Quark channel

Gluon channel

Reference

• Thomas Gehrmann, Andreas von Manteuffel, Lorenzo Tancredi:
  "The two-loop helicity amplitudes for qq' -> V1V2 -> 4 leptons",
  arXiv:1503.04812

Reference

• Andreas von Manteuffel, Lorenzo Tancredi:
  "The two-loop helicity amplitudes for gg -> V1V2 -> 4 leptons",
  arXiv:1503.08835

Downloads: amplitudes

• bare form factors exact in d: class A, class B, class C (Form format)
• finite form factors in qt-scheme: class A, class B, class C (Form format)
• relations for projectors: Aj of taui, taui of Aj (Form format)
• numerical implementation of form factors: qqvvamp package (C++,
  requires GiNaC)

Downloads: amplitudes

• bare form factors exact in d: class A (Form format)
• finite form factors in qt-scheme: class A (Form format)
• relations for projectors: Pj of Tjdag (Form format)
• numerical implementation of form factors: ggvvamp package (C++,
  requires GiNaC)

Downloads: master integrals

• master integral definitions: Mathematica, Form format
• master integral traditional solutions: Mathematica, Form format
• master integral optimised solutions: Mathematica, Form format
• master integral crossing relations: Mathematica, Form format
• integral families, kinematics (in Reduze 2 format)