Title
Search for technicolor particles produced in association with a **W** boson at CDF Search for technicolor particles produced in association with a **W** boson at CDF
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
104(2010) :11 , p. 11802,1-111802,7
ISSN
0031-9007
ISI
000275802600006
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We present a search for the technicolor particles ρT and πT in the process pp̅ →ρT→WπT at a center of mass energy of √s=1.96  TeV. The search uses a data sample corresponding to approximately 1.9  fb-1 of integrated luminosity accumulated by the CDF II detector at the Fermilab Tevatron. The event signature we consider is W→ℓν and πT→bb̅ , bc̅ or bu̅ depending on the πT charge. We select events with a single high-pT electron or muon, large missing transverse energy, and two jets. Jets corresponding to bottom quarks are identified with multiple b-tagging algorithms. The observed number of events and the invariant mass distributions are consistent with the standard model background expectations, and we exclude a region at 95% confidence level in the ρT-πT mass plane. As a result, a large fraction of the region m(ρT)=180250  GeV/c2 and m(πT)=95145  GeV/c2 is excluded.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/3488e4/104e42f1.pdf
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