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Communication Dans Un Congrès Année : 2022

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

Résumé

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.

Dates et versions

hal-03644406 , version 1 (19-04-2022)

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Jose Mannuel Morgado Chávez, Valerio Bertone, Maxime Defurne, Feliciano de Soto, Cédric Mezrag, et al.. Accessing pion GPDs through the Sullivan process: is it feasible?. 19th International Conference on Hadron Spectroscopy and Structure, Jul 2021, Mexico City, Mexico. pp.0308099, ⟨10.31349/SuplRevMexFis.3.0308099⟩. ⟨hal-03644406⟩
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