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Related papers: Precise QCD predictions for jet production at the …

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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

The production of a top-antitop quark pair in association with a $W$ boson ($t\bar tW$) is one of the heaviest signatures currently probed at the Large Hadron Collider (LHC). Since the first observation reported in 2015 the corresponding…

High Energy Physics - Phenomenology · Physics 2023-12-08 Luca Buonocore , Simone Devoto , Massimiliano Grazzini , Stefan Kallweit , Javier Mazzitelli , Luca Rottoli , Chiara Savoini

The sophistication of current predictions for $Z+$jet production at hadron colliders necessitates a re-evaluation of any approximations inherent in the theoretical calculations. In this paper we address one such issue, the inclusion of mass…

High Energy Physics - Phenomenology · Physics 2017-02-01 John M. Campbell , R. Keith Ellis

We discuss a calculation of the next-to-leading order QCD corrections to the process $e^+e^-\to 3$ jets with massive quarks, and show numerical results for the three jet fraction and the differential two jet rate.

High Energy Physics - Phenomenology · Physics 2011-01-25 A. Brandenburg , W. Bernreuther , P. Uwer

Theoretical predictions for ttbb production are of crucial importance for ttH measurements in the H->bb channel at the LHC. To address the large uncertainties associated with the modelling of extra QCD radiation in ttbb events, in this…

High Energy Physics - Phenomenology · Physics 2019-12-11 Federico Buccioni , Stefan Kallweit , Stefano Pozzorini , Max Zoller

The complete details of our calculation of the NLO QCD corrections to heavy flavor photo- and hadroproduction with longitudinally polarized initial states are presented. The main motivation for investigating these processes is the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ingo Bojak

We construct a resummation at partial next-to-next-to-next-to-leading logarithmic accuracy for hadronic top-quark pair production near partonic threshold, including simultaneously soft-gluon and Coulomb corrections, and use this result to…

High Energy Physics - Phenomenology · Physics 2018-08-29 Jan Piclum , Christian Schwinn

We compute the next-to-leading order QCD corrections to WZ+jet production at the Tevatron and the LHC, including decays of the electroweak bosons to light leptons with all off-shell effects taken into account. The corrections are sizable…

High Energy Physics - Phenomenology · Physics 2014-11-21 F. Campanario , C. Englert , S. Kallweit , M. Spannowsky , D. Zeppenfeld

In this letter we report on a calculation of W gamma gamma + jet production at next-to-leading order QCD. We include the leptonic decays of the W and take into account all off-shell and finite width effects. This is the first computation…

High Energy Physics - Phenomenology · Physics 2015-05-28 Francisco Campanario , Christoph Englert , Michael Rauch , Dieter Zeppenfeld

We present a complete description of top quark pair production in association with a jet in the dilepton channel. Our calculation is accurate to next-to-leading order in QCD (NLO) and includes all non-resonant diagrams, interferences and…

High Energy Physics - Phenomenology · Physics 2016-02-10 G. Bevilacqua , H. B. Hartanto , M. Kraus , M. Worek

We present a detailed phenomenological study of the next-to-next-to-leading order (NNLO) QCD corrections for $t$-channel single top (anti-)quark production and its semi-leptonic decay at the CERN Large Hadron Collider (LHC). We find the…

High Energy Physics - Phenomenology · Physics 2020-04-02 Edmond L. Berger , Jun Gao , Hua Xing Zhu

We present precise predictions for the hadronic production of an on-shell Higgs boson in association with a leptonically decaying gauge boson and a jet up to order $\alpha_s^3$. We include the complete set of NNLO QCD corrections to both…

High Energy Physics - Phenomenology · Physics 2022-03-28 R. Gauld , A. Gehrmann-De Ridder , E. W. N. Glover , A. Huss , I. Majer

The next-to-leading-order electroweak corrections to $pp\to l^+l^-/\bar\nu\nu+\gamma+X$ production, including all off-shell effects of intermediate Z bosons in the complex-mass scheme, are calculated for LHC energies, revealing the…

High Energy Physics - Phenomenology · Physics 2016-03-23 Ansgar Denner , Stefan Dittmaier , Markus Hecht , Christian Pasold

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

Top-antitop quark pairs belong to the most abundantly produced and precisely measurable heavy-particle signatures at hadron colliders and allow for crucial tests of the Standard Model and new-physics searches. Here we report on the…

High Energy Physics - Phenomenology · Physics 2011-06-22 A. Denner , S. Dittmaier , S. Kallweit , S. Pozzorini

We present a calculation of the full next-to-leading order QCD corrections to the scattering process pp \to t tbar Z. This channel will be used to measure the t tbar Z electroweak couplings at the Large Hadron Collider. These couplings…

High Energy Physics - Phenomenology · Physics 2008-11-26 Achilleas Lazopoulos , Thomas McElmurry , Kirill Melnikov , Frank Petriello

We perform a detailed study of inclusive jet production cross sections at the LHC and compare the QCD theory predictions based on the recently developed formalism for threshold and jet radius joint resummation at next-to-leading logarithmic…

High Energy Physics - Phenomenology · Physics 2018-04-04 Xiaohui Liu , Sven-Olaf Moch , Felix Ringer

The production of identified hadrons inside jets in $e^+ e^-$ annihilation allows for detailed studies of parton-to-hadron fragmentation functions in a clean environment. We compute hadron-in-jets production cross sections for $e^+e^- \to…

High Energy Physics - Phenomenology · Physics 2026-05-27 Leonardo Bonino , Aude Gehrmann-De Ridder , Thomas Gehrmann , Alexander Huss , Francesco Merlotti , Giovanni Stagnitto

A brief summary of the calculation of the NLO QCD corrections to the process pp -> e+ ve mu- v_mu bb~ j + X is reported. This provides a complete description of the process of t-tbar + jet production with leptonic decays beyond the…

High Energy Physics - Phenomenology · Physics 2016-07-01 Giuseppe Bevilacqua

In this talk we discuss recent results on the impact of LHC jet data on global fits of parton distribution functions using theoretical predictions at NNLO in QCD supplemented by electroweak (EW) corrections.

High Energy Physics - Phenomenology · Physics 2020-10-12 Joao Pires