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Recursive generation of one-loop amplitudes in the Standard Model
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 currentsExpand
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  • Open Access
NNLO computational techniques: The cases H→γγ and H→gg
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
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R E C O L A - REcursive Computation of One-Loop Amplitudes
tl;dr
We present the Fortran95 program Recola2  for the perturbative computation of next-to-leading-order transition amplitudes in the Standard Model of particle physics and extended Higgs sectors. Expand
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  • Open Access
NLO Electroweak Corrections to Higgs Boson Production at Hadron Colliders
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 thresholdExpand
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  • Open Access
Quest for precision in hadronic cross sections at low energy: Monte Carlo tools vs. experimental data
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
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  • Open Access
Two-loop fermionic corrections to massive Bhabha scattering
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 ofExpand
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  • Open Access
Dominant NNLO corrections to four-fermion production near the W-pair production threshold
Abstract We calculate the parametrically dominant next-to-next-to-leading order corrections to four-fermion production e − e + → μ − ν ¯ μ u d ¯ + X at centre-of-mass energies near the W -pairExpand
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  • Open Access
Two-loop threshold singularities, unstable particles and complex masses
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 onExpand
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  • Open Access
Two-loop renormalization in the Standard Model. Part I: Prolegomena ☆
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 aExpand
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  • Open Access
Virtual hadronic and leptonic contributions to Bhabha scattering.
Using dispersion relations, we derive the complete virtual QED contributions to Bhabha scattering due to vacuum polarization effects. We apply our result to hadronic corrections and to heavy leptonExpand
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  • Open Access