Search for Squarks and Gluinos with the ATLAS Detector in Final States with Jets and Missing Transverse Momentum using √s = 8 TeV Proton-Proton Collision Data

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dc.contributor.ORCID0000-0003-0867-2189 (Lou, X)en_US
dc.contributor.VIAF250674117 (Izen, JM)en_US
dc.contributor.VIAF250674117 (Izen, JM)
dc.contributor.authorAad, G.en_US
dc.contributor.authorAbbott, B.en_US
dc.contributor.authorAbdallah, J.en_US
dc.contributor.authorAbdel Khalek, S.en_US
dc.contributor.authorAbdinov, O.en_US
dc.contributor.authorAben, R.en_US
dc.contributor.authorAbi, B.en_US
dc.contributor.authorIzen, Joseph M.en_US
dc.contributor.authorLeyton, Michaelen_US
dc.contributor.authorLou, Xinchouen_US
dc.contributor.authorNamasivayam, Harisankaren_US
dc.contributor.authorReeves, Kendallen_US
dc.contributor.authorATLAS Collaborationen_US
dc.contributor.utdAuthorIzen, Joseph M.en_US
dc.contributor.utdAuthorLeyton, Michaelen_US
dc.contributor.utdAuthorNamasivayam, Harisankaren_US
dc.contributor.utdAuthorReeves, Kendallen_US
dc.contributor.utdAuthorLou, Xinchouen_US
dc.date.accessioned2014-12-19T21:24:58Z
dc.date.available2014-12-19T21:24:58Z
dc.date.created2014-09-30en_US
dc.date.issued2014-09-30en_US
dc.description.abstractA search for squarks and gluinos in final states containing high-p_T jets, missing transverse momentum and no electrons or muons is presented. The data were recorded in 2012 by the ATLAS experiment in √s = 8 TeV proton-proton collisions at the Large Hadron Collider, with a total integrated luminosity of 20.3 fb⁻¹. Results are interpreted in a variety of simplified and specific supersymmetry-breaking models assuming that R-parity is conserved and that the lightest neutralino is the lightest supersymmetric particle. An exclusion limit at the 95% confidence level on the mass of the gluino is set at 1330 GeV for a simplified model incorporating only a gluino and the lightest neutralino. For a simplified model involving the strong production of first- and second-generation squarks, squark masses below 850 GeV (440 GeV) are excluded for a massless lightest neutralino, assuming mass degenerate (single light-flavour) squarks. In mSUGRA/CMSSM models with tan β = 30, A₀ = -2m₀ and μ > 0, squarks and gluinos of equal mass are excluded for masses below 1700 GeV. Additional limits are set for non-universal Higgs mass models with gaugino mediation and for simplified models involving the pair production of gluinos, each decaying to a top squark and a top quark, with the top squark decaying to a charm quark and a neutralino. These limits extend the region of supersymmetric parameter space excluded by previous searches with the ATLAS detector.en_US
dc.identifier.bibliographicCitationAad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, et al. 2014. "Search for squarks and gluinos with the ATLAS detector in final states with jets and missing transverse momentum using √s = 8 TeV proton-proton collision data." Journal of High Energy Physics 9(176), doi:10.1007/JHEP09(2014)176en_US
dc.identifier.issn1029-8479en_US
dc.identifier.issue176en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/4238
dc.identifier.volume9en_US
dc.language.isoen_USen_US
dc.publisherSpringeren_US
dc.relation.urihttp://dx.doi.org/10.1007/JHEP 9(176)
dc.rightsCC BY 4.0 (Attribution)en_US
dc.rights©2014 CERN, for the ATLAS Collaborationen_US
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_US
dc.sourceJournal of High Energy Physics
dc.subjectQuantum field theoryen_US
dc.subjectString modelsen_US
dc.subjectGeneral relativity (Physics)en_US
dc.subjectQuantum gravityen_US
dc.subjectJets (Nuclear physics)en_US
dc.titleSearch for Squarks and Gluinos with the ATLAS Detector in Final States with Jets and Missing Transverse Momentum using √s = 8 TeV Proton-Proton Collision Dataen_US
dc.typeTexten_US
dc.type.genreArticleen_US

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Izen, Joseph M.
Lou, Xinchou
NSM Staff-Student Research