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Related papers: NNLO mixed EW-QCD corrections to single vector bos…

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We compute two-loop corrections to the associated production of a Higgs boson with a $Z$ boson and to off-shell $Z$ boson pair production in the gluon fusion channel, mediated by a heavy quark. We perform deep expansions in the high-energy…

High Energy Physics - Phenomenology · Physics 2025-09-10 Joshua Davies , Dominik Grau , Kay Schönwald , Matthias Steinhauser , Daniel Stremmer , Marco Vitti

We present a calculation of the NNLO QCD corrections to Z-boson pair production at hadron colliders, based on the N-jettiness method for the real radiation parts. We discuss the size and shape of the perturbative corrections along with…

High Energy Physics - Phenomenology · Physics 2020-05-20 G. Heinrich , S. Jahn , S. P. Jones , M. Kerner , Joao Pires

We compute the QCD corrections at next-to-leading order for the process $gg \rightarrow ZH$, including both the virtual two-loop terms and real-emission contributions. The two-loop box diagrams in the virtual corrections are approximated…

High Energy Physics - Phenomenology · Physics 2022-08-24 Giuseppe Degrassi , Ramona Gröber , Marco Vitti , Xiaoran Zhao

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

Understanding the polarisation structure and providing precise predictions for multi-boson processes at the LHC is becoming urgent in the light of the upcoming run-3 and high-luminosity data. The CMS and ATLAS collaborations have already…

High Energy Physics - Phenomenology · Physics 2023-03-27 Ansgar Denner , Christoph Haitz , Giovanni Pelliccioli

We report on studies of next-to-leading order (NLO) QCD corrections to the process $pp\rightarrow e^+\nu_e\mu^+\nu_\mu jj$ which is associated with vector-boson fusion (VBF) production of an intermediate $W^+W^+$ pair. The impact of…

High Energy Physics - Phenomenology · Physics 2013-11-07 Lucia Hosekova

In this talk we discuss recent progress concerning precise predictions for the LHC. We give a status report of an application of the GOLEM method to deal with multi-leg one-loop amplitudes, namely the next-to-leading order QCD corrections…

High Energy Physics - Phenomenology · Physics 2008-07-07 S. Karg , G. Sanguinetti

The production of WWZ at the LHC is an important process to test the quartic gauge couplings of the Standard Model as well as an important background for new physics searches. A good theoretical understanding at next-to-leading order (NLO)…

High Energy Physics - Phenomenology · Physics 2013-07-30 Dao Thi Nhung , LE Duc Ninh , Marcus M. Weber

We compute the O(alpha_s^2) QCD corrections to the fully differential cross-section pp \to W X \to l \nu X, retaining all effects from spin correlations. The knowledge of these corrections makes it possible to calculate with high precision…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kirill Melnikov , Frank Petriello

We present results on NLO electroweak (EW) corrections to multiple massive boson production processes at a future muon collider. Inclusive cross sections with $\mathcal{O}(\alpha)$ corrections for processes for up to four bosons in the…

High Energy Physics - Phenomenology · Physics 2023-01-18 Pia Bredt , Wolfgang Kilian , Jürgen Reuter , Pascal Stienemeier

In this paper we present the full NLO QCD + NLO EW corrections to the $Z$-boson pair production in association with a hard jet at the LHC. The subsequent $Z$-boson leptonic decays are included by adopting both the naive NWA and MadSpin…

High Energy Physics - Phenomenology · Physics 2016-07-27 Wang Yong , Zhang Ren-You , Ma Wen-Gan , Li Xiao-Zhou , Guo Lei

We present a fully-exclusive next-to-next-to-leading order (NNLO) QCD calculation for vector boson production in hadron-hadron collisions. The calculation is implemented in a parton level Monte Carlo program, which includes the gamma-Z…

High Energy Physics - Phenomenology · Physics 2010-01-25 Giancarlo Ferrera

We present an estimate of the next-to-leading order QCD corrections to mixed QCD-electroweak contribution to Higgs boson production cross section in gluon fusion, combining the recently computed three-loop virtual corrections and the…

High Energy Physics - Phenomenology · Physics 2018-04-20 Marco Bonetti , Kirill Melnikov , Lorenzo Tancredi

Theoretical predictions with next-to-next-to-leading order (NNLO) QCD accuracy combined with the next-to-leading order (NLO) electroweak (EW) corrections are presented for differential observables of the double-Higgs production process via…

High Energy Physics - Phenomenology · Physics 2022-09-16 Frédéric A. Dreyer , Alexander Karlberg , Jean-Nicolas Lang , Mathieu Pellen

We review recent results on next-to-leading order (NLO) QCD and electroweak (EW) corrections for processes involving off-shell top quarks. For the off-shell production of two top quarks that decay leptonically, the full NLO EW corrections…

High Energy Physics - Phenomenology · Physics 2017-11-27 Ansgar Denner , Jean-Nicolas Lang , Mathieu Pellen , Sandro Uccirati

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

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

The VBFNLO program package is a collection of Monte Carlo programs for the calculation of NLO QCD corrections to vector boson fusion cross sections, double and triple vector boson production, or the production of two electroweak bosons in…

High Energy Physics - Phenomenology · Physics 2011-02-18 Dieter Zeppenfeld , G. Bozzi , F. Campanario , C. Englert , V. Hankele , S. Platzer , B. Jager , C. Oleari , M. Spannowsky , M. Worek

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

In this letter we present results for next-to-leading-order electroweak corrections to doubly polarised W$^+$W$^-$ production at the LHC in the fully leptonic decay channel. We model the production and the decay of two polarised W bosons in…

High Energy Physics - Phenomenology · Physics 2023-11-28 Ansgar Denner , Christoph Haitz , Giovanni Pelliccioli