Title
Observation of **WZ** production Observation of **WZ** production
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
98(2007) :16 , p. 161801,1-161801,7
ISSN
0031-9007
ISI
000245871200018
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We report the first observation of the associated production of a W boson and a Z boson. This result is based on 1.1  fb-1 of integrated luminosity from pp̅ collisions at √s=1.96  TeV collected with the CDF II detector at the Fermilab Tevatron. We observe 16 WZ candidates passing our event selection with an expected background of 2.7±0.4 events. A fit to the missing transverse energy distribution indicates an excess of events compared to the background expectation corresponding to a significance equivalent to 6 standard deviations. The measured cross section is σ(pp̅ →WZ)=5.0-1.6+1.8   pb, consistent with the standard model expectation.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/5087e7/892adb47.pdf
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