Moments of axial-vector GPD from lattice QCD: quark helicity, orbital angular momentum, and spin-orbit correlation

Moments of axial-vector GPD from lattice QCD: quark helicity, orbital angular momentum, and spin-orbit correlation

Abstract In this work, we present a lattice QCD calculation of the Mellin moments of the twist-2 axial-vector generalized parton distribution (GPD), H ~ x ξ t $$ \overset{\sim }{H}\left(x,\xi, t\right) $$ , at zero skewness, ξ, with multiple values of the momentum transfer, t. Our analysis employs t...

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Bibliographic Details
Main Authors:	Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou, Xiang Gao, Andreas Metz, Joshua Miller, Swagato Mukherjee, Peter Petreczky, Fernanda Steffens, Yong Zhao
Format:	Article
Language:	English
Published:	SpringerOpen 2025-01-01
Series:	Journal of High Energy Physics
Subjects:	Hadronic Spectroscopy Structure and Interactions Lattice QCD Parton Distributions
Online Access:	https://doi.org/10.1007/JHEP01(2025)146
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