Accessing pion GPDs through the Sullivan process: is it feasible?

Describing hadronic structure is one of the most intriguing problems in physics. In this respect, generalized parton distributions (GPDs) constitute an outstanding tool, allowing to draw “three dimensional pictures” of hadron’s inside. Starting from contemporary models for pion’s GPDs fulfilling all...

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Published inSuplemento de la Revista Mexicana de Física Vol. 3; no. 3
Main Authors Morgado Chávez, Jose Mannuel, Bertone, Valerio, Defurne, Maxime, De Soto, Feliciano, Mezrag, Cédric, Moutarde, Hervé, Rodríguez Quintero, José, Segovia, Jorge
Format Journal Article
LanguageEnglish
Published 29.07.2022
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Summary:Describing hadronic structure is one of the most intriguing problems in physics. In this respect, generalized parton distributions (GPDs) constitute an outstanding tool, allowing to draw “three dimensional pictures” of hadron’s inside. Starting from contemporary models for pion’s GPDs fulfilling all constraints imposed by QCD, we compute Compton form factors of pions subjected to deeply virtual Compton scattering. We show CFF’s behaviour to be gluon-dominated at EIC’s kinematics. Finally we evaluate lepton-beam-spin asymmetries in the Sullivan process, demonstrating the existence of such and thus triggering optimism about the possibility of probing pion’s 3D structure at electron-ion colliders.
ISSN:2683-2585
2683-2585
DOI:10.31349/SuplRevMexFis.3.0308099