PoS - Proceedings of Science
Volume 375 - 14th International Symposium on Radiative Corrections (RADCOR2019) - Formal
Hidden Analytic Structure of Higgs Amplitudes and Maximal Transcendentality Principle
G. Yang,* Q. Jin
*corresponding author
Full text: pdf
Pre-published on: December 19, 2019
Published on: February 18, 2020
Abstract
We present the computation of two-loop Higgs plus three-parton amplitudes with dimension-seven operators in Higgs effective field theory. The computation is based on the combination of unitarity cut and integration by parts methods in an unconventional way. The analytic results take remarkably simple form. In particular, the results show that the QCD and N=4 SYM results share the same leading transcendental parts. This generalizes the so-call maximal transcendentality principle to the Higgs amplitudes with high dimension operators and also with fundamental external quark states. Further simplicity also exists in lower transcendental parts, suggesting hidden structures beyond maximal transcendentality.
DOI: https://doi.org/10.22323/1.375.0071
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