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  • PhysRevD.86.012007

    Rights statement: Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2012 CERN, for the ATLAS Collaboration

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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

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Article number012007
<mark>Journal publication date</mark>23/07/2012
<mark>Journal</mark>Physical Review D
Issue number1
Volume86
Number of pages24
Publication StatusPublished
<mark>Original language</mark>English

Abstract

A search is presented for heavy-quark pair production (QQ¯¯¯) under the decay hypothesis QQ¯¯¯→W+qW−q¯ 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−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.

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Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2012 CERN, for the ATLAS Collaboration