Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/77005
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Type: Journal article
Title: Search for light scalar top-quark pair production in final states with two leptons with the ATLAS detector in √s = 7 TeV proton-proton collisions
Other Titles: Search for light scalar top-quark pair production in final states with two leptons with the ATLAS detector in root s = 7 TeV proton-proton collisions
Author: Jackson, P.
White, M.
Citation: European Physical Journal C, 2012; 72(11):1-20
Publisher: Springer
Issue Date: 2012
ISSN: 1434-6044
1434-6052
Statement of
Responsibility: 
The ATLAS Collaboration
Abstract: A search is presented for the pair production of light scalar top quarks in s√=7 TeV proton–proton collisions recorded with the ATLAS detector at the Large Hadron Collider. This analysis uses the full data sample collected during 2011 running that corresponds to a total integrated luminosity of 4.7 fb⁻¹. Light scalar top quarks are searched for in events with two opposite-sign leptons (e, μ), large missing transverse momentum and at least one jet in the final state. No excess over Standard Model expectations is found, and the results are interpreted under the assumption that the light scalar top decays to a b-quark in addition to an on-shell chargino whose decay occurs through a virtual W boson. If the chargino mass is 106 GeV, light scalar top-quark masses up to 130 GeV are excluded for neutralino masses below 70 GeV.
Description: Extent: 20p. Atlas Collaboration contributor: Paul Douglas Jackson of SLAC National Accelerator Laboratory, Stanford CA, United States of America.
Rights: © CERN for the benefit of the ATLAS collaboration 2012.
RMID: 0020126247
DOI: 10.1140/epjc/s10052-012-2237-1
Appears in Collections:Chemistry and Physics publications

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