289 citations · 1.4k across the 40 of their papers we have counts for
6 papers · 1 filter
FormCalc 7.5
S. Agrawal, T. Hahn, E. Mirabella
We present additions and improvements in Version 7.5 of FormCalc, most notably OPP methods, Output in C, MSSM initialization via FeynHiggs, and Analytic tensor reduction, as well a…
The Integrand Reduction of One- and Two-Loop Scattering Amplitudes
P. Mastrolia, E. Mirabella, G. Ossola +2
The integrand-level methods for the reduction of scattering amplitudes are well-established techniques, which have already proven their effectiveness in several applications at one…
Integrand Reduction for Two-Loop Scattering Amplitudes through Multivariate Polynomial Division
Pierpaolo Mastrolia, Edoardo Mirabella, Giovanni Ossola +1
We describe the application of a novel approach for the reduction of scattering amplitudes, based on multivariate polynomial division, which we have recently presented. This techni…
Scattering Amplitudes from Multivariate Polynomial Division
Pierpaolo Mastrolia, Edoardo Mirabella, Giovanni Ossola +1
We show that the evaluation of scattering amplitudes can be formulated as a problem of multivariate polynomial division, with the components of the integration-momenta as indetermi…
Integrand reduction of one-loop scattering amplitudes through Laurent series expansion
Pierpaolo Mastrolia, Edoardo Mirabella, Tiziano Peraro
We present a semi-analytic method for the integrand reduction of one-loop amplitudes, based on the systematic application of the Laurent expansions to the integrand-decomposition.…
Massive particles and unitarity cuts
Ruth Britto, Edoardo Mirabella
We present an extension of the spinor integration formalism of one loop amplitudes from the double-cut to the single-cut case. This technique can be applied for the computation of…