TL;DR
This paper investigates six-photon amplitudes as a model for studying complex one-loop diagrams and Landau singularities, specifically double parton scattering, in multi-leg processes.
Contribution
It introduces a detailed analysis of six-photon amplitudes highlighting their utility in exploring Landau singularities like double parton scattering.
Findings
Identification of Landau singularity in six-photon processes
Insights into multi-leg one-loop diagram behavior
Potential applications in high-energy physics experiments
Abstract
Thanks to the absence of tree order, the six-photon processes is a good laboratory to study multi-leg one-loop diagrams. Particularly, there are enough on-shell external legs to observe a special Landau singularity: the double parton scattering.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research