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We have determined the theoretical predictions for the cross-sections of squark and gluino production at $\ppb$ and $pp$ colliders (Tevatron and LHC) in next-to-leading order of supersymmetric QCD. By reducing the dependence on the…

High Energy Physics - Phenomenology · Physics 2011-07-19 W. Beenakker , R. H"opker , M. Spira , P. M. Zerwas

We present the cross-sections for the hadroproduction of squarks and gluinos in next-to-leading order of supersymmetric QCD. The four possible final states squark-antisquark, squark-squark, gluino-gluino and squark-gluino are analysed for…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Höpker , W. Beenakker

We have determined the QCD corrections to the production of squark-antisquark pairs in $p\bar p$ collisions at the Tevatron. If the next-to-leading order corrections are taken into account, the renormalization/factorization scale dependence…

High Energy Physics - Phenomenology · Physics 2009-10-28 W. Beenakker , R. Höpker , M. Spira , P. M. Zerwas

The next-to-leading order QCD corrections to the production of gluino pairs at the Tevatron are presented in this paper. Similar to the production of squark-antisquark pairs, the dependence of the cross section on the…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Beenakker , R. Höpker , M. Spira , P. M. Zerwas

Results are presented of a next-to-leading order calculation in perturbative QCD of the production of charginos and neutralinos in association with gluinos at hadron colliders. Predictions for total and differential cross sections are shown…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. L. Berger , T. M. P. Tait , M. Klasen

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

The production rate for top quarks at the Fermilab Tevatron is presented using the exact order $\alpha_s^3$ corrected cross section and the resummation of the leading soft gluon corrections in all orders of perturbation theory.

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Laenen , J. Smith , W. L. van Neerven

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

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 present state-of-the-art cross section predictions for the production of supersymmetric squarks and gluinos at the upcoming LHC run with a centre-of-mass energy of $\sqrt{s} = 13$ and $14$ TeV, and at potential future $pp$ colliders…

High Energy Physics - Phenomenology · Physics 2015-06-22 Christoph Borschensky , Michael Krämer , Anna Kulesza , Michelangelo Mangano , Sanjay Padhi , Tilman Plehn , Xavier Portell

Results are presented of a next-to-leading order calculation in perturbative QCD of the production of charginos and neutralinos in association with gluinos at hadron colliders. Predictions for cross sections are shown at the energies of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. L. Berger , T. M. P. Tait , M. Klasen

We derive high-order threshold corrections for top quark production in hadronic collisions from resummation calculations. We present analytical expressions for the cross section through next-to-next-to-next-to-next-to-leading order (N^4LO)…

High Energy Physics - Phenomenology · Physics 2009-10-31 Nikolaos Kidonakis

We present complete results of a next-to-leading order calculation of the production of gaugino-like charginos ($\chargino$) and neutralinos ($\neutralino$) in association with gluinos ($\gluino$) at hadron colliders, including the strong…

High Energy Physics - Phenomenology · Physics 2008-11-26 Edmond L. Berger , Michael Klasen , Tim M. P. Tait

We study the production cross sections for squarks and gluinos in collision of longitudinally polarized hadrons. The corresponding polarized partonic cross sections are computed in leading order supersymmetric QCD. The resulting asymmetries…

High Energy Physics - Phenomenology · Physics 2009-11-10 T. Gehrmann , D. Maitre , D. Wyler

The scalar partners of top and bottom quarks are expected to be the lightest squarks in supersymmetric theories, with potentially large cross sections at hadron colliders. We present predictions for the production of top and bottom squarks…

High Energy Physics - Phenomenology · Physics 2014-11-21 Wim Beenakker , Silja Brensing , Michael Krämer , Anna Kulesza , Eric Laenen , Irene Niessen

In this talk, I describe a supersymmetric solution to the long-standing discrepancy between the bottom-quark production cross section and predictions of perturbative quantum chromodynamics. Pair production of light gluinos, of mass 12-16…

High Energy Physics - Phenomenology · Physics 2007-05-23 Z. Sullivan

We study how next-to-leading logarithms modify predictions from leading logarithmic soft-gluon resummation in the heavy quark production cross section near threshold. Numerical results are presented for top quark production at the Fermilab…

High Energy Physics - Phenomenology · Physics 2008-11-26 N. Kidonakis , J. Smith , R. Vogt

We present the cross section for pair production of scalar leptoquarks $LQ$ in $p\bar{p}$ collisions, $p+\bar{p} \to LQ + \bar{LQ} + X$, at the Fermilab Tevatron in next-to-leading order QCD. Including the higher-order corrections…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Krämer , T. Plehn , M. Spira , P. M. Zerwas

We present new predictions for the total cross section of squark pair-production at Tevatron and LHC through next-to-next-to-leading order within the Minimal Supersymmetric Standard Model. The results are based on the numerically dominant…

High Energy Physics - Phenomenology · Physics 2014-11-18 Ulrich Langenfeld , Sven-Olaf Moch

We consider resonant production of sneutrino and slepton at hadronic colliders such as the Tevatron and the LHC within the context of a R-parity violating supersymmetric model. We present next to leading order QCD corrections to total cross…

High Energy Physics - Phenomenology · Physics 2009-11-07 Debajyoti Choudhury , Swapan Majhi , V. Ravindran
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