English
Related papers

Related papers: Multi-jet merged top-pair production including ele…

200 papers

In this proceedings we compare phenomenological predictions for differential distributions in top-quark pair production at the LHC. In particular we consider NNLO QCD fixed-order predictions and parton-level predictions based on NLO QCD…

We present a fully automated implementation of next-to-leading order electroweak (NLO EW) corrections in the OpenLoops matrix-element generator combined with the Sherpa and Munich Monte Carlo frameworks. The process-independent character of…

High Energy Physics - Phenomenology · Physics 2015-03-20 Stefan Kallweit , Jonas M. Lindert , Philipp Maierhöfer , Stefano Pozzorini , Marek Schönherr

We present next-to-leading order (NLO) predictions including QCD and electroweak (EW) corrections for the production and decay of off-shell electroweak vector bosons in association with up to two jets at the 13 TeV LHC. All possible…

High Energy Physics - Phenomenology · Physics 2016-05-04 Stefan Kallweit , Jonas M. Lindert , Stefano Pozzorini , Marek Schönherr , Philipp Maierhöfer

We present the next-to-leading order (NLO) electroweak (EW) corrections to the top quark pair production associated with a hard photon at the current and future hadron colliders. The dependence of the leading order (LO) and NLO EW corrected…

High Energy Physics - Phenomenology · Physics 2017-01-17 Peng-Fei Duan , Yu Zhang , Yong Wang , Mao Song , Gang Li

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

We present differential cross sections for the production of top-quark pairs in conjunction with up to two jets, computed at next-to leading order in perturbative QCD and consistently merged with a parton shower in the Sherpa+OpenLoops…

High Energy Physics - Phenomenology · Physics 2015-07-01 Stefan Höche , Frank Krauss , Philipp Maierhoefer , Stefano Pozzorini , Marek Schonherr , Frank Siegert

Presented are complete electroweak (EW) corrections at ${\cal O}(\alpha\alpha_{\mathrm s}^{\mathrm 2})$ to top-squark pair production at the Large Hadron Collider (LHC) within the framework of the Minimal Supersymmetric Standard Model…

High Energy Physics - Phenomenology · Physics 2007-10-15 Wolfgang Hollik , Monika Kollar , Maike K. Trenkel

In this talk we present a fully automated implementation of next-to-leading order electroweak (NLO EW) corrections in OpenLoops together with Sherpa and Munich. As a first application, we present NLO QCD+EW predictions for the production of…

High Energy Physics - Phenomenology · Physics 2015-05-22 Stefan Kallweit , Jonas M. Lindert , Stefano Pozzorini , Marek Schönherr , Philipp Maierhöfer

We present calculations of higher-order QCD and electroweak (EW) corrections to the associated production of a top-antitop quark pair and a $Z$ boson, i.e. $t{\bar t}Z$ production, in proton collisions. We find that the contributions from…

High Energy Physics - Phenomenology · Physics 2025-10-21 Nikolaos Kidonakis , Chris Foster

We present a complete next-to-leading order study of top-squark pair production at the LHC, including QCD and EW corrections. The calculation is performed within the Minimal Supersymmetric Standard Model and numerical results are presented…

High Energy Physics - Phenomenology · Physics 2015-06-19 Jan Germer , Wolfgang Hollik , Jonas M. Lindert , Edoardo Mirabella

A search is presented for the electroweak production of a top quark pair in association with a $W$ boson and at least one additional jet, known as the ${t\bar{t}W\kern-0.2em j_{\mathrm{EW}}}$ process. This process has embedded within it a…

High Energy Physics - Experiment · Physics 2025-09-24 ATLAS Collaboration

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

In this work we present for the first time predictions for top-quark pair differential distributions at the LHC at NNLO QCD accuracy and including EW corrections. For the latter we include not only contributions of ${\cal O}(\alpha_s^2…

High Energy Physics - Phenomenology · Physics 2017-11-16 Michal Czakon , David Heymes , Alexander Mitov , Davide Pagani , Ioannis Tsinikos , Marco Zaro

We compute the next-to-leading order corrections of $O(\alpha_s^2\alpha^3)$ to the hadronic production of two oppositely charged leptons and two hard jets, $p p \to j j l^- l^+$, using Recola and Collier. We include electroweak and QCD…

High Energy Physics - Phenomenology · Physics 2015-06-23 Ansgar Denner , Lars Hofer , Andreas Scharf , Sandro Uccirati

Single-jet production with missing transverse momentum is one of the most promising discovery channels for new physics at the LHC. In the Standard Model, Z + jet production with a Z-boson decay into neutrinos leads to this monojet…

High Energy Physics - Phenomenology · Physics 2015-06-12 Ansgar Denner , Stefan Dittmaier , Tobias Kasprzik , Alexander Mück

We present the complete next-to-leading order (NLO) QCD and NLO electroweak (EW) corrections to the $W$-boson pair production associated with a hard jet at the LHC including the spin correlated $W$-boson leptonic decays. The dependence of…

High Energy Physics - Phenomenology · Physics 2015-09-15 Li Wei-Hua , Zhang Ren-You , Ma Wen-Gan , Guo Lei , Li Xiao-Zhou , Zhang Yu

In this talk we discuss the next-to-leading-order electroweak (EW) corrections to W-boson + jet hadroproduction [1] and compare the full result to a simple approximation assuming factorization of EW and QCD corrections for the…

High Energy Physics - Phenomenology · Physics 2010-01-15 Ansgar Denner , Stefan Dittmaier , Tobias Kasprzik , Alexander Mück

We present theoretical predictions for the production of top-quark pairs with up to three jets at the next-to leading order in perturbative QCD. The relevant calculations are performed with Sherpa and OpenLoops. To address the issue of…

High Energy Physics - Phenomenology · Physics 2017-04-05 Stefan Höche , Philipp Maierhoefer , Niccolo Moretti , Stefano Pozzorini , Frank Siegert

We consider top quark pair production in association with a hard jet through next-to-leading order in perturbative QCD. Top quark decays are treated in the narrow width approximation and spin correlations are retained throughout the…

High Energy Physics - Phenomenology · Physics 2013-05-30 Kirill Melnikov , Andreas Scharf , Markus Schulze

First, we present a combined analysis of ${\rm p}{\rm p} \to \mu^+ \nu_\mu {\rm e}^- \bar \nu_{\rm e}$ and ${\rm p}{\rm p} \to \mu^+ \nu_\mu {\rm e}^- \bar \nu_{\rm e} {\rm j}$ at next-to-leading order, including both QCD and electroweak…

High Energy Physics - Phenomenology · Physics 2020-12-02 Stephan Bräuer , Ansgar Denner , Mathieu Pellen , Marek Schönherr , Steffen Schumann
‹ Prev 1 2 3 10 Next ›