Speaker
Vasily Sotnikov
(University of Zurich)
Description
Complete N3LO predictions require knowledge of the splitting functions at four loops. In this talk, I discuss our calculation of the four-loop non-singlet splitting functions from off-shell operator matrix elements. We obtain complete results with exact x-dependence for all non-singlet splitting functions and extract the virtual and rapidity anomalous dimensions in analytical form.
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Authors
Andreas von Manteuffel
(Universität Regensburg)
Thomas Gehrmann
(Universität Zürich)
Tongzhi Yang
Vasily Sotnikov
(University of Zurich)