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arXiv:0901.1063 [hep-ex]AbstractReferencesReviewsResources

Search for admixture of scalar top quarks in the ttbar lepton+jets final state at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

Published 2009-01-08Version 1

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 D0 experiment. Kinematic differences between scalar top quark pair production 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.

Comments: submitted to Phys. Lett. B
Journal: Phys.Lett.B674:4-10,2009
Categories: hep-ex
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