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Almost 20 years after its discovery, the top quark is still an interesting particle, undergoing precise investigation of its properties. For many years, the Tevatron proton antiproton collider at Fermilab was the only place to study top…

High Energy Physics - Experiment · Physics 2019-08-15 Reinhild Yvonne Peters

Running a future Linear Collider at the top pair threshold allows for precise measurements of the mass, the widths and the couplings of the top quark. I give a nontechnical review on recent theoretical developments and the theory status in…

High Energy Physics - Phenomenology · Physics 2009-11-11 Andre H. Hoang

The dependence of the top-quark mass measurement in top-quark pair production on the parton distribution functions (PDF) is explored through differential mass distributions in $t\bar{t}$ and $t\bar{t}j$ production at the LHC and a future…

High Energy Physics - Phenomenology · Physics 2023-08-08 Jason Gombas , Reinhard Schwienhorst , Jarrett Fein , Sara Sawford

In composite Higgs (CH) models, large mixings between the top quark and the new strongly interacting sector are required to generate its sizeable Yukawa coupling. Precise measurements involving top as well as left-handed bottom quarks…

High Energy Physics - Phenomenology · Physics 2019-01-30 Gauthier Durieux , Oleksii Matsedonskyi

The techniques used to study top quarks at hadron colliders are presented. The analyses that discovered the top quark are described, with emphasis on the techniques used to tag b-quark jets in candidate events. The most recent measurements…

High Energy Physics - Experiment · Physics 2007-05-23 Pekka K. Sinervo

We discuss the physics opportunities and detector challenges at future hadron colliders. As guidelines for energies and luminosities we use the proposed luminosity and/or energy upgrade of the LHC (SLHC), and the Fermilab design of a Very…

High Energy Physics - Phenomenology · Physics 2014-11-17 U. Baur , R. Brock , J. Parsons , M. Albrow , D. Denisov , T. Han , A. Kotwal , F. Olness , J. Qian , S. Belyaev

The influence of the top quark mass on mixing processes and precise electroweak measurements is described. Experimental observation of the top quark in proton-antiproton collisions is discussed, and some brief remarks are made about…

High Energy Physics - Phenomenology · Physics 2014-11-17 Jonathan L. Rosner

The top quark plays an important role in the grand scheme of particle physics, and is also interesting on its own merits. We present recent results from CDF on top-quark physics based on 100-200/pb of p-pbar collision data. We have measured…

High Energy Physics - Experiment · Physics 2007-05-23 Kenneth Bloom

A high energy muon collider can provide new and complementary discovery potential to the LHC or future hadron colliders. Leptoquarks are a motivated class of exotic new physics models, with distinct production channels at hadron and lepton…

High Energy Physics - Phenomenology · Physics 2021-11-10 Pouya Asadi , Rodolfo Capdevilla , Cari Cesarotti , Samuel Homiller

The top quark is the heaviest elementary particle observed to date. Its large mass makes the top quark an ideal laboratory to test predictions of perturbation theory concerning heavy quark production at hadron colliders. The top quark is…

High Energy Physics - Phenomenology · Physics 2009-11-11 Wolfgang Wagner

Future electron-positron colliders offer a unique opportunity for high-precision measurements of the top-quark mass, width, strong coupling constant, and top-quark Yukawa coupling via a scan of the $t\bar{t}$ threshold. We present the first…

High Energy Physics - Phenomenology · Physics 2026-03-19 Leyan Li , Yuming Lin , Xiaohu Sun , Yajun Mao , Zhan Li , Kaili Zhang , Shudong Wang , Gang Li , Hongbo Liao , Yaquan Fang

I am summarizing here the determination of the top-quark mass from the CDF and D0 Collaborations at the Tevatron and the ATLAS and CMS Collaborations at the LHC using non-conventional methods. I am concentrating on the extraction of the…

High Energy Physics - Experiment · Physics 2019-08-15 Frédéric Déliot

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

The Large Hadron Collider (LHC) will provide a huge amount of top-antitop events, making the LHC a top quark factory, producing 1 tt pair per second at a luminosity of 10^33cm-2s-1. A large top quark sample will be available from the start…

High Energy Physics - Experiment · Physics 2019-08-14 M. Vander Donckt

With the large data set delivered during the second run of the CERN LHC, inclusive and differential measurements of the top quark-antiquark production cross section at the ATLAS and CMS experiments often reach a precision that is comparable…

High Energy Physics - Experiment · Physics 2021-05-13 Matteo M. Defranchis

We present a study of the expected precision of the top quark mass determination, measured at a linear e+ e- collider based on CLIC technology. GEANT4-based detector simulation and full event reconstruction including realistic physics and…

High Energy Physics - Experiment · Physics 2013-08-28 Katja Seidel , Frank Simon , Michal Tesar , Stephane Poss

The top quark mass is currently measured to delta m_t^{exp,Tevatron} = 2.9 GeV and will be measured at the LHC to a precision of delta m_t^{exp,LHC} \approx 1-2 GeV. We show that even this impressive precision will not be sufficient for…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Heinemeyer , G. Weiglein

We studied the collider phenomenology of third-generation scalar leptoquarks at the Large Hadron Collider (LHC) with a 14 TeV center-of-mass energy. The analysis focuses on leptoquarks decaying exclusively into top quarks and tau leptons,…

High Energy Physics - Phenomenology · Physics 2025-01-14 Debabrata Sahoo , Rameswar Sahu , Kirtiman Ghosh

Top quarks are a prime system for hunting for new physics. Nonetheless, two decades on from their discovery few of their couplings have been measured to high precision. We present an overview of current determinations and the expected…

High Energy Physics - Experiment · Physics 2013-09-17 Jahred Adelman , Matthew Baumgart , Aran Garcia-Bellido , Andrey Loginov

The ATLAS detector is one of the two multi-purpose experiments located at the Large Hadron Collider (LHC) at CERN and is expected to collect first collision data in summer 2009. Due to the large top-quark production cross-section the LHC…

High Energy Physics - Experiment · Physics 2009-01-13 J. Schieck