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Related papers: Production-decay interferences at NLO in QCD for t…

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We present a study of the $t$-channel mode of 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 a single top quark. The…

High Energy Physics - Phenomenology · Physics 2011-03-23 Qing-Hong Cao , Reinhard Schwienhorst , Jorge A. Benitez , Raymond Brock , C. -P. Yuan

We present a fully differential next-to-next-to-leading order calculation of t-channel single top-quark production and decay at the LHC under narrow-width approximation and neglecting cross-talk between incoming protons. We focus on the…

High Energy Physics - Phenomenology · Physics 2016-11-01 Edmond L. Berger , Jun Gao , C. -P. Yuan , Hua Xing Zhu

We compute the non-factorisable ${\cal O}(\alpha_s^2)$ corrections to $t$-channel single-top quark production at the LHC. These peculiar corrections arise because of interactions between the heavy- and the light-quark lines and appear for…

High Energy Physics - Phenomenology · Physics 2022-06-29 Christian Brønnum-Hansen , Kirill Melnikov , Jérémie Quarroz , Chiara Signorile-Signorile , Chen-Yu Wang

We present a study of single top and single antitop quark production in the t-channel mode at the LHC pp collider at 7 TeV, 10 TeV and 14 TeV, including next-to-leading order QCD corrections to the production and decay of the top quark. We…

High Energy Physics - Phenomenology · Physics 2011-02-23 Reinhard Schwienhorst , Qing-Hong Cao , C. -P. Yuan , Charles Mueller

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

We briefly summarise the results for the four top-quark production process in the 4$\ell$ decay channel at NLO accuracy in perturbative QCD. We employ the narrow-width approximation for the treatment of the unstable particles, preserving…

High Energy Physics - Phenomenology · Physics 2024-10-17 Nikolaos Dimitrakopoulos

We present a computation of QCD next-to-leading order virtual corrections to the top production and decay process at linear colliders. The top quarks are allowed to be off-shell and the production and decay subprocesses are treated…

High Energy Physics - Phenomenology · Physics 2009-11-07 Cosmin Macesanu

In this proceedings we briefly report on the state-of-the-art NLO QCD computation for the $pp\to t\bar{t}\gamma$ process in the di-lepton channel. We describe higher-order corrections to the $e^+\nu_e \, \mu^- \bar{\nu}_\mu \,…

High Energy Physics - Phenomenology · Physics 2021-01-20 Malgorzata Worek

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 report on a fully differential next-to-next-to-leading order (NNLO) calculation of s-channel single top (anti-)quark production with a semi-leptonic decay at the LHC, neglecting the color correlation between the light and heavy quark…

High Energy Physics - Phenomenology · Physics 2018-10-10 Ze Long Liu , Jun Gao

We present a calculation of t-channel single-top-quark production and decay in the five-flavor scheme at NNLO. Our results resolve a disagreement between two previous calculations of this process that found a difference in the inclusive…

High Energy Physics - Phenomenology · Physics 2021-02-19 John Campbell , Tobias Neumann , Zack Sullivan

In this work we present a calculation of both t-channel and s-channel single-top production at next-to-leading order in QCD for the Tevatron and for the LHC at a centre-of-mass energy of 7 TeV. All the cross sections and kinematical…

High Energy Physics - Phenomenology · Physics 2011-05-19 P. Falgari , F. Giannuzzi , P. Mellor , A. Signer

We describe the implementation of top production and decay processes in the parton-level Monte Carlo program MCFM. By treating the top quark as being on-shell, we can factorize the amplitudes for top-pair production, s-channel single-top…

High Energy Physics - Phenomenology · Physics 2012-04-09 John M. Campbell , R. Keith Ellis

We report on the computation of NLO QCD corrections to top-quark pair production in association with two photons at the LHC. Higher-order effects and photon bremsstrahlung are taken into account in the production and decays of the top-quark…

High Energy Physics - Phenomenology · Physics 2023-09-01 Daniel Stremmer , Malgorzata Worek

We describe the computation of the $\mathcal{O}(\alpha^3)$ corrections for single top (and single anti-top) production in the $t$-channel at hadron colliders. We show also The genuine one loop SUSY contribution to these processes. Such…

High Energy Physics - Phenomenology · Physics 2010-11-11 E. Mirabella

We present a study of electroweak production of top and antitop quarks in the s-channel mode at the LHC, including next-to-leading order (NLO) quantum chromodynamics (QCD) corrections to the production and decay of the single (anti)top…

High Energy Physics - Phenomenology · Physics 2010-04-29 Sarah Heim , Qing-Hong Cao , Reinhard Schwienhorst , C. -P. Yuan

A short summary of a NLO QCD calculation for the top-quark pair production with a jet in the dilepton decay channel is presented. The calculation takes into account all double, single, non-resonant and interference contributions. Thus, NLO…

High Energy Physics - Phenomenology · Physics 2016-08-19 Manfred Kraus

We calculate the O(alpha_s) and O(alpha_W m_t^2/M_W^2) corrections to the production of a single top quark via the weak process q qbar -> t bbar at the Fermilab Tevatron and the CERN Large Hadron Collider. An accurate calculation of the…

High Energy Physics - Phenomenology · Physics 2009-10-28 Martin C. Smith , Scott S. Willenbrock

We present a computation of QCD next-to-leading order corrections to the top production and decay process at linear colliders. The top quarks are allowed to be off-shell and the production and decay subprocesses are treated together, thus…

High Energy Physics - Phenomenology · Physics 2007-05-23 Cosmin Macesanu

We discuss the results for the four-top quark production process at the LHC at NLO accuracy in perturbative QCD for the $3\ell$ decay channel. The QCD corrections are applied in both the production and the decay stages of the four top…

High Energy Physics - Phenomenology · Physics 2026-02-04 Nikolaos Dimitrakopoulos
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