Work

Auxiliary mass flow method for master integrals around non-analytic points

Year: 2024

Type: conference-paper

Abstract: The calculation of phase-space integrals via reverse unitarity and differential equations often faces bottlenecks in fixing boundary conditions. In this talk we present a general and analytical method to derive boundary conditions for phase-space master integrals. Our strategy is based on the auxiliary mass flow method (AMFlow), but it is purely analytic. It is suited for the calculation of boundary conditions near the non-analytic endpoint region of phase space integrals, where a numerical approach is not feasible. We present some applications to DIS-like phase space integrals at two-loops.

Source: Loops and Legs in Quantum Field Theory (LL)

DOI: 10.22323/1.467.0072

Author: Gaia Fontana

Institution: University of Zurich

Language: English

Topic: Particle physics theoretical and experimental studies

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: hybrid

Funders: National Science Foundation, European Commission, Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

Awards: G2124226988, Precision Theory for High Energy Collider Physics, G434337789, G5599649393, G628552264