English
Related papers

Related papers: NNLOPS accurate associated HW production

200 papers

We present a next-to-next-to-leading order (NNLO) accurate description of associated HZ production, followed by the Higgs boson decay into a pair of $b$-quarks treated at next-to-leading order (NLO), consistently matched to a parton shower…

High Energy Physics - Phenomenology · Physics 2018-04-24 William Astill , Wojciech Bizon , Emanuele Re , Giulia Zanderighi

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

We describe the method used to build a simulation of Higgs boson production accurate at next-to-next-to-leading order and matched to a parton shower. The adopted procedure makes use of a combination of the POWHEG and MiNLO methods. We also…

High Energy Physics - Phenomenology · Physics 2014-05-29 Emanuele Re

We detail a simulation of Higgs boson production via gluon fusion, accurate at next-to-next-to-leading order in the strong coupling, including matching to a parton shower, yielding a fully exclusive, hadron-level description of the…

High Energy Physics - Phenomenology · Physics 2015-06-17 Keith Hamilton , Paolo Nason , Emanuele Re , Giulia Zanderighi

We present novel predictions for the production of $W^+W^-$ pairs in hadron collisions that are next-to-next-to-leading order accurate and consistently matched to a parton shower (NNLOPS). All diagrams that lead to the process $pp\to e^-…

High Energy Physics - Phenomenology · Physics 2019-01-30 Emanuele Re , Marius Wiesemann , Giulia Zanderighi

We study Higgs-boson production in association with a top-quark pair ($t\bar{t}H$) at hadron colliders and present the first matching of next-to-next-to-leading order (NNLO) QCD corrections to parton showers using the MiNNLOPS method. For…

High Energy Physics - Phenomenology · Physics 2026-03-09 Christian Biello , Chiara Savoini , Chiara Signorile-Signorile , Marius Wiesemann

We present predictions for $W^+W^-$ production (with exact decays) that are next-to-next-to-leading order (NNLO) accurate and consistently matched to a parton shower. The matching is achieved by upgrading, with MiNLO, the NLO calculation of…

High Energy Physics - Phenomenology · Physics 2018-08-29 Emanuele Re

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 consider the Higgsstrahlung process in hadronic collisions and present the computation of next-to-next-to-leading order predictions matched to parton showers for both production and $H\to b\bar{b}$ decay employing the MiNNLO$_{\rm PS}$…

High Energy Physics - Phenomenology · Physics 2022-07-06 Silvia Zanoli , Mauro Chiesa , Emanuele Re , Marius Wiesemann , Giulia Zanderighi

We present a next-to-next-to-leading order accurate description of Drell-Yan lepton pair production processes through $\gamma^*/Z$ or $W$ exchange that includes consistently parton shower effects. Results are obtained by upgrading the…

High Energy Physics - Phenomenology · Physics 2015-06-22 Alexander Karlberg , Emanuele Re , Giulia Zanderighi

We consider $W^+W^-$ production in hadronic collisions and present the computation of next-to-next-to-leading order accurate predictions consistently matched to parton showers (NNLO+PS) using the MiNNLO$_{\rm PS}$ method. Spin correlations,…

High Energy Physics - Phenomenology · Physics 2022-01-05 Daniele Lombardi , Marius Wiesemann , Giulia Zanderighi

The associated production of charged Higgs bosons and top quarks at hadron colliders is an important discovery channel to establish the existence of a non-minimal Higgs sector. Here, we present details of a next-to-leading order (NLO)…

High Energy Physics - Phenomenology · Physics 2012-10-19 M. Klasen , K. Kovarik , P. Nason , C. Weydert

We consider $Z \gamma$ production in hadronic collisions and present the first computation of next-to-next-to-leading order accurate predictions consistently matched to parton showers (NNLO+PS). Spin correlations, interferences and…

High Energy Physics - Phenomenology · Physics 2021-07-07 Daniele Lombardi , Marius Wiesemann , Giulia Zanderighi

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

We present the first NLO QCD+EW predictions for Higgs boson production in association with a l nu or l+ l- pair plus zero or one jets at the LHC. Fixed-order NLO QCD+EW calculations are combined with a QCD+QED parton shower using the…

High Energy Physics - Phenomenology · Physics 2017-09-20 Federico Granata , Jonas M. Lindert , Carlo Oleari , Stefano Pozzorini

We present an event generator that describes the Higgs boson decay into $b$-quarks at next-to-next-to-leading-order (NNLO) in QCD and allows for a consistent matching to parton shower. For this purpose, we work within the POWHEG framework…

High Energy Physics - Phenomenology · Physics 2020-06-24 Wojciech Bizon , Emanuele Re , Giulia Zanderighi

We consider Higgs production through bottom-quark annihilation at hadron colliders and we calculate next-to-next-to-leading-order (NNLO) corrections in QCD perturbation theory matched to parton showers (NNLO+PS). To this end, we have…

High Energy Physics - Phenomenology · Physics 2024-02-07 Christian Biello , Aparna Sankar , Marius Wiesemann , Giulia Zanderighi

We consider the production of a pair of heavy quarks and illustrate the derivation of the MiNNLO method to match next-to-next-to-leading order calculations with parton showers (NNLO+PS) for this class of processes. As a first application,…

High Energy Physics - Phenomenology · Physics 2022-05-04 Javier Mazzitelli , Pier Francesco Monni , Paolo Nason , Emanuele Re , Marius Wiesemann , Giulia Zanderighi

We present predictions for the production cross section of a Standard Model Higgs boson in association with a top-antitop pair at next-to-leading order accuracy using matrix elements obtained from the HELAC-Oneloop package. The NLO…

High Energy Physics - Phenomenology · Physics 2011-11-10 M. V. Garzelli , A. Kardos , C. G. Papadopoulos , Z. Trocsanyi

In this talk, we discuss recent developments in combining parton showers and fixed-order calculations. We focus on the UNNLOPS method for matching next-to-next-to-leading order computations to the parton shower, and we present results from…

High Energy Physics - Phenomenology · Physics 2015-07-21 Stefan Hoeche , Ye Li , Stefan Prestel
‹ Prev 1 2 3 10 Next ›