe-Salpeter models, comparing results with lattice calculations across various kinematic regions.
Contribution
It provides a comparative analysis of GPDs of the pion in different light-front approaches and validates results against lattice data.
Findings
Good agreement with lattice calculations for generalized form factors
Consistent descriptions across valence and non-valence sectors
Enhanced understanding of pion structure in different kinematic regimes
Abstract
The generalized parton distributions of the pion are studied within different light-front approaches for the quark-hadron and quark-photon vertices, exploring different kinematical regions in both the valence and non-valence sector. Moments of the generalized parton distributions which enter the definition of generalized form factors are also compared with recent lattice calculations.
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