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Related papers: Matching NLO QCD computations with Parton Shower s…

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We present the full NLO SUSY-QCD corrections to the pair production of neutralinos and charginos at the LHC in association with a jet and their matching to parton-shower programs in the framework of the POWHEG-BOX package. The code we have…

High Energy Physics - Phenomenology · Physics 2018-07-17 Julien Baglio , Barbara Jäger , Matthias Kesenheimer

We investigate the effects of combining next-to-leading order QCD results with parton-shower effects in $W^+W^-jj$ production via vector-boson fusion including leptonic decays. Using the Herwig 7 framework interfaced to VBFNLO 3, we compare…

High Energy Physics - Phenomenology · Physics 2016-07-04 Michael Rauch , Simon Plätzer

Following recent work on the combination of electroweak and strong radiative corrections to single W-boson hadroproduction in the POWHEG BOX framework, we generalize the above treatment to cover the neutral current Drell-Yan process.…

High Energy Physics - Phenomenology · Physics 2014-11-14 Luca Barze' , Guido Montagna , Paolo Nason , Oreste Nicrosini , Fulvio Piccinini , Alessandro Vicini

We present a calculation of the next-to-leading order QCD corrections to weakino+squark production processes at hadron colliders and their implementation in the framework of the POWHEG-BOX, a tool for the matching of fixed-order…

High Energy Physics - Phenomenology · Physics 2021-12-17 Julien Baglio , Gabriele Coniglio , Barbara Jager , Michael Spira

We present a novel method to combine QCD calculations at next-to-next-to-leading order (NNLO) with parton shower (PS) simulations, that can be applied to the production of heavy systems in hadronic collisions, such as colour singlets or a…

High Energy Physics - Phenomenology · Physics 2022-01-11 Pier Francesco Monni , Paolo Nason , Emanuele Re , Marius Wiesemann , Giulia Zanderighi

We present an implementation of the vector boson pair production processes ZZ, W+W- and W Z within the POWHEG framework, which is a method that allows the interfacing of NLO calculations to shower Monte Carlo programs. The implementation is…

High Energy Physics - Phenomenology · Physics 2015-05-28 Tom Melia , Paolo Nason , Raoul Röntsch , Giulia Zanderighi

We implement the recently-calculated analytic expressions for the next-to-leading order QCD corrections to $gg\to ZH$ in ggxy. This provides a flexible framework for investigating partonic and hadronic cross sections for various top quark…

High Energy Physics - Phenomenology · Physics 2026-03-18 Joshua Davies , Kay Schönwald , Matthias Steinhauser , Daniel Stremmer

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…

High Energy Physics - Phenomenology · Physics 2013-09-27 Stefano Frixione , Paolo Torrielli , Marco Zaro

We present a set of NLO SUSY-QCD calculations for the pair production of neutralinos and charginos at the LHC, and their matching to parton-shower programs in the framework of the POWHEG-BOX program package. The code we have developed…

High Energy Physics - Phenomenology · Physics 2016-07-19 Julien Baglio , Barbara Jäger , Matthias Kesenheimer

We present an implementation of Higgs-boson production in association with a hard, isolated photon via vector-boson fusion in the framework of the POWHEG BOX for the consistent matching of next-to-leading order QCD corrections with parton…

High Energy Physics - Phenomenology · Physics 2026-05-14 Barbara Jäger , Simon Reinhardt

Recent progress in calculating lepton density functions inside the proton and simulating lepton showers laid the foundations for precision studies of resonant leptoquark production at hadron colliders. Direct quark-lepton fusion into a…

High Energy Physics - Phenomenology · Physics 2022-12-14 Luca Buonocore , Admir Greljo , Peter Krack , Paolo Nason , Nudzeim Selimovic , Francesco Tramontano , Giulia Zanderighi

We present a generator for lepton nucleon collisions in the DIS regime, focusing in particular on processes with a massive lepton and/or a massive quark in the final state. We have built a full code matching NLO QCD corrections to parton…

High Energy Physics - Phenomenology · Physics 2024-06-10 Luca Buonocore , Giovanni Limatola , Paolo Nason , Francesco Tramontano

In this work we present a new subtraction method for next-to-leading order calculations that is particularly convenient even when narrow resonances are present. The method is particularly suitable for the implementation of next-to-leading…

High Energy Physics - Phenomenology · Physics 2016-01-27 Tomáš Ježo , Paolo Nason

We describe how a simulation of Higgs boson production accurate at next-to-next-to-leading order and matched to a parton shower can be built by combining the POWHEG and MiNLO methods and using HNNLO results as input.

High Energy Physics - Phenomenology · Physics 2022-03-02 Emanuele Re

In this article we present an event generator based on the Monte Carlo program Powheg in combination with the matrix-element generator Recola. We apply it to compute NLO electroweak corrections to same-sign W-boson scattering, which have…

High Energy Physics - Phenomenology · Physics 2020-02-19 Mauro Chiesa , Ansgar Denner , Jean-Nicolas Lang , Mathieu Pellen

In this article we describe simulations of Higgs boson production via the gluon fusion and Higgs-strahlung processes, using the positive weight next-to-leading-order (NLO) matching scheme, POWHEG, in the Herwig++ 2.3 event generator. This…

High Energy Physics - Phenomenology · Physics 2009-05-20 Keith Hamilton , Peter Richardson , Jon Tully

To prepare for the next generation particle collider, likely to be a high-energy precision-frontier electron-positron machine, theoretical predictions must improve in tandem. One aspect in which it is necessary to build on the progress made…

High Energy Physics - Phenomenology · Physics 2026-03-09 Lois Flower , Marek Schönherr

We consider the POWHEG generator for a H/W/Z boson plus one jet, augmented with the recently proposed MiNLO method for the choice of scales and the inclusion of Sudakov form factors. Within this framework, the generator covers all the…

High Energy Physics - Phenomenology · Physics 2015-06-12 Keith Hamilton , Paolo Nason , Carlo Oleari , Giulia Zanderighi

We present a Monte-Carlo program for the simulation of polarized deep inelastic scattering at next-to-leading order in QCD matched to parton shower programs building on an existing implementation of the unpolarized case in the POWHEG BOX…

High Energy Physics - Phenomenology · Physics 2024-07-24 Ignacio Borsa , Barbara Jäger

Photoproduction processes have gained a renewed interest following the approval of the EIC, making their implementation in Monte Carlo event generators highly desirable. We present recent efforts to develop a POWHEG BOX extension simulating…

High Energy Physics - Phenomenology · Physics 2025-09-24 Alexander Feike , Tomáš Ježo , Michael Klasen