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We present phenomenological predictions at NNLO QCD and NLO EW accuracy for $t \bar t$ distributions at the LHC (8 and 13 TeV). We discuss the impact of the electroweak corrections and quantify the theory errors from scale and PDF…

High Energy Physics - Phenomenology · Physics 2017-09-01 Davide Pagani

We obtain a soft plus virtual approximation to the NNLO QCD contributions to the top-pair invariant mass distribution at hadron colliders. It is valid up to corrections of order m_t^2/M^2, with M the pair invariant mass. This is currently…

High Energy Physics - Phenomenology · Physics 2015-06-16 Andrea Ferroglia , Ben D. Pecjak , Li Lin Yang

We calculate the next-to-leading order (NLO) quantum chromodynamics (QCD) correction to the exclusive process $\gamma+\gamma\to J/\psi+J/\psi$ in the framework of non-relativistic QCD (NRQCD) factorization formalism. The cross sections at…

High Energy Physics - Phenomenology · Physics 2020-06-11 Hao Yang , Zi-Qiang Chen , Cong-Feng Qiao

We calculate the next-to-leading order QCD corrections to the spin-dependent cross section for single-inclusive hadron production in hadronic collisions. This process will be soon studied experimentally at RHIC, providing a tool to unveil…

High Energy Physics - Phenomenology · Physics 2009-11-07 Daniel de Florian

We consider QCD radiative corrections to Higgs boson pair production through gluon fusion in proton collisions. We combine the exact next-to-leading order (NLO) contribution, which features two-loop virtual amplitudes with the full…

High Energy Physics - Phenomenology · Physics 2018-06-13 Massimiliano Grazzini , Gudrun Heinrich , Stephen Jones , Stefan Kallweit , Matthias Kerner , Jonas M. Lindert , Javier Mazzitelli

We report on the first fully differential calculation of the next-to-next-to-leading-order (NNLO) QCD radiative corrections to the production of bottom-quark pairs at hadron colliders. The calculation is performed by using the $q_T$…

High Energy Physics - Phenomenology · Physics 2021-03-17 Stefano Catani , Simone Devoto , Massimiliano Grazzini , Stefan Kallweit , Javier Mazzitelli

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

In this contribution, we present new results of next-to-leading order (NLO) electroweak corrections to the doubly polarized $W^+W^-$ production cross sections at the LHC, via the full leptonic final state. This calculation has been recently…

High Energy Physics - Phenomenology · Physics 2025-05-27 Thi Nhung Dao , Duc Ninh Le

We discuss top-quark pair production at hadron colliders and review available calculations of differential top-pair production cross section in perturbative QCD at approximate next-to-next-to-leading order (NNLO) within the threshold…

High Energy Physics - Phenomenology · Physics 2013-08-08 Marco Guzzi , Katerina Lipka , Sven-Olaf Moch

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 a study of s-channel single top quark production at the upgraded Tevatron $p\bar{p}$ collider, including the next-to-leading order (NLO) QCD corrections to the production and the decay of the top quark. The "modified" narrow…

High Energy Physics - Phenomenology · Physics 2011-03-23 Qing-Hong Cao , Reinhard Schwienhorst , C. -P. Yuan

The implementation of the full next-to-leading order (NLO) QCD corrections to electroweak Higgs boson plus three jet production at hadron colliders such as the LHC within the Matchbox NLO framework of the Herwig++ event generator is…

High Energy Physics - Phenomenology · Physics 2013-11-22 Francisco Campanario , Terrance M. Figy , Simon Plätzer , Malin Sjödahl

QCD corrections to $e^+e^- \ra WW \ra q_1 \bar q_1 q_2 \bar q_2$ are computed and presented in a form which allows to impose realistic cuts on the structure of the observed events. QCD radiation substantially modifies the jet--jet invariant…

High Energy Physics - Phenomenology · Physics 2009-10-28 E. Maina , M. Pizzio

We determine the NNLO electroweak correction to the $e^+ e^-\to b\bar{b}W^+W^- X$ production cross section near the top-pair production threshold. The calculation includes non-resonant production of the final state as well as electroweak…

High Energy Physics - Phenomenology · Physics 2018-02-28 Martin Beneke , Andreas Maier , Thomas Rauh , Pedro Ruiz-Femenia

A short summary of results for top-quark pair production in association with a jet with NLO QCD off-shell effects at the LHC is given. The calculation is based on the matrix element for the $pp \to e^+ \nu_e \mu^-\bar{\nu}_\mu b\bar{b} j$…

High Energy Physics - Phenomenology · Physics 2016-07-07 Malgorzata Worek

In this work we calculate for the first time the next-to-next-to leading order (NNLO) QCD corrections to identified hadron production at hadron colliders. The inclusion of the NNLO correction has an important impact on all observables…

High Energy Physics - Phenomenology · Physics 2025-10-23 Michał Czakon , Terry Generet , Alexander Mitov , Rene Poncelet

The $J/\psi+Z^0$ associated production at the LHC is an important process in investigating the color-octet mechanism of non-relativistic QCD in describing the processes involving heavy quarkonium. We calculate the next-to-leading order…

High Energy Physics - Phenomenology · Physics 2012-11-20 Song Mao , Ma Wen-Gan , Li Gang , Zhang Ren-You , Guo Lei

We consider top-anti-top production near threshold in $e^+ e^-$ collisions, resumming Coulomb-enhanced corrections at next-to-next-to-leading order (NNLO). We also sum potentially large logarithms of the small top quark velocity at the…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Beneke , A. Signer , V. A. Smirnov

We calculate the complete next-to-leading-order (NLO) QCD corrections (including SUSY QCD corrections) to the inclusive total cross sections of the associated production processes $pp\rightarrow A^{0}\gamma+X$ in the minimal supersymmetric…

High Energy Physics - Phenomenology · Physics 2015-03-17 Liang Dai , Ding Yu Shao , Chong Sheng Li , Jun Gao , Hao Zhang

We compute next-to-next-to-leading order QCD corrections to the gluon-induced production cross section of Higgs boson pairs in the large top quark mass limit using the soft-virtual approximation. In the limit of infinitely-heavy top quark…

High Energy Physics - Phenomenology · Physics 2015-12-09 Jonathan Grigo , Jens Hoff , Matthias Steinhauser