Person

Paolo Torrielli

This person is no longer with EPFL

Related publications (9)

Higgs production through vector-boson fusion at the NLO matched with parton showers

We present a study of Higgs hadroproduction through vector-boson fusion at the NLO in QCD matched with parton showers. We discuss the matching systematics affecting this process through a comparison of the aMC@NLO predictions with the POWHEG and the pure-N ...

Elsevier Science Bv2013

aMC@NLO predictions for Wjj production at the Tevatron

Valentin Hirschi, Paolo Torrielli

We use aMC@NLO to predict the l nu + 2-jet cross section at the NLO accuracy in QCD matched to parton shower simulations. We find that the perturbative expansion is well behaved for all the observables we study, and in particular for those relevant to the ...

Springer Nature2012

Single-top t-channel hadroproduction in the four-flavour scheme with POWHEG and aMC@NLO

Paolo Torrielli

We present results for the QCD next-to-leading order (NLO) calculation of single-top t-channel production in the 4-flavour scheme, interfaced to Parton Shower (PS) Monte Carlo programs according to the POWHEG and MC@NLO methods. Comparisons between the two ...

Springer Nature2012

Perturbative Techniques in Hadron Collider Physics

Paolo Torrielli

High-energy particle physics is going through a crucial moment of its history, one in which it can finally aspire to give a precise answer to some of the fundamental questions it has been conceived for. On the one side, the theoretical picture describing t ...

EPFL2012

Four-lepton production at hadron colliders: aMC@NLO predictions with theoretical uncertainties

Valentin Hirschi, Paolo Torrielli

We use aMC@NLO to study the production of four charged leptons at the LHC, performing parton showers with both HERWIG and PYTHIA6. Our underlying matrix element calculation features the full next-to-leading order O(alpha(S)) result and the O(alpha(2)(S)) c ...

Springer Nature2012

W and Z/gamma* boson production in association with a bottom-antibottom pair

Valentin Hirschi, Paolo Torrielli

We present a study of l nu b (b) over bar and l(+)l(-)b (b) over bar production at hadron colliders. Our results, accurate to the next-to-leading order in QCD, are based on automatic matrix-element calculations performed by MadLoop and MadFKS, and are give ...

Springer Nature2011

NLO QCD corrections in Herwig plus plus with MC@NLO

Paolo Torrielli

We present the calculations necessary to obtain next-to-leading order QCD precision with the Herwig++ event generator using the MC@NLO approach, and implement them for all the processes that were previously available from Fortran HERWIG with MC@NLO. We sho ...

Springer Nature2011

Scalar and pseudoscalar Higgs production in association with a top-antitop pair

Valentin Hirschi, Paolo Torrielli

We present the calculation of scalar and pseudoscalar Higgs production in association with a top-antitop pair to the next-to-leading order (NLO) accuracy in QCD, interfaced with parton showers according to the MC@NLO formalism. We apply our results to the ...

2011

Matching NLO QCD computations with PYTHIA using MC@NLO

Paolo Torrielli

We present the matching between a next-to-leading order computation in QCD and the PYTHIA parton shower Monte Carlo, according to the MC@NLO formalism. We study the case of initial-state radiation, and consider in particular single vector boson hadroproduc ...

Springer Nature2010