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Search for Admixture of Scalar Top Quarks in the $t\bar{t}$ Lepton+Jets Final State at $\sqrt{s}=$1.96 TeV
Stockholm University, Faculty of Science, Department of Physics. (Elementarpartikelfysik)
Stockholm University, Faculty of Science, Department of Physics. (Elementarpartikelfysik)
2009 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 674, 4-10 p.Article in journal (Refereed) Published
Abstract [en]

A search for pair production of the lightest supersymmetric partner of the top quark, , is performed in the lepton + jets channel using 0.9 fb−1 of data collected by the DØ experiment. Kinematic differences between and the dominant top quark pair production background are used to separate the two processes. First limits from Run II of the Fermilab Tevatron Collider for the scalar top quark decaying to a chargino and a b quark () are obtained for scalar top quark masses of 130–190 GeV and chargino masses of 90–150 GeV.

Place, publisher, year, edition, pages
2009. Vol. 674, 4-10 p.
National Category
Subatomic Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:su:diva-33059DOI: 10.1016/j.physletb.2009.02.027ISI: 000265254000002OAI: oai:DiVA.org:su-33059DiVA: diva2:282290
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Note
Publikationen har totalt 513 författare, V. Abazov et al.Available from: 2009-12-18 Created: 2009-12-18 Last updated: 2017-12-12Bibliographically approved

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Publisher's full texthttp://dx.doi.org/10.1016/j.physletb.2009.02.027

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