The formalism of short-distance factorization, conveyed through the pseudo-distribution approach, connects space-like and light-cone correlators and thus allows for the extraction in lattice QCD of a number of parton distributions. We compute the t-dependent parton distribution function of valence quarks in a ηc-meson. After reviewing the main ideas behind the pseudo-distribution formalism, and relying on the analytic structure of Ioffe-time distributions, we come up with a proposal for a model-independent extraction of t-dependent parton distribution functions. We present results for the ηc-meson Ioffe time valence t-dependent parton distribution function at a renormalization scale of 3~GeV.
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Blossier et al. (2024) studied this question.
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