An interface between the POWHEG BOX and MadGraph5_aMC@NLO

14 Aug 2020  ·  Nason Paolo, Oleari Carlo, Rocco Marco, Zaro Marco ·

In this paper we present a framework for developing POWHEG BOX generators using MadGraph5_aMC@NLO for the computation of the matrix elements. Within this framework, all the flexibility of MadGraph5_aMC@NLO for the generation of matrix elements for Standard Model processes and for several of its extensions can be exploited, as well as all features of the POWHEG BOX framework, including the possibility of multijet merging without a merging scale (using the so called MiNLO approach). As a proof of concept, we develop a generator for the production of a spin-0 Higgs-like boson in association with up to two jets, with CP-violating couplings.

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High Energy Physics - Phenomenology