Preprint
Aug 2026
Low-$x$ parton densities accounting for absorptive effects and exclusive $J/\psi$ and $\Upsilon$ data from the LHC
Based on the combined Deep-Inelastic Scattering (DIS) data from HERA and the exclusive $J/\psi$ and $\Upsilon$ cross sections measured at the LHC, we investigate the role of absorptive corrections on the low-$x$ behaviour of parton distribution functions (PDFs) at low and moderate scales. Using $\texttt{xFitter}$, we s...
V. Bertone, C. Flett, A. D. Martin et al.
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