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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Aad, G., Abbott, B., Abdallah, J. et al. 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. J. High Energ. Phys. 2014, 176 (2014). [https://doi.org/10.1007/JHEP09(2014)176]
SponsorshipANPCyT; YerPhI, Armenia; Australian Research Council; BMWF, Austria; Austrian Science Fund (FWF); Azerbaijan National Academy of Sciences (ANAS); SSTC, Belarus; National Council for Scientific and Technological Development (CNPq); Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP); Natural Sciences and Engineering Research Council of Canada; NRC, Canada; Canada Foundation for Innovation; Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT); Chinese Academy of Sciences; Ministry of Science and Technology, China; CERN; National Natural Science Foundation of China; Departamento Administrativo de Ciencia, Tecnologia e Innovacion Colciencias; Ministry of Education, Youth & Sports - Czech Republic Czech Republic Government; DNRF, Denmark; Lundbeckfonden; European Union (EU); European Union (EU) European Research Council (ERC); Centre National de la Recherche Scientifique (CNRS); CEA-DSM/IRFU, France; GNSF, Georgia; Federal Ministry of Education & Research (BMBF); German Research Foundation (DFG); HGF, Germany; Max Planck Society; Alexander von Humboldt Foundation; Greek Ministry of Development-GSRT; NSRF, Greece; Israel Science Foundation; MINERVA, Israel; German-Israeli Foundation for Scientific Research and Development; I-CORE, Israel; Benoziyo Center, Israel; Istituto Nazionale di Fisica Nucleare (INFN); Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) Japan Society for the Promotion of Science; CNRST, Morocco; FOM (The Netherlands) Netherlands Government; Netherlands Organization for Scientific Research (NWO) Netherlands Government; BRF, Norway; RCN, Norway; Ministry of Science and Higher Education, Poland; NCN, Poland; GRICES, Portugal; Portuguese Foundation for Science and Technology; MNE/IFA, Romania; Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; Slovenian Research Agency - Slovenia; MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC, Sweden; Wallenberg Foundation, Sweden; SER, Switzerland; Swiss National Science Foundation (SNSF); Cantons of Bern and Geneva, Switzerland; National Science Council of Taiwan; Ministry of Energy & Natural Resources - Turkey; Science & Technology Facilities Council (STFC); Royal Society of London; Leverhulme Trust; United States Department of Energy (DOE); National Science Foundation (NSF); Science & Technology Facilities Council (STFC) ST/L001195/1 ST/K001361/1 ST/I005811/1 ST/F007418/1 ST/M007103/1 ATLAS Upgrades ST/L001179/1 ATLAS Upgrades ST/L000970/1 ST/K00140X/1 PP/D002915/1 ST/H001026/1 ST/I006056/1 ATLAS Upgrade ST/I505756/1 ST/J005525/1 ST/K001388/1 ST/K001418/1 ST/K502236/1 ST/H00095X/2 ST/J00474X/1 ATLAS Upgrades ST/J004928/1 ST/K001329/1 ATLAS ST/L003325/1 ST/M001733/1 ST/L001179/1 ATLAS Upgrade ST/K003658/1 ST/K000659/1 ST/J005576/1 ST/J005460/1 ST/G502320/1 PP/E000487/1 ST/K501840/1 GRIDPP ST/K003658/1 GRIDPP ATLAS ST/M000664/1 ST/K001361/1 LHCb ST/K001361/1 ATLAS ST/K00073X/1 ST/J00474X/1 ST/I005803/1 ST/I000178/1 PP/E000355/1 ST/H001042/1 ST/I00372X/1 ST/K000705/1 ST/H00100X/1 ST/J004944/1 ST/M003213/1 ST/M002306/1 ST/M001474/1 ST/K001310/1 ATLAS ST/K001310/1 LHCb ST/M002071/1 ATLAS Upgrades ST/K501840/1 ST/K001396/1 ATLAS ST/J501074/1 ST/I005803/1 GRIDPP ST/K001426/1 ATLAS ST/L000970/1 ATLAS Upgrade ST/M001431/1 ST/L006480/1 ST/K00137X/1 ST/K001361/1 MINOS/MINOS+ ST/K001361/1 LHCb Upgrades ST/J500641/1 ST/J005487/1 ST/I006056/1 ST/H001042/2 ST/H00095X/1 ST/G006717/1 ST/F00754X/1 PP/E003087/1 ST/K001302/1 ST/K001264/1 ATLAS PP/E002757/1 ST/M000761/1 ST/L006464/1 ST/I006056/1 ATLAS Upgrades ST/H001093/2 ST/G50228X/1 ST/K003437/1 ST/K001337/1 ATLAS ST/H00100X/2 PP/E002846/1 ST/K001248/1 ST/K003437/1 GRIDPP ST/L001144/1 ST/J005533/1 ST/K001310/1 ATLAS Upgrades ST/K50208X/1 ST/L001179/1 ST/L001209/1 ATLAS Upgrades ST/K001361/1 ATLAS Upgrades ST/I000186/1 ST/I00372X/1 GRIDPP ST/K00140X/1 ATLAS ST/L003112/1 ST/M002306/1 ATLAS Upgrades ST/J004928/1 ATLAS Upgrade PP/E000444/1 GRIDPP PP/E000347/1 ST/H001026/2 ST/K000713/1 ST/K001310/1 ST/K001310/1 LHCb Upgrades ST/L00352X/1 ST/H001069/2 ST/H001093/1 ST/I006080/1; ICREA
A search for squarks and gluinos in final states containing high-pT 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.