Title
Search for heavy toplike quarks using lepton plus jets events in 1.96 TeV <tex>$p\overline{p}$</tex> collisions
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Source (journal)
Physical review letters. - New York, N.Y.
Volume/pages
100(2008) :16 , p. 161803,1-161803,7
ISSN
0031-9007
ISI
000255457600019
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We present the results of a search for pair production of a new heavy toplike quark t′ decaying to a W boson and another quark using the Collider Detector at Fermilab II detector in run II of the Tevatron pp&#773; collider. Using a data sample corresponding to 760  pb-1 of integrated luminosity, we fit the observed spectrum of total transverse energy and reconstructed t′ quark mass to a combination of standard model processes and t′ pair production. We see no evidence for t′t&#773; ′ production, and we infer a lower limit of 256   GeV/c2 on the mass of the t′ at 95% C.L. assuming standard strong couplings for the t′.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/d7f4be/59eba247.pdf
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