GKZ hypergeometric systems of the four-loop vacuum Feynman integrals
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DOI: 10.1007/jhep03(2025)013
Abstract: Basing on Mellin-Barnes representations and Miller’s transformation, we present the Gel’fand-Kapranov-Zelevinsky (GKZ) hypergeometric systems of 4-loop vacuum Feynman integrals with arbitrary masses. Through the GKZ hypergeometric systems, the analytical hypergeometric solutions of 4-loop vacuum Feynman… read more here.
Keywords: hypergeometric systems; loop vacuum; gkz hypergeometric; vacuum feynman ... See more keywords