Radiative Corrections: From Medium to High Energy Experiments
Andrei Afanasev, Jan C. Bernauer, Peter Blunden, Johannes Bl\"umlein,, Ethan W. Cline, Jan M. Friedrich, Franziska Hagelstein, Tom\'a\v{s} Husek,, Michael Kohl, Fred Myhrer, Gil Paz, Susan Schadmand, Axel Schmidt, Vladyslava, Sharkovska, Adrian Signer, Oleksandr Tomalak
TL;DR
This paper reviews the current state of radiative corrections in high-energy physics, emphasizing lepton-proton scattering, QED corrections, and the two-photon exchange, highlighting their importance for precision experiments and ongoing research needs.
Contribution
It provides a comprehensive overview of radiative correction topics, focusing on recent developments and challenges in theoretical modeling and experimental validation.
Findings
Two-photon exchange may explain proton form-factor discrepancy
Monte-Carlo codes are essential for radiative correction simulations
Continued development of theoretical techniques is vital for precision physics
Abstract
Radiative corrections are crucial for modern high-precision physics experiments, and are an area of active research in the experimental and theoretical community. Here we provide an overview of the state of the field of radiative corrections with a focus on several topics: lepton-proton scattering, QED corrections in deep-inelastic scattering, and in radiative light-hadron decays. Particular emphasis is placed on the two-photon exchange, believed to be responsible for the proton form-factor discrepancy, and associated Monte-Carlo codes. We encourage the community to continue developing theoretical techniques to treat radiative corrections, and perform experimental tests of these corrections.
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