Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/81434
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Type: Journal article
Title: Search for direct chargino production in anomaly-mediated supersymmetry breaking models based on a disappearing-track signature in pp collisions at √s=7 TeV with the ATLAS detector
Other Titles: Search for direct chargino production in anomaly-mediated supersymmetry breading models based on a disappearing-track signature in pp collisions at root s = 7 TeV with the ATLAS detector
Author: Jackson, P.
Soni, N.
White, M.
Citation: The Journal of High Energy Physics, 2013; 2013(1):131-0-131-33
Publisher: Institute of Physics Publishing
Issue Date: 2013
ISSN: 1029-8479
1126-6708
Contributor: Jackson, Paul Douglas
Soni, Nitesh
White, Martin
Statement of
Responsibility: 
The ATLAS collaboration
Abstract: A search for direct chargino production in anomaly-mediated supersymmetry breaking scenarios is performed in pp collisions at √s=7 TeV using 4.7 fb⁻¹ of data collected with the ATLAS experiment at the LHC. In these models, the lightest chargino is predicted to have a lifetime long enough to be detected in the tracking detectors of collider experiments. This analysis explores such models by searching for chargino decays that result in tracks with few associated hits in the outer region of the tracking system. The transverse-momentum spectrum of candidate tracks is found to be consistent with the expectation from the Standard Model background processes and constraints on chargino properties are obtained.
Keywords: Hadron-Hadron Scattering
Description: ATLAS Collaboration members: P. Jackson, N. Soni, M.J. White for the University of Adelaide, South Australia.
Rights: Open Access, Copyright CERN, for the benefit of the ATLAS collaboration
RMID: 0020132463
DOI: 10.1007/JHEP01(2013)131
Appears in Collections:Chemistry and Physics publications

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