Two-loop master integrals for a planar and a non-planar topology relevant for single top production
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Publication:6163144
DOI10.1007/JHEP05(2023)131arXiv2303.07395WikidataQ121760548 ScholiaQ121760548MaRDI QIDQ6163144
Author name not available (Why is that?)
Publication date: 26 June 2023
Published in: (Search for Journal in Brave)
Abstract: We provide analytic results for two-loop four-point master integrals with one massive propagator and one massive leg relevant to single top production. Canonical bases of master integrals are constructed and the Simplified Differential Equations approach is employed for their analytic solution. The necessary boundary terms are computed in closed form in the dimensional regulator, allowing us to obtain analytic results in terms of multiple polylogarithms of arbitrary transcendental weight. We provide explicit solutions of all two-loop master integrals up to transcendental weight six and discuss their numerical evaluation for Euclidean and physical phase-space points.
Full work available at URL: https://arxiv.org/abs/2303.07395
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