Title
Search for the flavor-changing neutral-current decay <tex>$t\rightarrow Zq$</tex> in <tex>$p\overline{p}$</tex> collisions at <tex>$\sqrt{s}$</tex>=1.96 TeV Search for the flavor-changing neutral-current decay <tex>$t\rightarrow Zq$</tex> in <tex>$p\overline{p}$</tex> collisions at <tex>$\sqrt{s}$</tex>=1.96 TeV
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
101(2008) :19 , p. 192001,1-192001,7
ISSN
0031-9007
ISI
000260776300019
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We report a search for the flavor-changing neutral-current decay of the top quark t→Zq (q=u, c) in pp&#773; collisions at √s=1.96   TeV using a data sample corresponding to an integrated luminosity of 1.9  fb-1 collected by the CDF II detector. This decay is strongly suppressed in the standard model and an observation of a signal at the Fermilab Tevatron would be an indication of physics beyond the standard model. Using Z+≥4 jet final state candidate events, with and without an identified bottom quark jet, we obtain an upper limit of B(t→Zq)<3.7% at 95% C.L.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/473ef8/a738cd9f.pdf
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