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- Title
Three-loop massive form factors: complete light-fermion and large-N<sub>c</sub> corrections for vector, axial-vector, scalar and pseudo-scalar currents.
- Authors
Lee, Roman N.; Smirnov, Alexander V.; Smirnov, Vladimir A.; Steinhauser, Matthias
- Abstract
We compute the three-loop QCD corrections to the massive quark form factors with external vector, axial-vector, scalar and pseudo-scalar currents. All corrections with closed loops of massless fermions are included. The non-fermionic part is computed in the large-Nc limit, where only planar Feynman diagrams contribute.
- Subjects
LOOPS (Group theory); QUARKS; SUPERSYMMETRY; PARTICLE physics; FEYNMAN diagrams
- Publication
Journal of High Energy Physics, 2018, Vol 2018, Issue 5, p1
- ISSN
1126-6708
- Publication type
Article
- DOI
10.1007/JHEP05(2018)187