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Related papers: Squark pair production at the LHC

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In this report we discuss the definition of the polarized cross sections of the inclusive $W^+W^-$ production at the LHC. Results at the level of next-to-leading order (NLO) QCD+EW accuracy, published in our recent paper, are presented to…

High Energy Physics - Phenomenology · Physics 2025-05-30 Duc Ninh Le , Thi Nhung Dao

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 updated inclusive cross sections for electroweak Higgs boson pair production for energies of relevance to the LHC and High-Luminosity phase of the LHC. The cross sections are presented at N$^3$LO QCD+NLO EW for vector-boson…

High Energy Physics - Phenomenology · Physics 2026-03-04 Ramona Gröber , Alexander Karlberg , Mathieu Pellen , Gioia Sacchi , Michael Spira

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

We present predictions for top anti-top bottom anti-bottom production at the LHC in next-to-leading order QCD. The precise description of this background process is a prerequisite to observe associated top anti-top Higgs production in the…

High Energy Physics - Phenomenology · Physics 2015-05-18 Axel Bredenstein , Ansgar Denner , Stefan Dittmaier , Stefano Pozzorini

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

The evaluation of the NNLO QCD corrections to the production of a scalar and a pseudo-scalar Higgs boson is described.

High Energy Physics - Phenomenology · Physics 2009-11-07 Robert Harlander , William Kilgore

Recently it has been realized that the production and decay processes of charginos, neutralinos, and sleptons receive corrections which grow like log m_squark for large m_squark. In this paper we calculate the chargino pair production cross…

High Energy Physics - Phenomenology · Physics 2009-10-31 Shingo Kiyoura , Mihoko M. Nojiri , Damien M. Pierce , Youichi Yamada

This talk presents a review of recent results for quarkonium production at the LHC from ATLAS, CMS, LHCb, and ALICE. Production cross sections for $J/\psi$, $\psi(2S)$, and $\Upsilon(mS)$, and production ratios for $\chi_{c,bJ}$ are found…

High Energy Physics - Experiment · Physics 2014-09-10 Bryan Fulsom

The $B_c$ meson pair, including pairs of pseudoscalar states and vector states, productions in proton-proton collisions are investigated at the next-to-leading order (NLO) accuracy in the nonrelativistic quantum chromodynamics factorization…

High Energy Physics - Phenomenology · Physics 2024-02-09 Zi-Qiang Chen , Long-Bin Chen , Cong-Feng Qiao

We compute the NLO QCD corrections to the loop-induced gluon fusion contribution in $W^+W^-$ production at the LHC. We consider the full leptonic process $pp\to \ell^+\ell^{\prime\, -}\nu_{\ell}{\bar\nu}_{\ell^\prime}+X$, by including…

High Energy Physics - Phenomenology · Physics 2020-04-01 Massimiliano Grazzini , Stefan Kallweit , Marius Wiesemann , Jeong Yeon Yook

Measuring precisely top-pair-associated processes at hadron colliders will become possible with the upcoming LHC running stages. The increased data statistics will especially enable differential measurements leading to an improved…

High Energy Physics - Phenomenology · Physics 2023-09-07 Ansgar Denner , Daniele Lombardi , Giovanni Pelliccioli

Top-quark pair production with an additional jet is an important signal and background process at the LHC. We present the next-to-leading order QCD calculation for this process and show results for integrated as well as differential cross…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Dittmaier , P. Uwer , S. Weinzierl

This paper summarizes top quark cross-section measurements at the Tevatron and the LHC. Top quark pair production cross-sections have been measured in all decay modes by the ATLAS and CMS collaborations at the LHC and by the CDF and D0…

High Energy Physics - Experiment · Physics 2019-08-15 Reinhard Schwienhorst

We present a phenomenological study of the single top (anti-)quark production with leptonic decays at the Large Hadron electron Collider (LHeC) at the next-to-leading-order (NLO) in QCD. We focus on various differential distributions in a…

High Energy Physics - Phenomenology · Physics 2021-09-22 Meisen Gao , Jun Gao

We present the calculation of the NLO QCD corrections to the electroweak production of top-antitop pairs at the CERN LHC in the presence of a new neutral gauge boson. The corrections are implemented in the parton shower Monte Carlo program…

High Energy Physics - Phenomenology · Physics 2016-03-23 R. Bonciani , T. Jezo , M. Klasen , F. Lyonnet , I. Schienbein

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

We study the hadronic production of four-quark states with double heavy quarks and double light antiquarks at LHC. The production mechanism is that a color anti-triplet diquark cluster consisting of double heavy quarks is formed first from…

High Energy Physics - Phenomenology · Physics 2015-05-27 Yu-Qi Chen , Su-Zhi Wu

We compute the production cross section of a top-antitop pair in association with a jet at hadron colliders at next-to-leading order accuracy matched with parton shower algorithms to make predictions at the hadron level. The parton shower…

High Energy Physics - Phenomenology · Physics 2015-03-17 Adam Kardos , Costas Papadopoulos , Zoltan Trocsanyi

In this talk we present the current status of the theoretical description of the production of top-quark pairs at the LHC, detailing recent progress for predictions at the stable-top level as well as for predictions that include the decay…

High Energy Physics - Phenomenology · Physics 2018-01-08 Andrew S. Papanastasiou
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