Title
Search for **WW** and **WZ** production in lepton plus jets final state at CDF Search for **WW** and **WZ** production in lepton plus jets final state at CDF
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : D : particles and fields. - Lancaster, Pa, 1970 - 2003
Volume/pages
79(2009) :11 , p. 112011,1-112011,9
ISSN
0556-2821
ISI
000267701300014
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We present a search for WW and WZ production in final states that contain a charged lepton (electron or muon) and at least two jets, produced in √s=1.96  TeV pp&#773; collisions at the Fermilab Tevatron, using data corresponding to 1.2  fb-1 of integrated luminosity collected with the CDF II detector. Diboson production in this decay channel has yet to be observed at hadron colliders due to the large single W plus jets background. An artificial neural network has been developed to increase signal sensitivity, as compared with an event selection based on conventional cuts. We set a 95% confidence level upper limit of σWW×BR(W→&#8467;ν&#8467;,W→jets)+σWZ×BR(W→&#8467;ν&#8467;,Z→jets)<2.88  pb, which is consistent with the standard model next-to-leading-order cross section calculation for this decay channel of 2.09±0.12  pb.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/772e02/50e674f4.pdf
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