Numerical multi-loop calculations: tools and applications
S.Borowka, G.Heinrich, S.Jahn, S.P.Jones, M.Kerner, J.Schlenk, T.Zirke
TL;DR
This paper discusses the development of computational tools, especially SecDec, for numerically evaluating complex multi-loop integrals and amplitudes in theoretical physics.
Contribution
It introduces new features of SecDec for numerical evaluation of multi-loop parametric integrals, advancing computational methods in quantum field theory.
Findings
SecDec now supports more efficient multi-loop integral calculations
The tools enable numerical evaluation beyond one-loop calculations
Applications include complex amplitude computations in particle physics
Abstract
We report on the development of tools to calculate loop integrals and amplitudes beyond one loop. In particular, we review new features of the program SecDec which can be used for the numerical evaluation of parametric integrals like multi-loop integrals.
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