2 papers
hep-th2025
Maximal Unitarity for the Four-Mass Double Box
Henrik Johansson, David A. Kosower, Kasper J. Larsen
We extend the maximal-unitarity formalism at two loops to double-box integrals with four massive external legs. These are relevant for higher-point processes, as well as for heavy…
hep-th2025
Two-Loop Maximal Unitarity with External Masses
Henrik Johansson, David A. Kosower, Kasper J. Larsen
We extend the maximal unitarity method at two loops to double-box basis integrals with up to three external massive legs. We use consistency equations based on the requirement that…