Calabi-Yau Feynman integrals in gravity: $\varepsilon$-factorized form for apparent singularities
High Energy Physics - Theory
2025-04-08 v2 General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
Abstract
We study a recently identified four-loop Feynman integral that contains a three-dimensional Calabi-Yau geometry and contributes to the scattering of black holes in classical gravity at fifth post-Minkowskian and second self-force order (5PM 2SF) in the conservative sector. In contrast to previously studied Calabi-Yau Feynman integrals, the higher-order differential equation that this integral satisfies in dimensional regularization exhibits -dependent apparent singularities. We introduce an appropriate ansatz which allows us to bring such cases into an -factorized form. As a proof of principle, we apply it to the integral at hand.
Cite
@article{arxiv.2412.12057,
title = {Calabi-Yau Feynman integrals in gravity: $\varepsilon$-factorized form for apparent singularities},
author = {Hjalte Frellesvig and Roger Morales and Sebastian Pögel and Stefan Weinzierl and Matthias Wilhelm},
journal= {arXiv preprint arXiv:2412.12057},
year = {2025}
}
Comments
45 pages, 3 Figures, one ancillary file in Mathematica format; v2: corresponds to published version