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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, 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
Physics
##### Identifiers
ISI: 000265254000002OAI: oai:DiVA.org:su-33059DiVA: diva2:282290
D0
##### Note
Publikationen har totalt 513 författare, V. Abazov et al.Available from: 2009-12-18 Created: 2009-12-18 Last updated: 2011-08-30Bibliographically approved

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

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Åsman, BarbroStrandberg, Sara
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Physics Letters B
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Subatomic Physics

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