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Related papers: The Top Cross Section in Hadronic Collisions

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We compute, in the framework of renormalon calculus, the ${\cal O}(\Lambda_{\rm QCD})$ corrections to the production of $t\bar{t}$ pairs in hadron collisions under the assumption that $q \bar q \to t \bar t$ is the dominant partonic…

High Energy Physics - Phenomenology · Physics 2024-11-25 Sergei Makarov , Kirill Melnikov , Paolo Nason , Melih A. Ozcelik

We investigate the production of highly energetic top-quark pairs at hadron colliders, focusing on the case where the invariant mass of the pair is much larger than the mass of the top quark. In particular, we set up a factorization…

High Energy Physics - Phenomenology · Physics 2013-05-30 Andrea Ferroglia , Ben D. Pecjak , Li Lin Yang

We investigate the resummation of large logarithmic perturbative corrections to the partonic cross sections for single-inclusive high-p_T hadron production in collisions of transversely polarized hadrons. We perform the resummation to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Daniel de Florian , Werner Vogelsang , Federico Wagner

We present a calculation of the total cross section for top quark production based on a new perturbative resummation of gluon radiative corrections to the basic QCD subprocesses. We use Principal Value Resummation to calculate all relevant…

High Energy Physics - Phenomenology · Physics 2009-10-28 Edmond L. Berger , Harry Contopanagos

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

In this paper, a combined resummation of soft and Coulomb corrections is performed for the associated production of the Higgs boson with a top quark pair at the LHC. We illustrate the similarities and critical differences between this…

High Energy Physics - Phenomenology · Physics 2019-07-24 Wan-Li Ju , Li Lin Yang

A long-standing discrepancy between the bottom-quark production cross section and predictions of perturbative quantum chromodynamics is addressed. We show that pair production of light gluinos, of mass 12 to 16 GeV, with two-body decays…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. L. Berger , B. W. Harris , D. E. Kaplan , Z. Sullivan , T. M. P. Tait , C. E. M. Wagner

We make use of recent results in effective theory and higher-order perturbative calculations to improve the theoretical predictions of the top-quark pair production cross section at hadron colliders. In particular, we supplement the…

High Energy Physics - Phenomenology · Physics 2015-05-28 Valentin Ahrens , Andrea Ferroglia , Matthias Neubert , Ben D. Pecjak , Li Lin Yang

We review the status of the QCD corrected cross sections and kinematic distributions for the production of a Higgs boson in association with top quark or bottom quark pairs at the Fermilab Tevatron and at the LHC. Results for b-bbar-H…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Dawson , C. B. Jackson , L. Reina , D. Wackeroth

We calculate the one-loop supersymmetric electroweak-like and QCD-like corrections to the top-quark pair-production cross section at the Tevatron, including the important effects of non-degenerate top-squarks and left-right top-squark…

High Energy Physics - Phenomenology · Physics 2009-10-28 J. Kim , J. Lopez , D. Nanopoulos , R. Rangarajan

We calculate the $O(\alpha_{ew}m_{t(b)}^{2}/m_{W}^{2})$ and $O(\alpha_{ew} m_{t(b)}^4/m_W^4)$ supersymmetric electroweak corrections to the cross section for the charged Higgs boson production in association with a top quark at the Tevatron…

High Energy Physics - Phenomenology · Physics 2009-10-31 Li Gang Jin , Chong Sheng Li , Robert J. Oakes , Shou Hua Zhu

We study the QCD charge asymmetry in t\bar{t} production at the Tevatron. We investigate the role of higher orders in perturbation theory by considering the resummation of potentially large logarithmic corrections that arise near partonic…

High Energy Physics - Phenomenology · Physics 2008-11-26 Leandro G. Almeida , George Sterman , Werner Vogelsang

We present details of a calculation of the cross section for hadronic top-antitop production in next-to-leading order (NLO) QCD, including the decays of the top and antitop into bottom quarks and leptons. This calculation is based on matrix…

High Energy Physics - Phenomenology · Physics 2012-11-07 Ansgar Denner , Stefan Dittmaier , Stefan Kallweit , Stefano Pozzorini

We review the asymmetries in top quark pair production at the Tevatron and the LHC. We summarize the experimental measurements and the interpretations of a possible excess in terms of new physics. We also review other top quark…

High Energy Physics - Phenomenology · Physics 2015-06-11 J. A. Aguilar-Saavedra , D. Amidei , A. Juste , M. Perez-Victoria

We derive the threshold-resummed total cross section for heavy quark production in hadronic collisions accurate to next-to-next-to-leading logarithm, employing recent advances on soft anomalous dimension matrices for massive pair production…

High Energy Physics - Phenomenology · Physics 2009-11-05 M. Czakon , A. Mitov , G. Sterman

The theoretical status of MSSM particle production at the hadron colliders Tevatron and LHC is reviewed, including next-to-leading order supersymmetric QCD corrections. The higher-order corrections significantly reduce the theoretical…

High Energy Physics - Phenomenology · Physics 2009-04-13 Michael Krämer

I present calculations of soft and collinear corrections to the cross sections for single top quark production, and for Higgs production via b bbar -> H at the Tevatron and the LHC. I show that the corrections provide significant…

High Energy Physics - Phenomenology · Physics 2008-12-19 Nikolaos Kidonakis

I present results for the top quark pair total cross section and the top quark transverse momentum distribution at Tevatron and LHC energies. I also present results for single top quark production. All calculations include NNLO corrections…

High Energy Physics - Phenomenology · Physics 2011-05-19 Nikolaos Kidonakis

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

I review standard top quark production at the Fermilab Tevatron. The current theoretical understanding of the total cross section and many partial differential cross sections is presented. Studies on the effects of extra gluon radiation on…

High Energy Physics - Phenomenology · Physics 2009-10-28 Stephen Parke
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