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Related papers: Automated NLO QCD Corrections with WHIZARD

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Scalar and pseudo-scalar resonances decaying to top quarks are common predictions in several scenarios beyond the standard model (SM) and are extensively searched for by LHC experiments. Challenges on the experimental side require…

High Energy Physics - Phenomenology · Physics 2017-11-28 Diogo Buarque Franzosi , Eleni Vryonidou , Cen Zhang

In this work we calculate for the first time the next-to-next-to leading order (NNLO) QCD corrections to identified hadron production at hadron colliders. The inclusion of the NNLO correction has an important impact on all observables…

High Energy Physics - Phenomenology · Physics 2025-10-23 Michał Czakon , Terry Generet , Alexander Mitov , Rene Poncelet

NLO-QCD corrections to vector boson pair production via weak boson fusion have recently been calculated and implemented into flexible parton-level Monte-Carlo programs. These allow for the computation of cross sections and kinematical…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Jager , C. Oleari , D. Zeppenfeld

These proceedings discuss some of the highlights of recent research in perturbative QCD as it relates to the LHC. Topics covered include the new generation of Monte Carlo event generators, the revolution that is occurring in NLO…

High Energy Physics - Phenomenology · Physics 2011-03-08 Gavin P. Salam

We present a computation of QCD next-to-leading order virtual corrections to the top production and decay process at linear colliders. The top quarks are allowed to be off-shell and the production and decay subprocesses are treated…

High Energy Physics - Phenomenology · Physics 2009-11-07 Cosmin Macesanu

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

Next-to-leading order QCD corrections to the associated production of vector boson (Z/W) with the the Kaluza-Klein modes of the graviton in large extra dimensional model at the LHC, are presented. We have obtained various kinematic…

High Energy Physics - Phenomenology · Physics 2015-05-18 M. C. Kumar , Prakash Mathews , V. Ravindran , Satyajit Seth

After reviewing the main features of the GoSam framework for automated one-loop calculations, we present a selection of recent phenomenological results obtained with it. In particular, we focus on the recent calculation of NLO QCD…

We compute the total cross-section for direct production of the pseudoscalar Higgs boson in hadron collisions at next-to-next-to-leading order (NNLO) in perturbative QCD. The O(alpha_s^2) QCD corrections increase the NLO production…

High Energy Physics - Phenomenology · Physics 2009-11-07 Charalampos Anastasiou , Kirill Melnikov

We consider Standard Model Higgs boson production in association with a Z boson in hadron collisions. We present a fully exclusive computation of QCD radiative corrections up to next-to-next-to-leading order (NNLO). Our calculation includes…

High Energy Physics - Phenomenology · Physics 2015-06-22 Giancarlo Ferrera , Massimiliano Grazzini , Francesco Tramontano

We present the next-to-leading-order (NLO) QCD corrections to the inclusive total cross section for the production of a Higgs boson in association with a top anti-top quark pair within the Standard Model at the Tevatron and the LHC.

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Dawson , L. H. Orr , L. Reina , D. Wackeroth

We calculate the complete next-to-leading-order (NLO) QCD corrections (including SUSY QCD corrections) to the inclusive total cross sections of the associated production processes $pp\rightarrow A^{0}\gamma+X$ in the minimal supersymmetric…

High Energy Physics - Phenomenology · Physics 2015-03-17 Liang Dai , Ding Yu Shao , Chong Sheng Li , Jun Gao , Hao Zhang

We use the LoopSim and VBFNLO packages to investigate a merged sample of partonic events that is accurate at NLO in QCD simultaneously for the WZ and WZ+jet production processes. In certain regions of phase space such a procedure is…

High Energy Physics - Phenomenology · Physics 2015-06-11 Francisco Campanario , Sebastian Sapeta

We present a summary of the first calculation of NLO QCD corrections to WZjj production with leptonic decays at the LHC. Our results show that the next-to-leading order corrections reduce significantly the scale uncertainties.

High Energy Physics - Phenomenology · Physics 2013-10-17 Francisco Campanario , Matthias Kerner , Le Duc Ninh , Dieter Zeppenfeld

The $B_c$ meson pair, including pairs of both pseudoscalar states and vector states, productions in high energy photon-photon interaction are investigated at the next-to-leading order (NLO) accuracy in the nonrelativistic quantum…

High Energy Physics - Phenomenology · Physics 2020-07-22 Zi-Qiang Chen , Hao Yang , Cong-Feng Qiao

We study higher-order QCD corrections for the associated production of a top-antitop quark pair and a photon ($t{\bar t}\gamma$ production) in proton-proton collisions. We calculate the approximate NNLO cross section, with second-order…

High Energy Physics - Phenomenology · Physics 2023-03-01 Nikolaos Kidonakis , Alberto Tonero

NNLO QCD corrections to the production and decay of top-quark pairs allow performing precision phenomenology in inclusive and fiducial phase spaces. State-of-the-art predictions for top-quark pair production and their comparison to recent…

High Energy Physics - Phenomenology · Physics 2022-12-13 Rene Poncelet

We present the calculations of the complete next-to-leading order (NLO) QCD corrections (including supersymmetric QCD) to the inclusive total cross sections of the associated production processes $pp\to A^0Z^0+X$ in the Minimal…

High Energy Physics - Phenomenology · Physics 2009-11-11 Qiang Li , Chong Sheng Li , Jian Jun Liu , Li Gang Jin , C. -P. Yuan

We briefly review the status of high precision QCD predictions available for LHC processes, focusing on corrections beyond NLO and ways to make the latter available in a convenient format. As a phenomenological example we discuss the…

High Energy Physics - Phenomenology · Physics 2017-10-16 Gudrun Heinrich

We consider QCD radiative corrections to $W^+W^-b {\bar b}$ production with leptonic decays and massive bottom quarks at the LHC. We perform an exact next-to-leading order (NLO) calculation within the $q_T$-subtraction formalism and…

High Energy Physics - Phenomenology · Physics 2025-07-17 Luca Buonocore , Massimiliano Grazzini , Stefan Kallweit , Jonas M. Lindert , Chiara Savoini
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