Abstract
The calculation of two-loop Feynman integrals within the dimensional regularization scheme requires the knowledge of scalar one-loop integrals up to the linear term inD-4. We give the corresponding explicit expressions in terms of polylogarithms for the general one-, two-and three-point function and for a special case of the fourpoint function needed for vertex corrections. Our results are valid in all kinematical regions for real masses and momenta.
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Nierste, U., Müller, D. & Böhm, M. Two-loop relevant parts ofD-dimensional massive scalar one-loop integrals. Z. Phys. C - Particles and Fields 57, 605–613 (1993). https://doi.org/10.1007/BF01561479
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DOI: https://doi.org/10.1007/BF01561479