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In this contribution we present our recent computation of the NNLO QCD corrections to the production of a Higgs boson associated with a top-antitop quark pair. This process is of great importance since it allows for a direct measurement of…

High Energy Physics - Phenomenology · Physics 2023-10-10 Simone Devoto

We compute theoretical predictions for the production of a W-boson in association with a bottom-quark pair at hadron colliders at next-to-next-to-leading order (NNLO) in QCD, including the leptonic decay of the W-boson, while treating the…

High Energy Physics - Phenomenology · Physics 2022-05-17 Heribertus Bayu Hartanto , Rene Poncelet , Andrei Popescu , Simone Zoia

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

I present high-precision results for top quark production at hadron collider energies. Total and differential cross sections are calculated through aN$^3$LO for top-antitop pair production and through aNNLO for single-top production. Top…

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

We present a complete description of top quark pair production in association with a hard photon in the dilepton channel. Our calculation is accurate to NLO in QCD. It is based on matrix elements for $e^+\nu_e \mu^-\bar{\nu}_\mu b…

High Energy Physics - Phenomenology · Physics 2018-10-29 G. Bevilacqua , H. B. Hartanto , M. Kraus , T. Weber , M. Worek

Recent measurements of top-quark production at hadron colliders are reviewed. The inclusive top-quark pair production is determined at four centre-of-mass energies at Tevatron and LHC with experimental uncertainties that are close to the…

High Energy Physics - Experiment · Physics 2016-09-21 Markus Cristinziani

The top quark is the heaviest elementary particle in the Standard Model (SM). For this reason, a precise determination of its mass $m_t$ is part of the LHC physics program. The most accurate determinations of $m_t$ rely on the kinematic…

High Energy Physics - Phenomenology · Physics 2018-09-05 Silvia Ferrario Ravasio

A precise measurement of the top quark mass, a fundamental parameter of the Standard Model, is among the most important goals of top quark studies at the Large Hadron Collider. Apart from the standard methods, numerous new observables and…

High Energy Physics - Phenomenology · Physics 2018-04-04 G. Bevilacqua , H. B. Hartanto , M. Kraus , M. Schulze , M. Worek

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

In this proceeding we present predictions for the complete NLO QCD corrections to the production of $t\bar{t}b\bar{b}$ in the dilepton decay channel of the top quark at the LHC with $\sqrt{s}=13$ TeV. The calculation is performed…

High Energy Physics - Phenomenology · Physics 2022-02-10 Michele Lupattelli

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 present updated predictions for the total cross section of top-quark pair production at Tevatron and LHC. For the LHC we also provide results at sqrt(s) = 10 TeV, in view of the anticipated run in 2008 and quote numbers for the…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Moch , P. Uwer

Top-quark physics plays an important role at hadron colliders such as the Tevatron at Fermilab or the LHC at CERN. Given the planned precision at these colliders, precise theoretical predictions are required. In this paper we present the…

High Energy Physics - Phenomenology · Physics 2009-01-07 J. H. Kuhn , A. Scharf , P. Uwer

We present results for the total top-pair production cross section at the Tevatron and the LHC. Our predictions supplement fixed-order results with resummation of soft logarithms and Coulomb singularities to next-to-next-to-leading (NNLL)…

High Energy Physics - Phenomenology · Physics 2015-06-11 M. Beneke , P. Falgari , S. Klein , J. Piclum , C. Schwinn , M. Ubiali , F. Yan

We present the derivation of the NNLO two-parton final state contributions to top pair production in the quark-antiquark channel proportionnal to the leading colour factor $N_c^2$. Together with the three and four-parton NNLO contributions…

High Energy Physics - Phenomenology · Physics 2016-01-27 Gabriel Abelof , Aude Gehrmann-De Ridder , Imre Majer

We present theoretical predictions for the production of top-quark pairs in association with jets at the LHC including electroweak (EW) corrections. First, we present and compare differential predictions at the fixed-order level for $t \bar…

High Energy Physics - Phenomenology · Physics 2018-05-09 Christian Gütschow , Jonas M. Lindert , Marek Schönherr

The production of top-quark pairs in hadronic collisions is among the most important reactions in modern particle physics phenomenology and constitutes an instrumental avenue to study the properties of the heaviest quark observed in nature.…

High Energy Physics - Phenomenology · Physics 2022-02-25 Javier Mazzitelli , Pier Francesco Monni , Paolo Nason , Emanuele Re , Marius Wiesemann , Giulia Zanderighi

We compute the hadronic production of top-antitop pairs in association with a Higgs boson at next-to-leading-order QCD, including the decay of the top and antitop quark into bottom quarks and leptons. Our computation is based on full…

High Energy Physics - Phenomenology · Physics 2016-01-27 Ansgar Denner , Robert Feger

Motivated by ongoing new physics searches in the top-quark sector at the Large Hadron Collider we report on the calculation of NLO QCD corrections to the Standard Model $pp\to t\bar{t}Z+X$ process in the tetra-lepton decay channel. This…

High Energy Physics - Phenomenology · Physics 2022-08-09 Giuseppe Bevilacqua , Heribertus Bayu Hartanto , Manfred Kraus , Jasmina Nasufi , Malgorzata Worek

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
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