https://doi.org/10.1140/epjc/s10052-024-12551-w
Regular Article - Theoretical Physics
Resolved photons in Sherpa
1
Fermi National Accelerator Laboratory, 60510, Batavia, IL, USA
2
Institute for Particle Physics Phenomenology, Durham University, DH1 3LE, Durham, UK
c
peter.meinzinger@durham.ac.uk
Received:
25
January
2024
Accepted:
11
February
2024
Published online:
21
February
2024
We present the first complete simulation framework, in the SHERPA event generator, for resolved photon interactions at next-to leading order accuracy. It includes photon spectra obtained through the equivalent-photon approximation, parton distribution functions to parametrize the hadronic structure of quasi-real photons, the matching of the parton shower to next-to leading order QCD calculations for resolved photon cross sections, and the modelling of multiple-parton interactions. We validate our framework against a wide range of photo-production data from LEP and HERA experiments, observing good overall agreement. We identify important future steps relevant for high-quality simulations at the planned Electron–Ion Collider.
© The Author(s) 2024
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Funded by SCOAP3.
