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Related papers: Electroweak corrections to squark--anti-squark pai…

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We study the effect of soft gluon emission in the hadroproduction of squark-antisquark and gluino-gluino pairs at the next-to-leading logarithmic (NLL) accuracy within the framework of the minimal supersymmetric model. The one-loop soft…

High Energy Physics - Phenomenology · Physics 2009-04-09 A. Kulesza , L. Motyka

We present the analysis of the signature 2j + ETmiss (+X) via squark-squark production and direct decay into the lightest neutralino, pp -> squark squark -> j j chi_1^0 chi_1^0 (+X), in next-to-leading order QCD within the framework of the…

High Energy Physics - Phenomenology · Physics 2015-06-05 Wolfgang Hollik , Jonas M. Lindert , Davide Pagani

In this paper we examine thoroughly the single (anti-)top quark production associated with a lightest neutralino at the possible CERN Large Hadron Electron Collider (LHeC). We calculate the full next-to-leading order (NLO) QCD corrections…

High Energy Physics - Phenomenology · Physics 2013-07-23 Li Xiao-Peng , Guo Lei , Ma Wen-Gan , Zhang Ren-You , Han Liang , Song Mao

We report on the calculation of the NLO QCD corrections to top quark pair production in association with two hard jets at the LHC. We take into account higher-order effects in both the production and decays of the top-quark pair. The latter…

High Energy Physics - Phenomenology · Physics 2023-06-21 Giuseppe Bevilacqua , Michele Lupattelli , Daniel Stremmer , Malgorzata Worek

We review the theoretical status of squark and gluino hadroproduction and provide numerical predictions for all squark and gluino pair-production processes at the Tevatron and at the LHC, with a particular emphasis on proton-proton…

High Energy Physics - Phenomenology · Physics 2015-05-28 W. Beenakker , S. Brensing , M. Krämer , A. Kulesza , E. Laenen , L. Motyka , I. Niessen

We consider the effect of next-to-leading order (NLO) electroweak corrections to Standard Model 2-to-2 processes, taking into account the potentially large double logarithms originating from both real and virtual corrections. A study of the…

High Energy Physics - Phenomenology · Physics 2013-05-22 W. J. Stirling , E. Vryonidou

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

We study the impact of electroweak radiative corrections on direct production of photons with high transverse momenta at hadron colliders. Analytic results for the weak one-loop corrections to the parton scattering reaction $\bar q q \to…

High Energy Physics - Phenomenology · Physics 2009-11-11 Johann H. Kuhn , A. Kulesza , S. Pozzorini , M. Schulze

An overview of recent measurements of electroweak and top quark physics is given. In particular, total and differential diboson cross sections, limits on anomalous triple gauge couplings as well as top quark production cross sections and…

High Energy Physics - Experiment · Physics 2013-05-03 Marilyn Marx

Vector-boson pair production is of great phenomenological importance at the LHC. These processes will help to validate the Standard Model at highest energies, and they may also open the door for the discovery of new physics potentially…

High Energy Physics - Phenomenology · Physics 2013-10-11 Stefan Gieseke , Tobias Kasprzik , Johann H. Kuhn

We present predictions for the total cross sections for pair production of squarks and gluinos at the LHC including a combined NNLL resummation of soft and Coulomb gluon effects. We derive all terms in the NNLO cross section that are…

High Energy Physics - Phenomenology · Physics 2016-10-27 Martin Beneke , Jan Piclum , Christian Schwinn , Christopher Wever

We consider various processes of single top production at LHC in the theoretical framework of the MSSM and examine the role of the supersymmetric electroweak one-loop corrections in a special moderately light SUSY scenario, in an initial…

High Energy Physics - Phenomenology · Physics 2008-11-26 Matteo Beccaria , Fernand M. Renard , Claudio Verzegnassi

We present theoretical predictions for the production of top-quark pairs in association with jets at the LHC including electroweak (EW) corrections. First, we present and compare differential predictions at the fixed-order level for $t \bar…

High Energy Physics - Phenomenology · Physics 2018-05-09 Christian Gütschow , Jonas M. Lindert , Marek Schönherr

We extend and improve upon our previous calculation of electroweak top-quark pair hadroproduction in extensions of the Standard Model with extra heavy neutral and charged spin-1 resonances. In particular, we allow for flavour-non-diagonal…

High Energy Physics - Phenomenology · Physics 2021-06-30 Mohammad Mahdi Altakach , Tomáš Ježo , Michael Klasen , Jean-Nicolas Lang , Ingo Schienbein

We study the process of the association production of chargino and neutralino including the NLO QCD and the complete one-loop electroweak corrections in the framework of the minimal supersymmetric standard model(MSSM) at the Fermilab…

High Energy Physics - Phenomenology · Physics 2011-07-19 Sun Hao , Han Liang , Ma Wen-Gan , Zhang Ren-You , Jiang Yi , Guo Lei

We discuss the impact of eligible top-quark pair production differential cross-section measurements at the LHC with a collision energy of 13 TeV on the parton distribution functions (PDFs) of the proton as well as the impact of approximate…

High Energy Physics - Phenomenology · Physics 2024-11-04 Alim Ablat , Sayipjamal Dulat , Marco Guzzi , Tie-Jiun Hou , Nikolaos Kidonakis , Ibrahim Sitiwaldi , Alberto Tonero , Keping Xie , C. -P. Yuan

In this paper we present an analysis at NLO of the contribution from squark-squark production to the experimental signature 2j + 2l + missing E_T (+X) with opposite-sign same flavor leptons, taking into account decays and experimental cuts.…

High Energy Physics - Phenomenology · Physics 2015-06-15 Wolfgang Hollik , Jonas M. Lindert , Davide Pagani

Results for the complete NLO electroweak corrections to Standard Model Higgs production via gluon fusion are included in the total cross section for hadronic collisions. Artificially large threshold effects are avoided working in the…

High Energy Physics - Phenomenology · Physics 2008-12-18 S. Actis , G. Passarino , C. Sturm , S. Uccirati

To match the precision of present and future measurements of W-boson production at hadron colliders, electroweak radiative corrections must be included in the theory predictions. In this paper we consider their effect on the transverse…

High Energy Physics - Phenomenology · Physics 2008-11-26 Johann H. Kuhn , A. Kulesza , S. Pozzorini , M. Schulze

We calculate and analyze Z and W production in association with quark-antiquark pair in k_T-factorization. Numerical calculations are performed using the Monte Carlo generator CASCADE for proton proton collisions at LHC energy. We compare…

High Energy Physics - Phenomenology · Physics 2014-11-18 M. Deak , F. Schwennsen