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At a future linear collider, the masses and couplings of scalar leptons can be measured with high accuracy, thus requiring precise theoretical predictions for the relevant processes. In this work, after a discussion of the expected…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ayres Freitas , Andreas v. Manteuffel

We analyse the production of charginos/neutralinos and sleptons at the hadron colliders Tevatron and LHC in the direct channels: $p\bar{p}/pp \to \tilde{\chi}_i \tilde{\chi}_j + X$ and $\tilde{\ell} \bar{\tilde{\ell}'} +X$. The cross…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Beenakker , M. Klasen , M. Krämer , T. Plehn , M. Spira , P. M. Zerwas

The detailed study of vector-boson pair production processes at the LHC will lead to a better understanding of electroweak physics. As pointed out before, a consistent inclusion of higher-order electroweak effects in the analysis of…

High Energy Physics - Phenomenology · Physics 2014-01-17 Stefan Gieseke , Tobias Kasprzik , Johann H. Kühn

We present a study of threshold resummation effects for slepton pair production at the Large Hadron Collider (LHC). After confirming the known NLO QCD corrections and generalizing the NLO SUSY-QCD corrections to the case of mixing squarks…

High Energy Physics - Phenomenology · Physics 2008-11-26 Giuseppe Bozzi

The calculation of the next-to-leading order SUSY-QCD corrections to the production of squarks, gluinos and gauginos at the Tevatron is reviewed. The NLO corrections stabilize the theoretical predictions of the various production cross…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Beenakker , M. Kraemer , T. Plehn , M. Spira

NLO SUSY-QCD contributions to associated production of gluinos and gauginos are shown to enhance the cross sections by about 10% at the Tevatron and by as much as a factor of two at the LHC. They shift the mass determinations or discovery…

High Energy Physics - Phenomenology · Physics 2007-05-23 Edmond L. Berger , Michael Klasen , Tim M. P. Tait

The foreseen luminosities for the next LHC runs will enable precise differential measurements of the associated production of top-antitop pairs with a W boson. Therefore, providing accurate theory predictions for this process is needed for…

High Energy Physics - Phenomenology · Physics 2022-11-15 Ansgar Denner , Giovanni Pelliccioli

Searches for supersymmetry (SUSY) are presented based on the electroweak pair production of neutralinos and charginos, leading to decay channels with Higgs, Z, and W bosons and undetected lightest SUSY particles (LSPs). The data sample…

High Energy Physics - Experiment · Physics 2014-11-26 CMS Collaboration

The determination of the full SUSY QCD corrections to the production of squarks, gluinos and gauginos at hadron colliders is reviewed. The NLO corrections stabilize the theoretical predictions of the various production cross sections…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael Spira

We calculate the next-to-leading order inclusive total cross sections for the associated production processes $pp\to \tilde{t}_i\tilde{\chi}_k^-+X$ in the Minimal Supersymmetric Standard Model at the CERN LHC. Our results provide the…

High Energy Physics - Phenomenology · Physics 2009-12-17 Li Gang Jin , Chong Sheng Li , Jian Jun Liu

We investigate squark and gluino pair production at LHC (CMS) with subsequent decays into quarks, leptons and LSP in models with effective supersymmetry where third generation of squarks is relatively light while the first two generations…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. I. Bityukov , N. V. Krasnikov

We achieve for the first time NNLO QCD + NLO EW accuracy for doubly polarised WZ inclusive production at the LHC, in the case of fully leptonic decays. Additionally, we provide estimates for missing higher-order uncertainties in QCD…

High Energy Physics - Phenomenology · Physics 2025-10-31 Giovanni Pelliccioli , Rene Poncelet

We consider the resonant production of charged sleptons at the LHC via R-parity violation followed by gauge decays to a charged lepton and a neutralino which then decays via R-parity violation. This gives a signature of two like-sign…

High Energy Physics - Phenomenology · Physics 2007-05-23 Herbi Dreiner , Peter Richardson , Michael H. Seymour

If the minimal supersymmetric standard model at scales of around 1 TeV is realized in nature, the total top-squark pair production cross section should be measurable at the CERN Large Hadron Collider. In this work we present precise…

High Energy Physics - Phenomenology · Physics 2015-06-15 Alessandro Broggio , Andrea Ferroglia , Matthias Neubert , Leonardo Vernazza , Li Lin Yang

The next-to-leading order (NLO) corrections to Drell-Yan slepton pair production are merged with parton shower evolution via the POWHEG method in Herwig++. The NLO corrections at the level of event generation alter the shape of observables…

High Energy Physics - Phenomenology · Physics 2012-08-02 Ilan Fridman-Rojas , Peter Richardson

Accurate theoretical calculations of slepton pair production processes at threshold are necessary for an accurate determination of slepton masses. We discuss the gauge invariant calculation of these processes for selectron and smuon pairs,…

High Energy Physics - Phenomenology · Physics 2009-04-13 A. Freitas , D. J. Miller

We present an update of the theoretical predictions for the cross section of top-quark pair production at Tevatron and LHC. In particular we employ improvements due to soft gluon resummation at next-to-next-to-leading logarithmic accuracy.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sven Moch , Peter Uwer

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 make use of recently released parton density functions (PDFs) with threshold-resummation improvement to consistently calculate theoretical predictions for neutralino and chargino pair production at next-to-leading order and…

High Energy Physics - Phenomenology · Physics 2018-09-19 J. Fiaschi , M. Klasen

The production and decay of supersymmetric particles is presented. The dependence of the hadro-production cross section for weakly and strongly interacting yields an improvement of derived mass bounds or the measurement of the masses,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tilman Plehn