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

Collaboration, D0 and Bertram, Iain and Borissov, Guennadi and Fox, Harald and Williams, Mark and Ratoff, Peter and Love, Peter and Rakitin, Alexander and Sopczak, Andre (2009) Search for admixture of scalar top quarks in the ttbar lepton+jets final state at sqrt(s)=1.96 TeV. Physics Letters B, 674 (1). pp. 4-10. ISSN 0370-2693

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Abstract

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.

Item Type: Journal Article
Journal or Publication Title: Physics Letters B
Additional Information: submitted to Phys. Lett. B
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 63757
Deposited By: ep_importer_pure
Deposited On: 29 Apr 2013 10:23
Refereed?: Yes
Published?: Published
Last Modified: 01 Jan 2020 08:24
URI: https://eprints.lancs.ac.uk/id/eprint/63757

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