On convergence properties of GPD expansion through Mellin/conformal moments and orthogonal polynomials

We examine convergence properties of reconstructing the generalized parton distributions (GPDs) through the universal moment parameterization (GUMP). We provide a heuristic explanation for the connection between the formal summation/expansion and the Mellin-Barnes integral in the literature, and spe...

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Bibliographic Details
Main Authors: Hao-Cheng Zhang, Xiangdong Ji
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Nuclear Physics B
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0550321324003286
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