NLO inclusive J/ photoproduction at large PT at HERA and the EIC
Abstract
We study inclusive J/ photoproduction at NLO at large PT at HERA and the EIC. Our computation includes NLO QCD leading-PT corrections, QED contributions via an off-shell photon as well as those from J/+charm channels. For the latter, we employ the variable-flavour-number scheme. Our results are found to agree with the latest HERA data by H1 and provide, for the first time, a reliable estimate of the EIC reach for such a measurement. Finally, we demonstrate the observability of J/+charm production and the sensitivy to probe the non-perturbative charm content of the proton at high x, also known as intrinsic charm, at the EIC.
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