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Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at root(s)=7 TeV with the ATLAS detector
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-8913-0981
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2012 (English)In: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 86, no 1, 012007- p.Article in journal (Refereed) Published
Abstract [en]

A search is presented for heavy-quark pair production (Q (Q) over bar) under the decay hypothesis Q (Q) over bar -> W(+)qW(-)(q) over bar 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 root 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.

Place, publisher, year, edition, pages
2012. Vol. 86, no 1, 012007- p.
Keyword [en]
Root-S=7 Tev, Collisions, Performance, Lhc
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-100819DOI: 10.1103/PhysRevD.86.012007ISI: 000306650000002Scopus ID: 2-s2.0-84864586679OAI: oai:DiVA.org:kth-100819DiVA: diva2:545149
Note
QC 20120817. Author count: 3035.Available from: 2012-08-17 Created: 2012-08-17 Last updated: 2017-12-07Bibliographically approved

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Strandberg, Jonas

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Jovicevic, JelenaLund-Jensen, BengtStrandberg, Jonas
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