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Related papers: Four-top quark physics at the LHC

200 papers

Recent measurements of top quark properties at the LHC from ATLAS and CMS experiments are presented. The presented results include top quark mass, dependence of top mass measurements on event kinematics, top anti-top mass difference, bottom…

High Energy Physics - Experiment · Physics 2019-08-15 Efe Yazgan

In this letter I quantify the effects of varying the top Yukawa coupling in the process of production of three Higgs bosons at the LHC. Modifications of the coupling within experimentally observed ranges have a sizeable impact on the total…

High Energy Physics - Phenomenology · Physics 2026-03-13 Luca Panizzi

Overview on top couplings measurements is presented, and the prospects of future measurements are discussed. The coupling of top to the W boson can be examined either by looking at the decay of the top quark or from single top quark…

High Energy Physics - Experiment · Physics 2013-09-17 Jahred Adelman , Barbara Alvarez Gonzalez , Yang Bai , Matthew Baumgart , Richard Keith Ellis , Sasha Khanov , Andrey Loginov , Marcel Vos

The production of a single top quark in association with an isolated photon probes the electromagnetic coupling structure of the top quark. We investigate the sensitivity of kinematical distributions at the LHC in single-top-plus-photon…

High Energy Physics - Phenomenology · Physics 2013-08-27 Matteo Fael , Thomas Gehrmann

The large number of top quarks produced at the LHC and possible future hadron colliders allows to study rare decays of this particle. In many well motivated models of new physics, for example in non-minimal composite-Higgs models, the…

High Energy Physics - Phenomenology · Physics 2018-09-03 Shankha Banerjee , Mikael Chala , Michael Spannowsky

The LHC may be currently seeing the first hints of the Higgs boson. The dominant production mode for the Higgs at the LHC involves a top-quark loop. An accurate measurement of Higgs production cross-sections and decay widths can thus be…

High Energy Physics - Phenomenology · Physics 2012-11-28 Debajyoti Choudhury , Pratishruti Saha

We review some recent theoretical progresses towards the determination of the top-quark couplings beyond the standard model. We briefly introduce the global effective field theory approach to the top-quark production and decay processes,…

High Energy Physics - Phenomenology · Physics 2017-08-31 Cen Zhang

The experimental status of measurements of the top quark mass is reviewed. After an introduction to the definition of the top quark mass and the production and decay of top quarks, an in-depth comparison of the analysis techniques used in…

High Energy Physics - Experiment · Physics 2010-03-03 Frank Fiedler

This paper provides a review of the experimental studies of processes with a single top quark at the Tevatron proton-antiproton collider and the LHC proton-proton collider. Single top-quark production in the t-channel process has been…

High Energy Physics - Experiment · Physics 2018-07-25 Andrea Giammanco , Reinhard Schwienhorst

We discuss the physics of single-top quark production and decay at hadron colliders, such as the Tevatron, the \tevstar~and the LHC. Our study includes how to measure the mass and the width of the top quark produced from a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Douglas O. Carlson

We present discovery limits for heavy quarks in the Bestest Little Higgs model via pair production at the LHC running at $\sqrt{s} = 7 \mathrm{TeV}$. We study pair produced heavy top-like quarks decaying to $b\bar{b}W^+W^-$ and $t\bar{t}ZZ$…

High Energy Physics - Phenomenology · Physics 2012-04-18 Stephen Godfrey , Thomas Gregoire , Pat Kalyniak , Travis A. W. Martin , Kenneth Moats

The ATLAS potential for the study of the top quark properties and physics beyond the Standard Model in the top quark sector, is described. The measurements of the top quark charge, the spin and spin correlations, the Standard Model decay…

High Energy Physics - Experiment · Physics 2019-08-13 Dilip Jana

Recent measurements of top quark pair and single top production are presented. The results include inclusive cross sections as well as studies of differential distributions. Evidence for single top quark production in association with a…

High Energy Physics - Experiment · Physics 2019-08-15 Andreas B. Meyer

I review recent theory developments in the computation of Higgs production in association with top quarks, as well as the modelling of the corresponding backgrounds. In addition to progress within the Standard model I discuss higher-order…

High Energy Physics - Phenomenology · Physics 2017-12-29 Eleni Vryonidou

Top quark production in proton proton collisions at the Large Hadron Collider (LHC) is reviewed using data collected by the ATLAS and CMS detectors. Most recent results on searches for new physics related to top quark production mechanism…

High Energy Physics - Experiment · Physics 2019-08-15 Francesco Spanò

The large data samples of thousands of top events collected at the Tevatron experiments CDF and D0 allow for a variety of measurements to analyze the properties of the top quark. Guided by the question "Is the top quark observed at the…

High Energy Physics - Experiment · Physics 2011-11-10 Ulrich Husemann

In these proceedings we explore the possibility of new physics manifesting itself in rare top quark decays. In particular, we adopt an effective theory description of FCNC t -> q V top quark decays and possible deviations from the SM form…

High Energy Physics - Phenomenology · Physics 2012-12-03 Jure Drobnak

The amount of data collected by the CMS experiment at the CERN LHC in the second data taking period provides the possibility to study absolute and differential cross sections of top quark interaction processes with high precision. Utilizing…

High Energy Physics - Experiment · Physics 2021-06-08 Sebastian Wuchterl

The potential of LHC for investigation of the $W$-$t$-$b$ vertex through the $tW$ channel of single top quark production is studied. Unlike the other two single top quark production processes ($t-$channel and $s-$channel), the $tW$ channel…

High Energy Physics - Phenomenology · Physics 2009-01-06 Mojtaba Mohammadi Najafabadi

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