Transverse pion structure beyond leading twist in constituent models
C. Lorc\'e (Ecole Polytechnique, CPHT), B. Pasquini (Pavia U. & INFN,, Pavia), and P. Schweitzer (Connecticut U., Tubingen U.)
TL;DR
This paper explores the transverse momentum dependent structure of pions beyond leading twist using light-front constituent models, comparing with bag and spectator models to enhance understanding relevant for Drell-Yan experiments.
Contribution
It introduces a detailed analysis of pion TMDs beyond leading twist within a light-front constituent model and compares results with bag and spectator models.
Findings
Derived new results for pion TMDs in various models.
Highlighted differences in TMDs beyond leading twist.
Provided insights for interpreting Drell-Yan experiments.
Abstract
The understanding of the pion structure as described in terms of transverse-momentum dependent parton distribution functions (TMDs) is of importance for the interpretation of currently ongoing Drell-Yan experiments with pion beams. In this work we discuss the description of pion TMDs beyond leading twist in a pion model formulated in the light-front constituent framework. For comparison, we also review and derive new results for pion TMDs in the bag and spectator models.
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