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hep-ph2018
The parameter at three loops and elliptic integrals
J. Blümlein, A. De Freitas, M. van Hoeij +3
We describe the analytic calculation of the master integrals required to compute the two-mass three-loop corrections to the parameter. In particular, we present the calculation…
hep-ph2017
Iterative and Iterative-Noniterative Integral Solutions in 3-Loop Massive QCD Calculations
J. Ablinger, A. Behring, J. Blümlein +6
Various of the single scale quantities in massless and massive QCD up to 3-loop order can be expressed by iterative integrals over certain classes of alphabets, from the harmonic p…