Counting master integrals: Integration-by-parts procedure with effective mass |
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Authors: | Bernd A. Kniehl Anatoly V. Kotikov |
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Affiliation: | II. Institut für Theoretische Physik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany |
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Abstract: | We show that the new relation between master integrals recently obtained in M.Yu. Kalmykov and B.A. Kniehl (2011) [1] can be reproduced using the integration-by-parts technique implemented with an effective mass. In fact, this relation is recovered as a special case of a whole family of new relations between master integrals. |
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Keywords: | Two-loop sunset Differential equation Multiloop calculations |
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