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dc.creatorAad, G.
dc.creatorAgatonović-Jovin, Tatjana
dc.creatorBozic, I.
dc.creatorĆirković, Predrag
dc.creatorDimitrievska, A.
dc.creatorKrstić, Jelena
dc.creatorMamužić, Judita
dc.creatorMarjanovic, M.
dc.creatorPopovic, D. S.
dc.creatorSijacki, Dj.
dc.creatorSimic, Lj.
dc.creatorVranjes, N.
dc.creatorVranješ Milosavljević, Marija
dc.date.accessioned2018-03-01T15:29:59Z
dc.date.available2018-03-01T15:29:59Z
dc.date.issued2014
dc.identifier.issn1029-8479 (print)
dc.identifier.urihttp://vinar.vin.bg.ac.rs/handle/123456789/236
dc.description.abstractA search is presented for the production of new heavy quarks that decay to a Z boson and a third-generation Standard Model quark. In the case of a new charge +2/3 quark (T), the decay targeted is T - GT Zt, while the decay targeted for a new charge -1/3 quark (B) is B - GT Zb. The search is performed with a dataset corresponding to 20.3 fb(-1) of p p collisions at root s = 8TeV recorded in 2012 with the ATLAS detector at the CERN Large Hadron Collider. Selected events contain a high transverse momentum Z boson candidate reconstructed from a pair of oppositely charged same-flavor leptons (electrons or muons), and are analyzed in two channels defined by the absence or presence of a third lepton. Hadronic jets, in particular those with properties consistent with the decay of a b-hadron, are also required to be present in selected events. Different requirements are made on the jet activity in the event in order to enhance the sensitivity to either heavy quark pair production mediated by the strong interaction, or single production mediated by the electroweak interaction. No significant excess of events above the Standard Model expectation is observed, and lower limits are derived on the mass of vector-like T and B quarks under various branching ratio hypotheses, as well as upper limits on the magnitude of electroweak coupling parameters.en
dc.relationANPCyT, Argentina, YerPhI, Armenia, ARC, Australia, BMWFW, Austria, FWF, Austria, ANAS, Azerbaijan, SSTC, Belarus, CNPq, Brazil, FAPESP, Brazil, NSERC, Canada, NRC, Canada, CFI, Canada, CERN, CONICYT, Chile, CAS, China, MOST, China, NSFC, China, COLCIENCIAS, Colombia, MSMT CR, Czech Republic, VSC CR, Czech Republic, DNRF, Denmark, Lundbeck Foundation, Denmark, EPLANET, European Union, ERC, European Union, NSRF, European Union, IN2P3-CNRS, France, CEA-DSM/IRFU, France, GNSF, Georgia, BMBF, Germany, DFG, Germany, HGF, Germany, MPG, Germany, AvH Foundation, Germany, GSRT, Greece, NSRF, Greece, ISF, Israel, MINERVA, Israel, GIF, Israel, I-CORE, Israel, Benoziyo Center, Israel, INFN, Italy, MEXT, Japan, JSPS, Japan, CNRST, Morocco, FOM, Netherlands, NWO, Netherlands, BRF, Norway, RCN, Norway, MNiSW, Poland, NCN, Poland, GRICES, Portugal, FCT, Portugal, MNE/IFA, Romania, MES of Russia, ROSATOM, Russian Federation, JINR, MSTD, Serbia, MSSR, Slovakia, ARRS , Slovenia, MIZS, Slovenia, DST/NRF, South Africa, MINECO, Spain, SRC, Sweden, Wallenberg Foundation, Sweden, SER, Switzerland, SNSF , Switzerland, Canton of Bern, Switzerland, Canton of Geneva, Switzerland, NSC, Taiwan, TAEK, Turkey, STFC, United Kingdom, Royal Society, United Kingdom, Leverhulme Trust, United Kingdom, DOE, United States of America, NSF, United States of America, ICREA
dc.rightsopenAccessen
dc.sourceJournal of High Energy Physicsen
dc.subjectHadron-Hadron Scatteringen
dc.titleSearch for pair and single production of new heavy quarks that decay to a Z boson and a third-generation quark in pp collisions at root s=8 TeV with the ATLAS detectoren
dc.typearticleen
dcterms.abstractМилосављевиц, М. Врањес; Врањес, Н.; Мамузић Јудита; Aгатоновић-Јовин Татјана; Ћирковић Предраг; Сијацки, Дј.; Поповиц, Д. С.; Марјановиц, М.; Крстиц, Ј.; Бозиц, И.; Симиц, Љ.; Димитриевска, A.; Aад, Г.;
dc.citation.issue11
dc.identifier.wos000345620200001
dc.identifier.doi10.1007/JHEP11(2014)104
dc.citation.otherArticle Number: 104
dc.citation.rankM21
dc.contributor.countATLAS Collaboration (ukupan broj autora: 2898)
dc.identifier.scopus2-s2.0-84925620206
dc.identifier.fulltexthttp://vinar.vin.bg.ac.rs//bitstream/id/12237/232.pdf


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