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Search for s-channel single top-quark production in proton-proton 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 | Dimitrievska, A. | |
dc.creator | Krstić, Jelena | |
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 | 2018-03-01T15:46:23Z | |
dc.date.available | 2018-03-01T15:46:23Z | |
dc.date.issued | 2015 | |
dc.identifier.issn | 0370-2693 | |
dc.identifier.issn | 1873-2445 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/319 | |
dc.description.abstract | This Letter presents a search at the LHC for s-channel single top-quark production in proton-proton collisions at a centre-of-mass energy of 8 TeV. The analyzed data set was recorded by the ATLAS detector and corresponds to an integrated luminosity of 20.3 fb(-1). Selected events contain one charged lepton, large missing transverse momentum and exactly two b-tagged jets. A multivariate event classifier based on boosted decision trees is developed to discriminate s-channel single top-quark events from the main background contributions. The signal extraction is based on a binned maximum-likelihood fit of the output classifier distribution. The analysis leads to an upper limit on the s-channel single topquark production cross-section of 14.6 pb at the 95% confidence level. The fit gives a cross-section of sigma(s) = 5.0 +/- 4.3 pb, consistent with the Standard Model expectation. (C) 2014 The Authors. Published by Elsevier B.V. | 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, MPO CR, Czech Republic, VSC CR, Czech Republic, DNRF, Denmark, DNSRC, 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, AvH Foundation, Germany, GSRT, Greece, NSRF, Greece, ISF, Israel, MINERVA, Israel, GIF, Israel, I-CORE, Israel, Benoziyo Center, Israel, MEXT, Japan, JSPS, Japan, CNRST, Morocco, NWO, Netherlands, FOM, Netherlands, BRF, Norway, RCN, Norway, MNiSW, Poland, NCN, Poland, GRICES, Portugal, FCT, Portugal, MNE/IFA, Romania, MES of Russia, Russian Federation, 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, 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 | Physics Letters B | en |
dc.subject | ATLAS | en |
dc.subject | Top quark | en |
dc.subject | Electroweak production | en |
dc.subject | s-Channel | en |
dc.title | Search for s-channel single top-quark production in proton-proton collisions at root s=8 TeV with the ATLAS detector | en |
dc.type | article | en |
dcterms.abstract | Мамузић Јудита; Врањес, Н.; Милосављевиц, М. Врањес; Aгатоновић-Јовин Татјана; Марјановиц, М.; Крстиц, Ј.; Димитриевска, A.; Aад, Г.; Симиц, Љ.; Сијацки, Дј.; Бозиц, И.; Поповиц, Д. С.; | |
dc.citation.volume | 740 | |
dc.citation.spage | 118 | |
dc.citation.epage | 136 | |
dc.identifier.wos | 000347046200017 | |
dc.identifier.doi | 10.1016/j.physletb.2014.11.042 | |
dc.citation.rank | M21a | |
dc.contributor.count | ATLAS Collaboration (ukupan broj autora: 2891) | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-84969771501 | |
dc.identifier.fulltext | https://vinar.vin.bg.ac.rs//bitstream/id/12394/315.pdf |