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Updated: Oct 6, 2025

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Two-Loop Helicity Amplitudes for Diphoton Plus Jet Production in Full Color
Bakul Agarwal1, Federico Buccioni2, Andreas von Manteuffel1
1Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
Abstract:
We present the two-loop QCD amplitudes for the production of two photons and a jet at hadron colliders with full-color dependence. This is the first time that radiative corrections for a five-particle scattering process have been computed beyond the leading-color approximation at this perturbative order in QCD. The results presented in this Letter will be crucial to guaranteeing reliable predictions with unprecedented precision for diphoton production at hadron colliders. The methodologies that we describe lead to a significant simplification of the calculation and their applicability extends to a wider range of five-point scattering processes.
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