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I present a brief theoretical update on top quark pair production at the Tevatron and give values of the NNLO-NNNLL cross section for both m_t=175 and 178 GeV. I then present a calculation of the cross section for charged Higgs production…

High Energy Physics - Phenomenology · Physics 2023-02-21 Nikolaos Kidonakis

We present a fully-differential calculation of the NNLO QCD corrections to the t-channel mechanism for producing single top quarks at the LHC. We work in the structure function approximation, computing QCD corrections to the light- and…

High Energy Physics - Phenomenology · Physics 2015-06-19 Mathias Brucherseifer , Fabrizio Caola , Kirill Melnikov

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 present theoretical calculations of higher-order QCD and electroweak corrections for the associated production of a top-antitop quark pair and a $W$ boson ($t{\bar t}W$ production) at LHC energies. We show predictions for cross sections…

High Energy Physics - Phenomenology · Physics 2024-06-25 Nikolaos Kidonakis , Chris Foster

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 present the complete next-to-leading order (NLO) QCD corrections to the top quark associated with $\gamma$ production induced by model-independent $tq\gamma$ and $tqg$ flavor-changing neutral-current (FCNC) couplings at hadron colliders,…

High Energy Physics - Phenomenology · Physics 2015-03-18 Yue Zhang , Bo Hua Li , Chong Sheng Li , Jun Gao , Hua Xing Zhu

We compute the complete next-to-leading order (NLO) SUSY-QCD corrections for the associated production of a pseudoscalar Higgs boson with a bottom quark via bottom-gluon fusion at the CERN Large Hadron Collider (LHC) and the Fermilab…

High Energy Physics - Phenomenology · Physics 2009-11-10 Hou Hong-Sheng , Ma Wen-Gan , Zhang Ren-You , Sun Yan-Bin , Wu Peng

We calculate the electroweak corrections of the order $O({m_t^2\over v^2})$ to the QCD production of $t\bar{t}$ pairs via $q+qbar->t+tbar$ at hadron colliders and show that these corrections to the total production rate are small. This…

High Energy Physics - Phenomenology · Physics 2009-09-25 C. Kao , G. A. Ladinsky , C. -P. Yuan

We present the calculations of the complete next-to-leading order (NLO) 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…

High Energy Physics - Phenomenology · Physics 2011-09-13 Li Gang Jin , Chong Sheng Li , Jian Jun Liu

I present a master formula for the next-to-next-to-leading order (NNLO) soft and virtual QCD corrections for any process in hadron-hadron and lepton-hadron colliders. The formula is derived from a unified threshold resummation formalism.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Nikolaos Kidonakis

We compute the cross section and differential distributions for the production of a Z boson in association with a hadronic jet to next-to-next-to-leading order (NNLO) in perturbative QCD, including the leptonic decay of the Z boson. We…

High Energy Physics - Phenomenology · Physics 2016-07-13 A. Gehrmann-De Ridder , T. Gehrmann , E. W. N. Glover , A. Huss , T. A. Morgan

I present a calculation of approximate N$^3$LO corrections from NNLL soft-gluon resummation for differential distributions in top-antitop pair production in hadronic collisions. Soft-gluon corrections are the dominant contribution to…

High Energy Physics - Phenomenology · Physics 2023-02-21 Nikolaos Kidonakis

We present precise theoretical results for the $ZH$ production cross section and invariant mass distribution at the Large Hadron Collider (LHC) taking into account the effects of soft gluons. We improve both quark-initiated and…

High Energy Physics - Phenomenology · Physics 2025-12-03 Goutam Das , Chinmoy Dey , M. C. Kumar , Kajal Samanta

I present the next-to-next-to-leading-logarithm (NNLL) resummation of soft and collinear gluon corrections to single top quark production in the s channel. Attaining NNLL accuracy involves the calculation of the two-loop soft anomalous…

High Energy Physics - Phenomenology · Physics 2010-04-14 Nikolaos Kidonakis

QCD corrections to inclusive Higgs boson production at the LHC are evaluated at next-to-next-to leading order. By performing asymptotic expansion of the cross section near the limit of infinitely heavy top quark we obtained a few first top…

High Energy Physics - Phenomenology · Physics 2010-05-18 Alexey Pak , Mikhail Rogal , Matthias Steinhauser

We report on updated precision predictions for total cross sections of coloured supersymmetric particle production at the LHC with a centre-of-mass energy of $\sqrt S$ = 13.6 TeV, computed with the modern PDF4LHC21 set. The cross sections…

High Energy Physics - Phenomenology · Physics 2024-11-14 Wim Beenakker , Christoph Borschensky , Michael Krämer , Anna Kulesza , Eric Laenen , Judita Mamužić , Laura Moreno Valero

Relativistic corrections to the color-singlet J/\psi hadroproduction at the Tevatron and LHC are calculated up to O(v^2) in nonrelativistic QCD (NRQCD). The short distance coefficients are obtained by matching full QCD with NRQCD results…

High Energy Physics - Phenomenology · Physics 2009-11-19 Ying Fan , Yan-Qing Ma , Kuang-Ta Chao

We give a brief overview of our calculation of the next-to-next-to-leading order (NNLO) QCD corrections to Z+jet production in hadronic collisions. Phenomenological results are presented which comprise various differential distributions for…

High Energy Physics - Phenomenology · Physics 2016-07-07 A. Gehrmann-De Ridder , T. Gehrmann , E. W. N. Glover , A. Huss , T. A. Morgan

We review theoretical calculations for top-quark production that include complete next-to-leading-order QCD corrections as well as higher-order soft-gluon corrections from threshold resummation. We discuss in detail the differences between…

High Energy Physics - Phenomenology · Physics 2015-05-30 Nikolaos Kidonakis , Ben D. Pecjak

We present results for the top quark pair cross section at the Tevatron and the LHC. We use the resummed double differential cross section, employing the fully kinematics-dependent soft anomalous dimension matrices, to calculate the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Nikolaos Kidonakis , Ramona Vogt