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We evaluate the theoretical uncertainties in next-to-leading order plus parton shower predictions for top quark pair production and decay in hadronic collisions. Our work is carried out using the Herwig 7 event generator and presents an…

High Energy Physics - Phenomenology · Physics 2020-01-08 Kyle Cormier , Simon Plätzer , Christian Reuschle , Peter Richardson , Stephen Webster

We review the history of jets in high energy physics, and describe in more detail the developments of the past ten years, discussing new algorithms for jet finding and their main characteristics, and summarising the status of perturbative…

High Energy Physics - Phenomenology · Physics 2015-09-09 Matteo Cacciari

In this contribution, I review some of the latest advances in calculational techniques in theoretical particle physics. I focus, in particular, on their application to the calculation of highly non-trivial scattering processes, which are…

High Energy Physics - Phenomenology · Physics 2021-11-02 Lorenzo Tancredi

With Run II of the LHC having started, the need for high precision theory predictions whose uncertainty matches that of the data to be taken necessitated a range of new developments in Monte-Carlo Event Generators. This talk will give an…

High Energy Physics - Phenomenology · Physics 2016-07-20 Marek Schönherr

We present new theoretical predictions for the t bar t production cross section at NNLO at the Tevatron and the LHC. We discuss the scale uncertainty and the errors due to the parton distribution functions (PDFs). For the LHC, we present a…

High Energy Physics - Phenomenology · Physics 2009-07-16 U. Langenfeld , S. Moch , P. Uwer

This report contains a brief summary of the latest single top quark production cross-section measurements performed by the ATLAS and CMS collaborations on pp collisions collected during Run 2 of the LHC. Various results for t-channel,…

High Energy Physics - Experiment · Physics 2024-01-17 Laura Pintucci

This paper presents a search for the pair production of top squarks in events with a single isolated electron or muon, jets, large missing transverse momentum, and large transverse mass. The data sample corresponds to an integrated…

High Energy Physics - Experiment · Physics 2014-01-03 The CMS Collaboration

The search for new interactions and particles in high-energy collider physics relies on precise background predictions. This has led to many advances in combining precise fixed-order cross-section calculations with detailed event generator…

High Energy Physics - Phenomenology · Physics 2021-11-24 Stefan Prestel

We present the complete threshold enhanced predictions in QCD for the total cross section of gluino pair production at hadron colliders at next-to-next-to-leading order. Thanks to the computation of the required one-loop hard matching…

High Energy Physics - Phenomenology · Physics 2012-11-26 Ulrich Langenfeld , Sven-Olaf Moch , Torsten Pfoh

New theoretical and experimental information motivates a re-examination of the Standard Model Higgs production rates at the LHC pp collider. We present calculations of the relevant cross sections and branching ratios, including recently…

High Energy Physics - Phenomenology · Physics 2008-02-03 Z. Kunszt , S. Moretti , W. J. Stirling

The top quark, the heaviest quark and, indeed, the heaviest elementary particle known today, constitutes a novel probe of the long-lived medium in quark-gluon phase which, as expected, can be produced even in light nuclei collisions at…

High Energy Physics - Phenomenology · Physics 2020-12-18 V. A. Okorokov

The production of four top quarks is a rare process in the Standard Model that provides unique opportunities and sensitivity to Standard Model observables including potential enhancement from many popular new physics extensions. This…

High Energy Physics - Experiment · Physics 2022-12-02 Freya Blekman , Fréderic Déliot , Valentina Dutta , Emanuele Usai

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

We present a fully-differential and high-precision calculation of top-quark pair-production and decay at the LHC, providing predictions for observables constructed from top-quark leptonic and $b$-flavoured jet final states. The calculation…

High Energy Physics - Phenomenology · Physics 2017-09-20 Jun Gao , Andrew S. Papanastasiou

The LHC provides new opportunities to improve our understanding of the b quark using high statistics data samples and the 14 TeV center-of-mass energy. The prospects to measure the cross section for inclusive b production in events…

High Energy Physics - Experiment · Physics 2007-06-14 Valery P. Andreev

Future lepton colliders will have a rich top quark physics program which would add to our understanding of this interesting quark and promise an ultimate precision on the experimental knowledge of top-quark mass. We present possible…

High Energy Physics - Experiment · Physics 2019-08-14 Min Suk Kim

For a proper theoretical description of the top quark pair production cross section at the First Muon Collider in the kinematic regime away from the threshold the complete mass and energy dependence has to be taken into account. Two-loop…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. H. Hoang

Cross section measurements of top quark production in association with a vector boson in proton-proton collisions at $\sqrt{s}=13\,\mathrm{TeV}$ at the CERN LHC provide an important probe of the electroweak top quark couplings. In this…

High Energy Physics - Experiment · Physics 2022-01-03 Joscha Knolle

Weak corrections for top-quark pair production at hadron colliders are revisited. Predictions for collider energies of 8 TeV, adopted to the recent LHC run, and for 13 as well as 14 TeV, presumably relevant for the next round of LHC…

High Energy Physics - Phenomenology · Physics 2015-02-27 J. H. Kühn , A. Scharf , P. Uwer

Signals for Lorentz and CPT violation can appear in a wide range of experiments including hadron colliders like the LHC. We present a calculation of the Lorentz-violating cross section for top-quark pair production via gluon fusion. This…

High Energy Physics - Phenomenology · Physics 2015-11-03 Zhi Liu