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Simple one-dimensional integral representations for two-loop self-energies: the master diagram
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The scalar two-loop self-energy master diagram is studied in the case of arbitrary masses. Analytical results in terms of Lauricella- and Appell-functions are presented for the imaginary part. By using the dispersion relation a one-dimensional integral representation is derived. This representation uses only elementary functions and is thus well suited for a numerical calculation of the master diagram.
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Cited by 2 Pith papers
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TVID 2: Evaluation of planar-type three-loop self-energy integrals with arbitrary masses
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