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Vector-boson fusion processes are an important tool for the study of electroweak symmetry breaking at hadron colliders, since they allow to distinguish a light Higgs boson scenario from strong weak boson scattering. We here consider the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Barbara Jager , Carlo Oleari , Dieter Zeppenfeld

We give an overview of our calculation of the next-to-next-to-leading order (NNLO) QCD corrections to W + jet production in hadronic collisions. Phenomenological results for multiple differential distributions are compared to CMS data for 8…

High Energy Physics - Phenomenology · Physics 2018-07-25 Aude Gehrmann-De Ridder , Thomas Gehrmann , Nigel Glover , Alexander Huss , Duncan Walker

Data from e+e- annihilation into hadrons collected by the JADE experiment at centre-of-mass energies between 14 GeV and 44 GeV are used to study the four-jet event production rate as a function of the Durham jet algorithm's resolution…

High Energy Physics - Experiment · Physics 2012-05-21 J. Schieck , S. Bethke , O. Biebel , S. Kluth , P. A. Movilla Fernandez , C. Pahl , the JADE Collaboration

We obtain the next-to-next-to-leading order corrections to transverse-momentum spectra of W, Z and Higgs bosons near the partonic threshold. In the threshold limit, the electroweak boson recoils against a low-mass jet and all radiation is…

High Energy Physics - Phenomenology · Physics 2015-06-17 Thomas Becher , Guido Bell , Christian Lorentzen , Stefanie Marti

We present a fully-differential calculation of the $H\rightarrow b\overline{b}$ decay at next-to-next- to-next-to-leading order (N$^3$LO) accuracy. Our calculation considers diagrams in which the Higgs boson couples directly to the bottom…

High Energy Physics - Phenomenology · Physics 2019-04-30 Roberto Mondini , Matthew Schiavi , Ciaran Williams

We present a next-to-leading order QCD calculation for the single-inclusive production of collimated jets at hadron colliders, when the jet is defined by maximizing a suitable jet function that depends on the momenta of final-state…

High Energy Physics - Phenomenology · Physics 2015-03-05 Tom Kaufmann , Asmita Mukherjee , Werner Vogelsang

In this article we calculate the next-to-leading order (NLO) QCD corrections for single on-shell top-quark production in association with two jets at proton-proton colliders. The tW channel is assumed to be measured independently. The QCD…

High Energy Physics - Phenomenology · Physics 2020-01-29 Stefan Mölbitz , Le Duc Ninh , Peter Uwer

We study electron-positron annihilations into six jets at the parton level in perturbative Quantum Chromo-Dynamics. We use helicity amplitude methods. Results are presented for the case of the Durham and Cambridge jet clustering algorithms…

High Energy Physics - Phenomenology · Physics 2009-10-30 Stefano Moretti

Inspired by the recent observation of the Higgs boson radiative decay into $Z^0$ by {\tt ATLAS} and {\tt CMS} Collaborations, we investigate the next-to-leading-order (NLO) electroweak correction to this rare decay process in Standard Model…

High Energy Physics - Phenomenology · Physics 2024-09-23 Wen-Long Sang , Feng Feng , Yu Jia

We discuss the production of top--anti-top quark pairs in association with a hard jet at the Tevatron and at the LHC and we report on the calculation of the next-to-leading order QCD corrections to this process. Numerical results for the…

High Energy Physics - Phenomenology · Physics 2009-04-14 Stefan Dittmaier , Peter Uwer , Stefan Weinzierl

With the advent of generalized unitarity and parametric integration techniques, the construction of a generic Next-to-Leading Order Monte Carlo becomes feasible. Such a generator will entail the treatment of QCD color in the amplitudes. We…

High Energy Physics - Phenomenology · Physics 2014-11-20 Walter Giele , Zoltan Kunszt , Jan Winter

Vector-boson fusion processes constitute an important class of reactions at hadron colliders, both for signals and backgrounds of new physics in the electroweak interactions. We consider what is commonly referred to as W+W- production via…

High Energy Physics - Phenomenology · Physics 2009-11-11 Barbara Jager , Carlo Oleari , Dieter Zeppenfeld

Studying the substructure of jets has become a powerful tool for event discrimination and for studying QCD. Typically, jet substructure studies rely on Monte Carlo simulation for vetting their usefulness; however, when possible, it is also…

High Energy Physics - Phenomenology · Physics 2015-03-20 Andrew J. Larkoski

We present for the first time resummed predictions at NLO + NLL' accuracy for the Durham jet-resolution scales $y_{n,n+1}$ in multijet production in $e^+e^-$ collisions. Results are obtained using an implementation of the well known CAESAR…

High Energy Physics - Phenomenology · Physics 2020-05-20 Nick Baberuxki , Christian T Preuss , Daniel Reichelt , Steffen Schumann

A new next-to-leading order Monte Carlo program for the calculation of fully differential jet cross sections in photoproduction is described. The contributions from both resolved and direct components are included. A comparison between the…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. W. Harris , J. F. Owens

We present the calculation of the decay $H \rightarrow b\overline{b}j$ at next-to-next-to-leading order (NNLO) accuracy. We consider contributions in which the Higgs boson couples directly to bottom quarks, i.e. our predictions are accurate…

High Energy Physics - Phenomenology · Physics 2022-10-12 Roberto Mondini , Ciaran Williams

Results for higher-order threshold enhancements in high-E_T jet production in hadron-hadron collisions are presented. Expressions are given for the next-to-next-to-leading order (NNLO) threshold corrections to the single-jet inclusive cross…

High Energy Physics - Phenomenology · Physics 2009-10-31 Nikolaos Kidonakis , J. F. Owens

We give a prescription for attaching parton showers to next-to-leading order (NLO) partonic jet cross sections in electron-positron annihilation. Our method effectively extends to NLO the scheme of Catani, Krauss, Kuhn, and Webber for…

High Energy Physics - Phenomenology · Physics 2007-05-23 Zoltan Nagy , Davison E. Soper

We present a fully differential computation of $e^+\,e^-\to\gamma\,\gamma$ at next-to-next-to-leading order in QED. The process has been implemented into McMule, completing its set of next-to-next-to-leading-order calculations for the most…

High Energy Physics - Phenomenology · Physics 2026-02-20 Tim Engel , Marco Rocco , Adrian Signer , Yannick Ulrich

We calculate the next-to-leading order(NLO) QCD corrections to the $WH^0$ production in association with a jet at hadron colliders. We study the impacts of the complete NLO QCD radiative corrections to the integrated cross sections, the…

High Energy Physics - Phenomenology · Physics 2015-03-17 Su Ji-Juan , Ma Wen-Gan , Zhang Ren-You , Guo Lei