Search for new phenomena in the dijet mass distribution using pp collision data at √s=8 TeV with the ATLAS detector
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American Physical Society
Aad, G., Abbott, B., Abdallah, J., Khalek, S. A., Aben, R., Abi, B., ... & Abreu, R. (2015). Search for new phenomena in the dijet mass distribution using p p collision data at s= 8 TeV with the ATLAS detector. Physical Review D, 91(5), 052007. [https://doi.org/10.1103/PhysRevD.91.052007]
SponsorshipANPCyT ; YerPhI, Armenia; Australian Research Council; BMWFW, 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; CERN; Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT); Chinese Academy of Sciences; Ministry of Science and Technology, China; 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; Danish Natural Science Research Council; Lundbeckfonden; European Union (EU); European Research Council (ERC); NSRF; IN2P3-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 and Wallenberg Foundation, Sweden; SER, of Bern and Geneva, Switzerland; SNSF of Bern and Geneva, Switzerland; Cantons of Bern and Geneva, Switzerland; National Science Council of Taiwan; Ministry of Energy & Natural Resources - Turkey; Royal Society and Leverhulme Trust, United Kingdom; United States Department of Energy (DOE); National Science Foundation (NSF); ICREA; Science & Technology Facilities Council (STFC) ST/L003112/1 ST/K000705/1 ST/J004928/1 ATLAS Upgrades ST/K001396/1 ATLAS ST/I006056/1 ATLAS Upgrade ST/J003522/2 ST/K001302/1 ATLAS ST/G502320/1 ST/M001474/1 ST/M002306/1 ST/K001248/1 ST/K003658/1 ST/M001504/1 ST/L006480/1 ST/L003414/1 ST/L000970/1 ATLAS Upgrades ST/K00137X/1 ST/L001179/1 ATLAS Upgrades ST/K001310/1 LHCb ST/K001310/1 ATLAS ST/J00474X/1 ATLAS Upgrades ST/J00474X/1 ST/I005803/1 GRIDPP PP/E000355/1 ST/M006980/1 ST/M004821/1 ST/M003213/1 ST/L001209/1 ATLAS Upgrades ST/I000186/1 PP/E003087/1 1575161 ST/K001310/1 ATLAS Upgrades ST/L001179/1 ST/N000307/1 ST/J005525/1 ST/M007103/1 ATLAS Upgrades ST/L001195/1 ST/H00100X/2 1201187 ST/K001310/1 ST/J004928/1 ATLAS Upgrade ST/G50228X/1 PP/D002915/1 1082012 ST/J004944/1 ST/K001418/1 ST/L001179/1 ATLAS Upgrade GRIDPP ST/M002306/1 ATLAS Upgrades ST/M004821/1 GRIDPP ST/M002071/1 ATLAS Upgrades ST/M001733/1 ST/K003658/1 GRIDPP ST/J005576/1 ST/J005487/1 ST/K001310/1 LHCb Upgrades ST/I006056/1 ST/M001407/1 ST/I005803/1 ST/I00372X/1 GRIDPP ST/I000178/1 ST/I006056/1 ATLAS Upgrades PP/E000444/1 1366825 ST/K001426/1 ATLAS ST/J004928/1 1521422 ST/I006080/1 ST/H00100X/1 1366364 ST/M006980/1 ATLAS Upgrades ST/L000970/1 ST/K001329/1 PP/E002846/1 ST/I00372X/1 ST/K001264/1 ATLAS ST/L000970/1 ATLAS Upgrade ST/L003325/1
Dijet events produced in LHC proton-proton collisions at a center-of-mass energy √s=8 TeV are studied with the ATLAS detector using the full 2012 data set, with an integrated luminosity of 20.3 fb−1. Dijet masses up to about 4.5 TeV are probed. No resonancelike features are observed in the dijet mass spectrum. Limits on the cross section times acceptance are set at the 95% credibility level for various hypotheses of new phenomena in terms of mass or energy scale, as appropriate. This analysis excludes excited quarks with a mass below 4.06 TeV, color-octet scalars with a mass below 2.70 TeV, heavy W′ bosons with a mass below 2.45 TeV, chiral W∗ bosons with a mass below 1.75 TeV, and quantum black holes with six extra space-time dimensions with threshold mass below 5.66 TeV.