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Recursive generation of one-loop amplitudes in the Standard Model

- S. Actis, A. Denner, L. Hofer, A. Scharf, S. Uccirati
- Physics
- 27 November 2012

A bstractWe introduce the computer code Recola for the recursive generation of tree-level and one-loop amplitudes in the Standard Model. Tree-level amplitudes are constructed using off-shell currents… Expand

NLO Electroweak Corrections to Higgs Boson Production at Hadron Colliders

- S. Actis, G. Passarino, C. Sturm, S. Uccirati
- Physics
- 8 September 2008

Results for the complete NLO electroweak corrections to Standard Model Higgs production via gluon fusion are included in the total cross section for hadronic collisions. Artificially large threshold… Expand

NNLO computational techniques: The cases H→γγ and H→gg

- S. Actis, G. Passarino, C. Sturm, S. Uccirati
- Physics
- 23 September 2008

Abstract A large set of techniques needed to compute decay rates at the two-loop level are derived and systematized. The main emphasis of the paper is on the two Standard Model decays H → γ γ and H →… Expand

R E C O L A - REcursive Computation of One-Loop Amplitudes

- S. Actis, A. Denner, L. Hofer, J. Lang, A. Scharf, S. Uccirati
- Computer Science, Physics
- Comput. Phys. Commun.
- 3 May 2016

We present the Fortran95 program Recola for the perturbative computation of next-to-leading-order transition amplitudes in the Standard Model of particle physics. The code provides numerical results… Expand

Evaluation of the efficacy of Trastuzumab in patients with HER2 positive small (pT1mi/a) breast cancers. A multicenter retrospective study on 100 patients

- A. Villasco, S. Actis, +5 authors N. Biglia
- Medicine
- 1 April 2021

Quest for precision in hadronic cross sections at low energy: Monte Carlo tools vs. experimental data

- S. Actis, A. Arbuzov, +54 authors Working Group on Radiative Corrections and Monte Carlo Gen Energies
- Physics
- 3 December 2009

We present the achievements of the last years of the experimental and theoretical groups working on hadronic cross section measurements at the low-energy e+e− colliders in Beijing, Frascati, Ithaca,… Expand

Two-loop threshold singularities, unstable particles and complex masses

- S. Actis, G. Passarino, C. Sturm, S. Uccirati
- Physics
- 8 September 2008

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 impact on… Expand

Two-loop fermionic corrections to massive Bhabha scattering

- S. Actis, M. Czakon, J. Gluza, T. Riemann
- Physics
- 18 April 2007

Abstract We evaluate the two-loop corrections to Bhabha scattering from fermion loops in the context of pure quantum electrodynamics. The differential cross section is expressed by a small number of… Expand

Two-loop renormalization in the Standard Model. Part I: Prolegomena ☆

- S. Actis, A. Ferroglia, G. Passarino, M. Passera
- Physics
- 11 December 2006

In this paper the building blocks for the two-loop renormalization of the Standard Model are introduced with a comprehensive discussion of the special vertices induced in the Lagrangian by a… Expand

Two-loop renormalization in the Standard Model. Part III: Renormalization equations and their solutions

- S. Actis, G. Passarino
- Physics
- 11 December 2006

In parts I and II of this series of papers all elements have been introduced to extend, to two loops, the set of renormalization procedures which are needed in describing the properties of a… Expand

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