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Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at √(s)=7  TeV with the ATLAS detector

Author(s)
Taylor, Frank E.
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Abstract
A search is presented for heavy-quark pair production (QQ̅) under the decay hypothesis QQ̅→W[superscript +]qW[superscript -]q̅ with q=d, s, b for up-type Q or q=u, c for down-type Q. The search is performed with 1.04  fb[superscript -1] of integrated luminosity from pp collisions at √s=7   TeV collected by the ATLAS detector at the CERN LHC. Dilepton final states are selected, requiring large missing transverse momentum and at least two jets. Mass reconstruction of heavy-quark candidates is performed by assuming that the W boson decay products are nearly collinear. The data are in agreement with standard model expectations; a heavy quark with mass less than 350 GeV is excluded at 95% confidence level.
Date issued
2012-07
URI
http://hdl.handle.net/1721.1/74198
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review D
Publisher
American Physical Society
Citation
G. Aad et al. “Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at √(s)=7  TeV with the ATLAS detector.” Physical Review D, 2012. © 2012 CERN, for the ATLAS Collaboration
Version: Final published version
ISSN
1550-7998
1089-4918

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