Publication
Title
Direct bound on the total decay width of the top quark in $p\overline{p}$ collisions at $\sqrt{s}$=1.96 TeV
Author
Institution/Organisation
CDF Collaboration
Abstract
 We present the first direct experimental bound on the total decay width of the top quark, Γt, using 955  pb-1 of the Tevatrons pp̅ collisions recorded by the Collider Detector at Fermilab. We identify 253 top-antitop pair candidate events. The distribution of reconstructed top quark mass from these events is fitted to templates representing different values of the top quark width. Using a confidence interval based on likelihood-ratio ordering, we extract an upper limit at 95% C.L. of Γt<13.1  GeV for an assumed top quark mass of 175  GeV/c2.
Language
English
Source (journal)
Physical review letters. - New York, N.Y.
Publication
New York, N.Y. : 2009
ISSN
0031-9007
Volume/pages
102:4(2009), p. 042001,1-042001,7
ISI
000262978600009
Full text (Publisher's DOI)
Full text (open access)
UAntwerpen
 Faculty/Department Research group Publication type Subject Affiliation Publications with a UAntwerp address