Harmonic polylogarithms for massive Bhabha scattering
classification
✦ hep-ph
keywords
integralsanalyticalbhabhadiscussgplsharmonicmassivemaster
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One- and two-dimensional harmonic polylogarithms, HPLs and GPLs, appear in calculations of multi-loop integrals. We discuss them in the context of analytical solutions for two-loop master integrals in the case of massive Bhabha scattering in QED. For the GPLs we discuss analytical representations, conformal transformations, and also their transformations corresponding to relations between master integrals in the s- and t-channel.
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