Five-parton amplitudes with two-quark and two-photon at Next-to-Leading Order
Yoshiaki Yasui
Abstract
We discuss one-loop five-parton amplitudes with two-quark two-photon or three-photon external legs. The amplitudes are required to evaluate the NLO corrections for the γγjet production process at hadron colliders. The results have been already discussed by several groups in terms of QCD amplitudes. Here, we present more straightforward version of one-loop calculations without using the QCD amplitudes.
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