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Related papers: Overview of NNLO QCD corrections

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In this paper we present a next-to-next-to-leading order (NNLO) QCD calculation of the processes $pp\rightarrow l^+l^-\gamma$ and $pp\rightarrow \nu\bar\nu\gamma$ that we have implemented in MCFM. Our calculation includes QCD corrections at…

High Energy Physics - Phenomenology · Physics 2018-01-17 John M. Campbell , Tobias Neumann , Ciaran Williams

A fully differential calculation of the next-to-leading order QCD corrections to the production of Z-boson pairs in association with a hard jet at the Tevatron and LHC is presented. This process is an important background for Higgs particle…

High Energy Physics - Phenomenology · Physics 2014-11-20 T. Binoth , T. Gleisberg , S. Karg , N. Kauer , G. Sanguinetti

In this contribution we present recent progress in the computation of next-to-leading order (NLO) QCD corrections for the production of an electroweak vector boson in association with jets at hadron colliders. We focus on results obtained…

High Energy Physics - Phenomenology · Physics 2022-03-02 Z. Bern , G. Diana , L. J. Dixon , F. Febres Cordero , D. Forde , T. Gleisberg , S. Hoeche , H. Ita , D. A. Kosower , D. Maitre , K. Ozeren

We describe the calculation of the next-to-next-to-leading order (NNLO) QCD corrections to isolated photon and photon-plus-jet production, and discuss how the experimental hadron-level photon definition and isolation criteria can be…

High Energy Physics - Phenomenology · Physics 2020-04-29 Xuan Chen , Thomas Gehrmann , Nigel Glover , Marius Höfer , Alexander Huss

We compute the ratio of the inclusive jet cross-sections obtained with the same jet algorithm at two different values of the jet radius. We perform a computation of that observable at NLO (O(alphas^2)) in perturbative QCD and compute…

High Energy Physics - Phenomenology · Physics 2011-03-21 Gregory Soyez

QCD corrections to $e^+e^- \ra WW \ra q_1 \bar q_1 q_2 \bar q_2$ are computed and presented in a form which allows to impose realistic cuts on the structure of the observed events. QCD radiation substantially modifies the jet--jet invariant…

High Energy Physics - Phenomenology · Physics 2009-10-28 E. Maina , M. Pizzio

We report on the next-to-leading order QCD calculation for e+ e- --> 4 jets. We explain some modern techniques which have been used to calculate the one-loop amplitudes efficiently. We further report on the general purpose numerical program…

High Energy Physics - Phenomenology · Physics 2008-11-26 Stefan Weinzierl

We present the next-to-leading order QCD corrections to the production of a photon pair in association with one or two jets. This class of processes constitutes an important background for Higgs physics at the LHC. For the one jet process…

High Energy Physics - Phenomenology · Physics 2013-11-20 Thomas Gehrmann , Nicolas Greiner , Gudrun Heinrich

We discuss the CoLoRFulNNLO method for computing higher order radiative corrections to jet cross sections in perturbative QCD. We apply our method to the calculation of event shapes and jet rates in three-jet production in electron-positron…

High Energy Physics - Phenomenology · Physics 2017-08-02 Gábor Somogyi , Adam Kardos , Zoltán Szőr , Zoltán Trócsányi

The implementation of the full next-to-leading order (NLO) QCD corrections to electroweak Higgs boson plus three jet production at hadron colliders such as the LHC within the Matchbox NLO framework of the Herwig++ event generator is…

High Energy Physics - Phenomenology · Physics 2013-11-22 Francisco Campanario , Terrance M. Figy , Simon Plätzer , Malin Sjödahl

Next-to-leading order QCD corrections to the QCD-induced $pp \rightarrow l^+l^- \gamma j j +X$ and $pp \rightarrow \bar{\nu}_l \nu_l \gamma jj+X$ processes are presented. The latter is used to find an optimal cut to reduce the contribution…

High Energy Physics - Phenomenology · Physics 2014-07-31 Francisco Campanario , Matthias Kerner , Le Duc Ninh , Dieter Zeppenfeld

We calculated the next-to-leading order (NLO) QCD corrections to the cross sections for direct top quark productions induced by model--independent flavour changing neutral current couplings at hadron colliders. The NLO results increase the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Jian Jun Liu , Chong Sheng Li , Li Lin Yang , Li Gang Jin

We compute the next-to-leading order QCD corrections to the production of W bosons in association with three jets at the Tevatron in the leading color approximation, which we define by considering the number of colors and the number of…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. Keith Ellis , Kirill Melnikov , Giulia Zanderighi

We report on the calculation of the next-to-next-to-leading order (NNLO) QCD corrections to the production of two gluonic jets at hadron colliders. In previous work, we discussed gluonic dijet production in the gluon-gluon channel. Here,…

High Energy Physics - Phenomenology · Physics 2014-07-22 James Currie , Aude Gehrmann-De Ridder , Thomas Gehrmann , Nigel Glover , Joao Pires , Steven Wells

We present the exact next-to-leading order (NLO) QCD corrections to dijet production at the LHC via quark contact interactions, with different color and chiral structures induced from new physics. Following the recent analysis of quark…

High Energy Physics - Phenomenology · Physics 2015-06-04 Jun Gao , Chong Sheng Li , C. -P. Yuan

In this talk we discuss top-quark pair production in association with an additional jet. We present numerical results based on a next-to-leading order QCD calculation.

High Energy Physics - Phenomenology · Physics 2009-05-15 S. Dittmaier , P. Uwer , S. Weinzierl

We present an NNLO-compatible subtraction scheme for computing QCD jet cross sections of hadron-initiated processes at NLO accuracy. The scheme is constructed specifically with those complications in mind, that emerge when extending the…

High Energy Physics - Phenomenology · Physics 2009-12-04 Gabor Somogyi

We discuss the correlated systematic theoretical uncertainties that may be ascribed to the next-to-leading order QCD theory used to predict the one-jet inclusive cross section in hadron collisions. We estimate the magnitude of these errors…

High Energy Physics - Phenomenology · Physics 2013-05-29 Fredrick I. Olness , Davison E. Soper

We compute the next-to-next-to-leading order (NNLO) soft and virtual QCD corrections for the partonic cross section of colourless-final state processes in hadronic collisions. The results are valid to all orders in the dimensional…

High Energy Physics - Phenomenology · Physics 2013-02-28 Daniel de Florian , Javier Mazzitelli

We consider higher-order QCD corrections for vector boson production at hadron colliders. We present recent results on transverse-momentum resummation for Z production. Moreover we show numerical results from a new fully exclusive…

High Energy Physics - Phenomenology · Physics 2009-06-12 Giancarlo Ferrera
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