Evaluating scattering amplitudes with pySecDec 1.6

Abstract

pSecDec is a computer tool to evaluate Feynman integrals and their weighted sums (amplitudes) using the method of sector decomposition and numerical integration. The new release of pySecDec version 1.6 comes with a significant performance boost (3x-9x in common scenarios), and new features to make the evaluation and asymptotic expansion of amplitudes and integrals easier and faster. In this article we briefly review these features.

Comments: Contribution to the proceedings of RADCOR2023; partially overlaps with 2305.19768