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Related papers: Top Quark Properties

200 papers

Identification of boosted, hadronically-decaying top quarks is a problem of central importance for physics goals of the Large Hadron Collider. We present a theoretical analysis of top quark tagging, establishing zeroth-order, minimal…

High Energy Physics - Phenomenology · Physics 2024-11-04 Andrew J. Larkoski

The large amount of data recorded with the ATLAS detector at the Large Hadron Collider, corresponding to 140 fb$^{-1}$ of $pp$ collisions at a centre-of-mass energy of $\sqrt{s}=13$ TeV, has brought our knowledge of the top quark to a…

High Energy Physics - Experiment · Physics 2025-04-22 ATLAS Collaboration

We present an improved search for single top quarks in two production modes, s-channel (tb) and t-channel (tqb). The search is performed in the electron+jets and muon+jets decay channels, with one or more b-tagged jets, on nearly 370…

High Energy Physics - Experiment · Physics 2019-08-14 S. Jabeen

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

This paper presents a personal point of view on the prospects open for top quark physics analyses at the LHC with 10 fb$^{-1}$ of pp collisions at 7 TeV. We discuss the main directions for improvement for the analyses presented at TOP2011…

High Energy Physics - Experiment · Physics 2022-03-02 Andrea Giammanco

As the heaviest known fundamental particle, the top quark has taken a central role in the study of fundamental interactions. Production of top quarks in pairs provides an important probe of strong interactions. The top quark mass is a key…

High Energy Physics - Experiment · Physics 2008-11-26 R. Kehoe , M. Narain , A. Kumar

Anomalies in recent LHCb, Belle and Babar measurements of $R_{D^{(*)}}$, and $R_{K^{(*)}}$ in $B$ decays may indicate the new physics beyond the Standard Model (SM). The leptoquarks ($LQ$) that couple to the $3^{\mathrm{rd}}$ generation…

High Energy Physics - Phenomenology · Physics 2019-01-15 Joydeep Roy

An overview of recent measurements of electroweak and top quark physics is given. In particular, total and differential diboson cross sections, limits on anomalous triple gauge couplings as well as top quark production cross sections and…

High Energy Physics - Experiment · Physics 2013-05-03 Marilyn Marx

We present the most recent CDF results in the measurements of the decay and production vertex of the top-quark. New results on forward-backward asymmetry in top-antitop events are presented. Also, recent measurements of the branching…

High Energy Physics - Experiment · Physics 2015-06-23 Giorgio Chiarelli

We review the asymmetries in top quark pair production at the Tevatron and the LHC. We summarize the experimental measurements and the interpretations of a possible excess in terms of new physics. We also review other top quark…

High Energy Physics - Phenomenology · Physics 2015-06-11 J. A. Aguilar-Saavedra , D. Amidei , A. Juste , M. Perez-Victoria

We briefly review common tools and methods to identify boosted, hadronically decaying top quarks at the LHC experiments. This includes generic jet substructure variables, specific top identification algorithms, and recent developments in…

High Energy Physics - Phenomenology · Physics 2018-01-15 Gregor Kasieczka

An overview is presented of the measurements of the top quark mass performed by the ATLAS experiment at the LHC with an integrated luminosity varying between 35 pb$^{-1}$ and 4.7 fb$^{-1}$. Different techniques are used to measure the top…

High Energy Physics - Experiment · Physics 2013-02-20 Giuseppe Salamanna

For standard model (SM) processes involving top quarks, such as top quark-antiquark pair production or single top quark production, the theoretical predictions depend on fundamental parameters of the SM like the top quark mass. Using the…

High Energy Physics - Experiment · Physics 2024-09-25 Sebastian Wuchterl

Top quarks can be produced abundantly at hadron colliders like the Tevatron at Fermilab and the Large Hadron Collider at CERN, and a variety of measurements of top-quark properties have been gathered in the recent years from four…

High Energy Physics - Experiment · Physics 2014-09-03 Andrea Castro

The Large Hadron Collider LHC is a top quark factory: due to its high design luminosity, LHC will produce about 200 millions of top quarks per year of operation. The large amount of data will allow to study with great precision the…

High Energy Physics - Experiment · Physics 2014-11-17 Marcello Barisonzi

We show how single top production at the LHC can be used to discover (and characterize the couplings of) B' quarks, which are an essential part of many natural models of new physics beyond the Standard Model. We present the B' effective…

High Energy Physics - Phenomenology · Physics 2013-05-30 Joseph Nutter , Reinhard Schwienhorst , Devin G. E. Walker , Jiang-Hao Yu

The top quark is the heaviest known elementary particle, and it is often seen as a window to search for new physics processes in particle physics. A large program to study the top-quark properties has been performed both at the Tevatron and…

High Energy Physics - Experiment · Physics 2018-03-05 Frederic Deliot , Nicholas Hadley , Stephen Parke , Tom Schwarz

The multi-purpose experiments at CERN's Large Hadron Collider have a very rich programme in top quark physics. The large amount of data allows for measuring the top quark properties with an unprecedented precision. This document presents…

High Energy Physics - Experiment · Physics 2018-12-17 Petra Van Mulders

At the LHC, top quarks can be produced singly with a sizeable rate via electroweak interactions. This process probes a limited set of top-quark electroweak couplings, i.e. , the same entering the top-quark decay, yet at higher scales and…

High Energy Physics - Phenomenology · Physics 2018-11-14 Celine Degrande , Fabio Maltoni , Ken Mimasu , Eleni Vryonidou , Cen Zhang

The LHC has started to explore the TeV energy regime, probing the SM beyond LEP and Tevatron. We show how the dijet measurements at the LHC are able to test certain sectors of the SM at an unprecedented level. We provide the best bounds on…

High Energy Physics - Phenomenology · Physics 2013-05-30 Oriol Domènech , Alex Pomarol , Javi Serra