Volume 303 - Loops and Legs in Quantum Field Theory (LL2018) - Parallel 8
Automated extraction of UV counterterms for arbitrary local operators
B. Ruijl
Full text: pdf
Published on: October 02, 2018
Abstract
We sketch how the $R^*$-operation can be used to compute the pole terms of
Feynman diagrams. As an example, we briefly discuss the computatation of the
Higgs decay to gluons. Next, we illustrate how
\MSbar{} counterterms can be obtained with the $R^*$-operation.
Finally, we describe how the UV counterterm of any $L$-loop Feynman
diagram with arbitrary local operators can be computed from
$L-1$-loop massless propagator diagrams.
DOI: https://doi.org/10.22323/1.303.0066
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