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| Release | : 2011 |
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Download Measurements of Top Quark Properties at the Tevatron Collider Book in PDF, ePub and Kindle
The discovery of the top quark in 1995 opened a whole new sector of investigation of the Standard Model; today top quark physics remains a key priority of the Tevatron program. Some of the measurements of top quark properties, for example its mass, will be a long-standing legacy. The recent evidence of an anomalously large charge asymmetry in top quark events suggests that new physics could couple preferably with top quarks. I will summarize this long chapter of particle physics history and discuss the road the top quark is highlighting for the LHC program.
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| Total Pages | : 6 |
| Release | : 2011 |
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Download Top Quark Properties at the TeVatron Book in PDF, ePub and Kindle
Discovered in 1995 by CDF and D0 at the Fermilab Tevatron collider, the top quark remains interesting to test the Standard Model. Having collected more than 7 fb−1 of integrated luminosity with both experiments until today, several top quark properties have been measured with increasing precision, while other properties have been investigated for the first time. In this article recent measurements of top quark properties from CDF and D0 are presented, using between 1 fb−1 and 4.8 fb−1 of data. In particular, the measurement of the top quark mass, the top quark width, the top antitop mass difference, a check of the electric charge of the top quark, measurements of the top antitop quark spin correlation and W helicity as well as a search for charged Higgs bosons are discussed.
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| Total Pages | : 6 |
| Release | : 2012 |
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Download Studies of Top Quark Properties at the Tevatron Book in PDF, ePub and Kindle
An overview of the recent measurements of the top quark properties in proton antiproton collisions at √s = 1.96 TeV is presented. These measurements are based on 5.4-8.7 fb−1 of data collected with the D0 and CDF experiments at the Fermilab Tevatron collider. The top quark mass and width measurements, studies of the spin correlation in top quark pair production, W boson helicity measurement, searches for anomalous top quark couplings and Lorentz invariance violation are discussed.
| Author | : Arnulf Quadt |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 166 |
| Release | : 2007-08-16 |
| Genre | : Science |
| ISBN | : 3540710604 |
Download Top Quark Physics at Hadron Colliders Book in PDF, ePub and Kindle
This will be a required acquisition text for academic libraries. More than ten years after its discovery, still relatively little is known about the top quark, the heaviest known elementary particle. This extensive survey summarizes and reviews top-quark physics based on the precision measurements at the Fermilab Tevatron Collider, as well as examining in detail the sensitivity of these experiments to new physics. Finally, the author provides an overview of top quark physics at the Large Hadron Collider.
| Author | : Jessica Leveque |
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| Total Pages | : 4 |
| Release | : 2006 |
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Download Measurement of Top Quark Properties at the Tevatron Book in PDF, ePub and Kindle
We highlight the most recent top quark properties measurements performed at the Tevatron collider by the CDF and D0 experiments. The data samples used for the analyses discussed correspond to an integrated luminosity varying from 360 pb{sup -1} to 760 pb{sup -1}.
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| Total Pages | : 8 |
| Release | : 2011 |
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Download Top Quark Properties Book in PDF, ePub and Kindle
Since its discovery in 1995 by the CDF and D0 collaborations at the Fermilab Tevatron collider, the top quark has undergone intensive studies. Besides the Tevatron experiments, with the start of the LHC in 2010 a top quark factory started its operation. It is now possible to measure top quark properties simultaneously at four different experiments, namely ATLAS and CMS at LHC and CDF and D0 at Tevatron. Having collected thousands of top quarks each, several top quark properties have been measured precisely, while others are being measured for the first time. In this article, recent measurements of top quark properties from ATLAS, CDF, CMS and D0 are presented, using up to 5.4 fb−1 of integrated luminosity at the Tevatron and 1.1 fb−1 at the LHC. In particular, measurements of the top quark mass, mass difference, foward backward charge asymmetry, t{bar t} spin correlations, the ratio of branching fractions, W helicity, anomalous couplings, color flow and the search for flavor changing neutral currents are discussed.
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| Total Pages | : 14 |
| Release | : 2008 |
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Download Top Quark Pair Production and Properties Measurements at the Tevatron Book in PDF, ePub and Kindle
The Tevatron proton-antiproton collider at Fermilab with its center of mass energy of 1.96 TeV is currently the only source for the production of top quarks. This report reflects the current status of measurements of the top quark pair production cross section and properties performed by the CDF and D0 Collaborations. Utilizing datasets of up to two fb−1, these measurements allow unprecedented precision in probing the validity of the Standard Model.
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| Total Pages | : 4 |
| Release | : 2012 |
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Download Top Mass Measurements at the Tevatron Book in PDF, ePub and Kindle
First observed in 1995, the top quark is the third-generation up-type quark of the standard model of particle physics (SM). The CDF and D0 collaborations have analyzed many t{bar t} events produced by the Tevatron collider, studying many properties of the top quark. Among these, the mass of the top quark is a fundamental parameter of the SM, since its value constrains the mass of the yet to be observed Higgs boson. The analyzed events were used to measure the mass of the top quark m{sub t} ≃ 173.2 GeV/c2 with an uncertainty of less than 1 GeV/c2. We report on the latest top mass measurements at the Tevatron, using up to 6 fb−1 of data for each experiment.
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| Total Pages | : 6 |
| Release | : 2011 |
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Download Measurement of the Properties of the Top Quark at D{\O} Book in PDF, ePub and Kindle
Different measurements of the properties of the top quark using up to 5.4 fb−1 collected with the D0 detector at the Fermilab Tevatron collider are presented. The top mass is obtained from a study of dilepton and lepton+jets final states, while the width is obtained from a combination of the measurements of the single top production via t-channel exchange and the determination of the t → Wb branching ratio. Furthermore the measurement of the helicity of the W boson from top quark decays, a measurement of t{bar t} spin correlations and a measurement of the jet pull (color flow) in t{bar t} events are presented. A wealth of measurements of properties of the top quark at D0 have been discussed showing the great performance of the Tevatron and the D0 detector. All results are consistent with the standard model expectations. The final D0 data sample will have 2-3 times the presented statistics allowing for new & more precise results in the future.
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| Release | : 1999 |
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Download Recent Results on the Top Quark from the Tevatron Collider Experiments Book in PDF, ePub and Kindle
This paper presents the latest measurements of the properties of the top quark as determined by the DØ and CDF collaborations at the Fermilab Tevatron p{anti p} Collider. Both experiments have studied the all-hadronic decay mode of t{anti t} events. The top quark mass measurement has been refined over the past year, with the addition of new channels and a re-evaluation of some of the earlier ones. There are recent studies of the mass of the t{anti t} system, the helicity of the W bosons in the top quark decays, and of the correlation of the spins of the top and antitop quarks. New results are also reported on searches for charged Higgs bosons in top quark decay, and for electroweak production of single top quarks.
