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Related papers: LO, NLO, LO* and jet algorithms

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We present a phenomenological study of angularities measured on the highest transverse-momentum jet in LHC events that feature the associate production of a $Z$ boson and one or more jets. In particular, we study angularity distributions…

High Energy Physics - Phenomenology · Physics 2021-07-15 Simone Caletti , Oleh Fedkevych , Simone Marzani , Daniel Reichelt , Steffen Schumann , Gregory Soyez , Vincent Theeuwes

Recent progress in the perturbative analysis of hadronic jets, especially in the context of hadron colliders, is discussed. The characteristic feature of this work is the emergence of a level of precision in the study of the strong…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. D. Ellis

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

We determine dominant next-to-next-to-leading order QCD corrections to single-inclusive jet production at the LHC and Tevatron, using the established threshold resummation framework. In contrast to previous literature on this topic, our…

High Energy Physics - Phenomenology · Physics 2015-06-17 Daniel de Florian , Patriz Hinderer , Asmita Mukherjee , Felix Ringer , Werner Vogelsang

For processes involving structure functions and/or fragmentation functions, arguments that, over a range of a proper kinematic variable, there is a part that dominates the next-to-leading order (NLO) corrections are briefly reviewed. The…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. P. Contogouris , Z. Merebashvili

The production of top-quark pairs that subsequently decay hadronically and leptonically (lepton+jets channel) is one of the key processes for the study of top-quark properties at the LHC. In this article, NLO QCD corrections of order…

High Energy Physics - Phenomenology · Physics 2018-03-14 Ansgar Denner , Mathieu Pellen

In this talk we report on first results from the NLO computation of Z production in association with five jets in hadron-hadron collisions. The results are obtained with the help of the numerical method, where apart from the phase space…

High Energy Physics - Phenomenology · Physics 2014-07-02 Daniel Goetz , Christian Reuschle , Christopher Schwan , Stefan Weinzierl

In this talk we discuss recent progress concerning precise predictions for hadron colliders. We show results of two applications of tensor reduction using GOLEM methods: the next-to-leading order (NLO) corrections to $pp \to ZZ+$jet as an…

High Energy Physics - Phenomenology · Physics 2010-01-15 Stefan Karg , Thomas Binoth , Tanju Gleisberg , Nikolas Kauer , Michael Kramer , Qiang Li , Gregory Sanguinetti , Dieter Zeppenfeld

Properties of the exclusive jet production process are briefly described. A need for a dedicated trigger algorithms for studies of such process in the LHC experiments is explained. Influence of the machine luminosity leveling -- a change of…

Instrumentation and Detectors · Physics 2019-09-25 Paula Erland

We compute the virtual next-to-leading corrections to the impact factors or off-shell coefficient functions in the high-energy limit. When combined with the known real corrections, these results will provide the complete NLO corrections to…

High Energy Physics - Phenomenology · Physics 2016-08-25 Vittorio Del Duca , Carl R. Schmidt

Recently, a measurement of the vector-boson scattering process with same-sign W bosons has been reported by the CMS collaboration. Hence it is of prime importance to have precise predictions with next-to-leading order (NLO) accuracy. In…

High Energy Physics - Phenomenology · Physics 2017-08-03 Benedikt Biedermann , Ansgar Denner , Mathieu Pellen

We consider hadronic production of a Z boson in association with a jet and study one- and two-loop electroweak logarithmic corrections in the region of high Z-boson transverse momentum, p_T >> M_Z, including leading and next-to-leading…

High Energy Physics - Phenomenology · Physics 2010-04-05 Johann H. Kuhn , A. Kulesza , S. Pozzorini , M. Schulze

We compute the NLO QCD corrections to the pair production of W-bosons in association with two jets at the Tevatron and the LHC. This process is an important background to heavy Higgs-boson production in association with two jets, either in…

High Energy Physics - Phenomenology · Physics 2015-03-19 Tom Melia , Kirill Melnikov , Raoul Rontsch , Giulia Zanderighi

Jet and dijet rates in pA collisions at LHC energies are computed using a NLO Monte Carlo code. Uncertainties due to the choice of scale, jet-finding algorithm, nucleon parton densities and nuclear modifications of nucleon parton densities…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Accardi , N. Armesto

I review the state-of-the-art for fully differential numerical NNLO programs. Topics which are covered include the calculation of two-loop amplitudes, multiple polylogarithms, cancellation of infra-red divergences at NNLO and the efficient…

High Energy Physics - Phenomenology · Physics 2009-11-11 Stefan Weinzierl

In this contribution recent results regarding the NLO electroweak corrections for vector boson production in association with jets are presented. Besides discussing the phenomenology of the fixed-order results, their corporation in existing…

High Energy Physics - Phenomenology · Physics 2016-09-07 Marek Schönherr , Stefan Kallweit , Jonas M. Lindert , Stefano Pozzorini , Philipp Maierhöfer

We report on the calculation of the next-to-leading order QCD corrections to the production of W-boson pairs in association with a hard jet at the Tevatron and the LHC, which is an important source of background for Higgs and new-physics…

High Energy Physics - Phenomenology · Physics 2009-11-18 S. Dittmaier , S. Kallweit , P. Uwer

We briefly describe a new general algorithm for carrying out QCD calculations to next-to-leading order in perturbation theory. The algorithm can be used for computing arbitrary jet cross sections in arbitrary processes and can be…

High Energy Physics - Phenomenology · Physics 2015-06-25 Stefano Catani , Michael H. Seymour

We discuss the next-to-next-to-leading order (NNLO) QCD corrections to Z boson production in association with a jet including all partonic channels at all color levels and including the leptonic decay of the Z boson. We focus on the…

High Energy Physics - Phenomenology · Physics 2016-05-12 A. Gehrmann-De Ridder , T. Gehrmann , E. W. N. Glover , A. Huss , T. A. Morgan

We propose an implementation of ZZ, ZZj and ZZjj productions in MadGraph5_aMC@NLO framework at $\sqrt{s}$ = 14 TeV. We calculate these processes at leading order and next-to-leading order with QCD corrections and we present a theoretical…

High Energy Physics - Phenomenology · Physics 2020-12-09 K. Djamaa , A. Mohamed-Meziani