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Resolved photons in Sherpa

Höche, Stefan; Krauss, Frank; Meinzinger, Peter

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Authors

Stefan Höche



Abstract

We present the first complete simulation framework, in the 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 and experiments, observing good overall agreement. We identify important future steps relevant for high-quality simulations at the planned Electron–Ion Collider.

Citation

Höche, S., Krauss, F., & Meinzinger, P. (2024). Resolved photons in Sherpa. The European Physical Journal C, 84(2), Article 178. https://doi.org/10.1140/epjc/s10052-024-12551-w

Journal Article Type Article
Acceptance Date Feb 11, 2024
Online Publication Date Feb 21, 2024
Publication Date 2024-02
Deposit Date Mar 19, 2024
Publicly Available Date Mar 19, 2024
Journal The European Physical Journal C
Print ISSN 1434-6044
Electronic ISSN 1434-6052
Publisher SpringerOpen
Peer Reviewed Peer Reviewed
Volume 84
Issue 2
Article Number 178
DOI https://doi.org/10.1140/epjc/s10052-024-12551-w
Public URL https://durham-repository.worktribe.com/output/2276292

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