A search for top quarks in proton-antiproton collisions using dileptons

A search for tt pairs in pp collisions with a center of mass energy $\sqrt s$ = 1.8TeV is presented. The analysis looks for tt pairs which decayed through the chain $\bar {tt}\to W\sp+bW\sp-\bar b\to\ell\sp+\bar \nu b\ell\sp-\nu\bar b$ where one of the b quarks is explicitly identified. In a sample of 109.4 $\pm$ 7.2 pb$\sp{-1}$ of data, 6 tags in 4 events are found with an expected background of 1.53 $\pm$.33 events. This results in an estimated production cross section of 4.6$\sbsp{-3.1}{+4.4}$ pb at $m\sb{top}$ = 175 GeV/$c\sp2.$

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Physics

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2011

Author dc:creator

• Martin, Andrew James

Contributors dc:contributor

• Errede, Steven M.

• Physics, Elementary Particles and High Energy

Statement dc:rights

• Copyright 1996 Martin, Andrew James

Language dc:language

eng

Identifier

9780591088700
AAI9702600
(UMI)AAI9702600

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/19653