Search for Squarks and Gluinos with the ATLAS Detector in Final States with Jets and Missing Transverse Momentum Using 4.7 fb⁻¹ of √s̅ = 7 TeV Proton-Proton Collision Data

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Search for Squarks and Gluinos with the ATLAS Detector in Final States with Jets and Missing Transverse Momentum Using 4.7 fb⁻¹ of √s̅ = 7 TeV Proton-Proton Collision Data

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Title: Search for Squarks and Gluinos with the ATLAS Detector in Final States with Jets and Missing Transverse Momentum Using 4.7 fb⁻¹ of √s̅ = 7 TeV Proton-Proton Collision Data
Author(s):
Aad, G.;
Abajyan, T.;
Abbott, B.;
Abdallah, J.;
Khalek, S. Abdel;
Abdelalim, A. A.;
Abdinov, O.;
Ahsan, Mahsana;
Izen, Joseph M.;
Lou, Xinchou;
Reeves, Kendall;
Wong, Wei-Cheng;
ATLAS Collaboration
Date Created: 2013-01-22
Format: Text
Item Type: Article
Keywords: Show Keywords
Abstract: A search for squarks and gluinos in final states containing jets, missing transverse momentum and no high-p_T electrons or muons is presented. The data represent the complete sample recorded in 2011 by the ATLAS experiment in 7 TeV proton-proton collisions at the Large Hadron Collider, with a total integrated luminosity of 4.7 fb⁻¹. No excess above the Standard Model background expectation is observed. Gluino masses below 860 GeV and squark masses below 1320 GeV are excluded at the 95% confidence level in simplified models containing only squarks of the first two generations, a gluino octet and a massless neutralino, for squark or gluino masses below 2 TeV, respectively. Squarks and gluinos with equal masses below 1410 GeV are excluded. In minimal supergravity/constrained minimal supersymmetric Standard Model models with tan β = 10, A₀ = ⋅0 and μ > 0, squarks and gluinos of equal mass are excluded for masses below 1360 GeV. Constraints are also placed on the parameter space of supersymmetric models with compressed spectra. These limits considerably extend the region of supersymmetric parameter space excluded by previous measurements with the ATLAS detector.
Publisher: American Physical Society
ISSN: 1550-7998
Source: Physical Review D
Link to Related Resource: http://dx.doi.org/10.1103/PhysRevD.87.012008
Persistent Link: http://hdl.handle.net/10735.1/3547
Bibliographic Citation: G. Aad, T. Abajyan, B. Abbott, et al. 2013. "Search for Squarks and Gluinos with the ATLAS Detector in Final States with Jets and Missing Transverse Momentum Using 4.7 fb⁻¹ of √s̅ = 7 TeV Proton-Proton Collision Data" Physical Revue D 87(1), doi:10.1103/PhysRevD.87.012008
Terms of Use: CC BY 3.0 (Attribution)
© 2013 CERN, for the ATLAS Collaboration

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CC BY 3.0 (Attribution) Except where otherwise noted, this item's license is described as CC BY 3.0 (Attribution)