Two-loop applications of the program SecDec
Sophia Borowka, Gudrun Heinrich
TL;DR
This paper demonstrates the application of the SecDec program to evaluate complex two-loop integrals relevant for high-energy physics, specifically in top quark production and Higgs boson mass corrections.
Contribution
It presents novel two-loop integral calculations using SecDec for processes in particle physics, expanding its practical applications.
Findings
Successful numerical evaluation of two-loop master integrals for top quark pair production
Calculation of dominant two-loop corrections to MSSM Higgs boson masses
Validation of SecDec's effectiveness for complex multi-loop integrals
Abstract
SecDec is a program which can be used for the factorisation of poles and subsequent numerical evaluation of multi-loop integrals, in particular massive two-loop integrals. We show applications to two-loop master integrals entering the calculation of top quark pair production at NNLO, and to the dominant momentum dependent two-loop corrections to the neutral Higgs boson masses in the MSSM.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Superconducting Materials and Applications · Particle Accelerators and Free-Electron Lasers