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The cross section for the production of single top quarks in the t channel is measured in proton-proton collisions at 13 TeV with the CMS detector at the LHC. The analyzed data correspond to an integrated luminosity of 2.2 inverse…

High Energy Physics - Experiment · Physics 2017-09-28 CMS Collaboration

This article reports on recent searches for single-top-quark production by the CDF collaboration at the Tevatron using a data set that corresponds to an integrated luminosity of 955 pb^-1. Three different analyses techniques are employed,…

High Energy Physics - Experiment · Physics 2007-05-23 Wolfgang Wagner

This Letter reports the observation of single top quarks produced together with a photon, which directly probes the electroweak coupling of the top quark. The analysis uses 139 fb$^{-1}$ of 13 TeV proton-proton collision data collected with…

High Energy Physics - Experiment · Physics 2023-11-15 ATLAS Collaboration

The latest measurements of the cross sections for singly-produced top quarks at the Fermilab Tevatron are presented. The small expected signals and the large, uncertain backgrounds require careful event selection, sophisticated methods for…

High Energy Physics - Experiment · Physics 2019-08-14 Thomas R. Junk

The CDF Collaboration has analyzed 955/pb of CDF II data to search for electroweak single top quark production at the Tevatron. We employ three different analysis techniques to search for a single top signal: multivariate likelihood…

High Energy Physics - Experiment · Physics 2007-06-05 Bernd Stelzer

A summary of studies of electroweak top-quark production performed by the CMS collaboration is presented. The results include measurements of production cross sections, extraction of the value of $|V_{tb}|$, determination of W-boson…

High Energy Physics - Experiment · Physics 2019-08-13 Andrey Popov

The first direct, model-independent measurement is presented of the modulus of the Cabibbo-Kobayashi-Maskawa (CKM) matrix elements $|V_\mathrm{tb}|$, $|V_\mathrm{td}|$, and $|V_\mathrm{ts}|$, in final states enriched in single top quark…

High Energy Physics - Experiment · Physics 2020-07-23 CMS Collaboration

In 1995, the top quark was discovered at the Fermilab Tevatron Collider by the CDF and D0 collaborations in the ppbar collisions at sqrt(s)=1.8 TeV using about 50pb^-1 of data per experiment. We present the studies of the top quark…

High Energy Physics - Experiment · Physics 2017-08-23 Y. Peters

The mass of the top quark M_top is interesting both as a fundamental parameter of the standard model and as an important input to precision electroweak tests. The Collider Detector at Fermilab (CDF) has a robust program of top quark mass…

High Energy Physics - Experiment · Physics 2019-08-14 Erik Brubaker

The CMS experiment has measured the electroweak production of top quark in different singly production modes: t-, tW- and s-channel. Recent results on inclusive and differential cross section measurements of t-channel at 13 TeV and of the…

High Energy Physics - Experiment · Physics 2016-11-30 Ferdos Rezaei Hosseinabadi

Top quarks can be produced from the electroweak Wtb coupling, leading to a single top or antitop in the final state. We examine single top quark production at the Fermilab Tevatron and calculate the cross section as a function of top quark…

High Energy Physics - Phenomenology · Physics 2008-02-03 A. P. Heinson , A. S. Belyaev , E. E. Boos

The production of top quark-antiquark pair events in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV is studied as a function of the transverse momentum and absolute value of the rapidity of the top quarks as well as of the invariant mass of…

High Energy Physics - Experiment · Physics 2015-04-27 D0 Collaboration

We present the first direct experimental bound on the total decay width of the top quark using 955pb^-1 of the Tevatron's ppbar collisions recorded by the Collider Detector at Fermilab. We identify 253 top-antitop pair candidate events. The…

High Energy Physics - Experiment · Physics 2010-05-12 CDF Collaboration , T. Aaltonen

Results are presented on a measurement of the ttbar pair production cross section in ppbar collisions at sqrt{s} = 1.8 TeV from nine independent decay channels. The data were collected by the Dzero experiment during the 1992-1996 run of the…

High Energy Physics - Experiment · Physics 2012-08-27 Dzero Collaboration

We present a search for hypothetical vector-like quarks in ppbar collisions at sqrt(s) = 1.96 TeV. The data were collected by the D0 detector at the Fermilab Tevatron Collider and correspond to an integrated luminosity of 5.4 fb^(-1). We…

High Energy Physics - Experiment · Physics 2015-03-17 D0 Collaboration , V. Abazov

The inclusive cross-section for the production of a single top quark in association with a $W$ boson is measured using 140 fb$^{-1}$ of proton-proton collision data collected with the ATLAS detector at $\sqrt{s} = 13$ TeV. Events containing…

High Energy Physics - Experiment · Physics 2024-11-20 The ATLAS Collaboration

The paper presents analysis of the single top quark production in PbPb collisions at the Large Hadron Collider at center-of-mass energy 5.5 TeV per nucleon pair. The analysis is performed with CompHEP and PYQUEN event generators. The…

High Energy Physics - Phenomenology · Physics 2015-10-16 A. V. Baskakov , E. E. Boos , L. V. Dudko , I. P. Lokhtin , A. M. Snigirev

The field of experimental particle physics has become more sophisticated over time, as fewer, larger experimental collaborations search for small signals in samples with large components of background. The search for and the observation of…

High Energy Physics - Experiment · Physics 2015-05-20 Ann Heinson , Tom R. Junk

We present the first direct search for single top quark production using tau leptons. The search is based on 4.8 fb$^{-1}$ of integrated luminosity collected in $p\bar{p}$ collisions at $\sqrt{s}$=1.96 TeV with the D0 detector at the…

High Energy Physics - Experiment · Physics 2012-08-27 The D0 Collaboration

The inclusive cross section of top quark-antiquark pairs produced in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV is measured in the lepton$+$jets and dilepton decay channels. The data sample corresponds to 9.7 fb${}^{-1}$ of integrated…

High Energy Physics - Experiment · Physics 2016-12-20 D0 Collaboration