Numerical evaluation of two-loop integrals with pySecDec

TL;DR

pySecDec is a computational tool designed to numerically evaluate complex multi-dimensional integrals with endpoint singularities, facilitating higher-order perturbative calculations in theoretical physics.

Contribution

The paper introduces pySecDec, a new program that efficiently factorizes endpoint singularities in multi-dimensional integrals for numerical evaluation.

Findings

Successfully handles integrals with endpoint singularities

Enhances the ability to perform higher-order perturbative calculations

Provides user guidance and addresses common usage questions

Abstract

We describe the program pySecDec, which factorises endpoint singularities from multi-dimensional parameter integrals and can serve to calculate integrals occurring in higher order perturbative calculations numerically. We focus on the new features and on frequently asked questions about the usage of the program.