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DTSTART;TZID=Europe/Paris:20210708T110000
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DTSTAMP:20260412T042353
CREATED:20220620T163008Z
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UID:7850-1625742000-1625745600@www.lapth.cnrs.fr
SUMMARY:Modern methods for scattering amplitudes\, with an application to di-photon plus jet production at two-loop order in QCD (remote talk)
DESCRIPTION:Scattering amplitudes play a central role in our understanding of the fundamental laws of nature. On the one hand they constitute the bridge between theory and experiments\, allowing to compute predictions starting from a theoretical model. On the other\, they shed light on the underlying properties of quantum field theories. To both ends\, analytic results for multi-particle multi-loop amplitudes are in high demand. In particular\, the foremost and most urgent challenge is currently represented by five-particle amplitudes at two-loop order. Despite the dramatic recent progress\, such computations remain formidable tasks. I review the cutting edge mathematical methods used in the analytic calculation of scattering amplitudes. As an application\, I present the recent computation of the gluon-initiated contribution to di-photon plus jet production up to two loops in QCD.
URL:https://www.lapth.cnrs.fr/event/modern-methods-for-scattering-amplitudes-with-an-application-to-di-photon-plus-jet-production-at-two-loop-order-in-qcd-remote-talk/
CATEGORIES:Weekly seminars
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