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Search for supersymmetry in events with large missing transverse momentum, jets, and at least one tau lepton in 7 TeV proton-proton collision data with the ATLAS detector
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ATLAS Collaboration (Including: Farrington, Sinead and Jones, G. (Graham)). (2012) Search for supersymmetry in events with large missing transverse momentum, jets, and at least one tau lepton in 7 TeV proton-proton collision data with the ATLAS detector. The European Physical Journal C, Volume 2012 (Number 11). Article number 2215 . doi:10.1016/j.physletb.2013.01.041 ISSN 1434-6044.
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WRAP_art%3A10.1140%2Fepjc%2Fs10052-012-2215-7.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution. Download (1739Kb) | Preview |
Official URL: http://dx.doi.org/10.1140/epjc/s10052-012-2215-7
Abstract
A search for supersymmetry (SUSY) in events with large missing transverse momentum, jets, and at least one hadronically decaying τ lepton, with zero or one additional light lepton (e/μ), has been performed using 4.7 fb−1 of proton-proton collision data at s√=7~TeV recorded with the ATLAS detector at the Large Hadron Collider. No excess above the Standard Model background expectation is observed and a 95 % confidence level visible cross-section upper limit for new phenomena is set. In the framework of gauge-mediated SUSY-breaking models, lower limits on the mass scale Λ are set at 54 TeV in the regions where the τ~1 is the next-to-lightest SUSY particle (tanβ>20). These limits provide the most stringent tests to date of GMSB models in a large part of the parameter space considered.
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