Volume 469 - 31st International Workshop on Deep Inelastic Scattering (DIS2024) - WG1: Structure Functions and Parton Densities
Lattice QCD extraction of the $\eta_{c}$-meson $t$-dependent parton distribution function
J.M. Morgado Chávez*, B. Blossier, C. Mezrag and T. San José
*: corresponding author
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Pre-published on: December 27, 2024
Published on: January 16, 2025
Abstract
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 $\eta_{c}$-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 $\eta_{c}$-meson Ioffe time valence $t$-dependent parton distribution function at a renormalization scale of $3~\textrm{GeV}$.
DOI: https://doi.org/10.22323/1.469.0055
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