Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2006-09-18
AIP Conf.Proc.870:223-227,2006
Physics
High Energy Physics
High Energy Physics - Experiment
5 pages, 4 figures, to appear in the proceedings of the 9th Conference on the Intersections of Particle and Nuclear Physics, P
Scientific paper
10.1063/1.2402623
First observed in 1995, the top quark is one of a pair of third-generation quarks in the Standard Model of particle physics. It has charge +2/3e and a mass of 171.4 GeV, about 40 times heavier than its partner, the bottom quark. The CDF and D0 collaborations have identified several hundred events containing the decays of top-antitop pairs in the large dataset collected at the Tevatron proton-antiproton collider over the last four years. They have used these events to measure the top quark's mass to nearly 1% precision and to study other top quark properties. The mass of the top quark is a fundamental parameter of the Standard Model, and knowledge of its value with small uncertainty allows us to predict properties of the as-yet-unobserved Higgs boson. This paper presents the status of the measurements of the top quark mass.
"D0 Collaboration
for the CDF Collaboration
Heinson A. P.
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