Pion parton distribution functions and pion-nucleus induced J/ψ production in extended light-front holographic QCD
Abstract
We determine the pion parton distribution functions (PDFs) from its light-front wave functions, obtained using the holographic Schrödinger equation of light-front chiral QCD combined with the 't Hooft equation in (1+1)-dimensional QCD at large Nc. We analyze the large-x behavior of the valence PDF, (1-x)β effv, finding overall consistency with global analyses. These pion PDFs, together with nuclear PDFs, are then used to compute the differential cross sections up to next-to-leading order for inclusive J/ψ production in pion--nucleus collisions, which show good agreement with experimental data across different energies and nuclear targets.
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