NLO Higgs boson production via gluon fusion matched with shower in POWHEG
Simone Alioli, Paolo Nason, Carlo Oleari, Emanuele Re
TL;DR
This paper introduces a next-to-leading order calculation for Higgs boson production via gluon fusion, integrated with shower Monte Carlo programs using the POWHEG method, and compares it with other models and data from Tevatron and LHC.
Contribution
It provides a novel implementation of NLO Higgs production in POWHEG and offers detailed comparisons with existing methods and data.
Findings
Good agreement with MC@NLO and PYTHIA for key observables
Consistent with NNLO and resummed results within uncertainties
Enhanced understanding of Higgs production modeling at colliders
Abstract
We present a next-to-leading order calculation of Higgs boson production via gluon fusion interfaced to shower Monte Carlo programs, implemented according to the POWHEG method. A detailed comparison with MC@NLO and PYTHIA is carried out for several observables, for the Tevatron and LHC colliders. Comparisons with next-to-next-to-leading order results and with resummed ones are also presented.
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