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Search 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 detector
dc.creator | Aad, G. | |
dc.creator | Agatonović-Jovin, Tatjana | |
dc.creator | Bozic, I. | |
dc.creator | Ćirković, Predrag | |
dc.creator | Dimitrievska, A. | |
dc.creator | Krstić, Jugoslav | |
dc.creator | Mamužić, Judita | |
dc.creator | Marjanović, M. | |
dc.creator | Popović, D. S. | |
dc.creator | Sijacki, Dj. | |
dc.creator | Simić, Lj. | |
dc.creator | Vranješ, Nenad | |
dc.creator | Vranješ Milosavljević, Marija | |
dc.date.accessioned | 2018-03-01T15:29:59Z | |
dc.date.available | 2018-03-01T15:29:59Z | |
dc.date.issued | 2014 | |
dc.identifier.issn | 1029-8479 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/236 | |
dc.description.abstract | A 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.relation | ANPCyT, 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.rights | openAccess | en |
dc.source | Journal of High Energy Physics | en |
dc.subject | Hadron-Hadron Scattering | en |
dc.title | Search 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 detector | en |
dc.type | article | en |
dcterms.abstract | Милосављевиц, 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.issue | 11 | |
dc.identifier.wos | 000345620200001 | |
dc.identifier.doi | 10.1007/JHEP11(2014)104 | |
dc.citation.other | Article Number: 104 | |
dc.citation.rank | M21 | |
dc.contributor.count | ATLAS Collaboration (ukupan broj autora: 2898) | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-84925620206 | |
dc.identifier.fulltext | https://vinar.vin.bg.ac.rs//bitstream/id/12237/232.pdf |