50 citations · 119 across the 4 of their papers we have counts for
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Two-Loop Threshold Singularities, Unstable Particles and Complex Masses
S. Actis, G. Passarino, C. Sturm +1
The effect of threshold singularities induced by unstable particles on two-loop observables is investigated and it is shown how to cure them working in the complex-mass scheme. The…
Two-loop QED hadronic corrections to Bhabha scattering
Johann H. Kühn, Sandro Uccirati
Theoretical predictions for Bhabha scattering at the two-loop level require the inclusion of hadronic vacuum polarization in the photon propagator. We present predictions for the c…
Complete Two-Loop Corrections to H -> gamma gamma
Giampiero Passarino, Christian Sturm, Sandro Uccirati
In this paper the complete two-loop corrections to the Higgs-boson decay, H -> gamma gamma, are presented. The evaluations of both QCD and electroweak corrections are based on a nu…
Numerical evaluation of non-infrared two-loop vertices
Sandro Uccirati
Some methods for the numerical computation of two-loop non-infrared vertices are reviewed. A new method is also proposed and compared to the old ones. Finally, some preliminary res…