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dc.contributor.authorÇetin, Serkant Ali
dc.contributor.authorATLAS Collaboration
dc.date.accessioned2015-07-07T09:08:01Z
dc.date.available2015-07-07T09:08:01Z
dc.date.issued2012-04
dc.identifier.citationADD, G., ABBOTT, B., ABDALLAH, J., KHALEK, S.A., ABDELALIM, A.A., ABDESSELAM, A., ATLAS Collaboration. (2012). Search for same-sign top-quark production and fourth-generation down-type quarks in pp collisions at root s=7 TeV with the ATLAS detector. Journal of Hight Energy Physics, Issue (4), 39p. http://dx.doi.org/10.1007/JHEP04(2012)069.en_US
dc.identifier.issn1029-8479
dc.identifier.other000304146600069 (WOS)
dc.identifier.urihttp://dx.doi.org/10.1007/JHEP04(2012)069
dc.identifier.urihttp://hdl.handle.net/11376/1703
dc.description.abstractA search is preseritecl for same-sign top-quark production and down-type heavy quarks of charge -1/3 in events with two isolated leptons (c or mu) that have the same electric charge, at least two jets and large missing transverse momentum. The data are selected from pp collisions at root s = 7 TeV recorded by the ATLAS detector and correspond to an integrated luminosity of 1.04 fb(-1). The observed data are consistent with expectations from Standard Model processes. Upper limits are set at 95% confidence level on the cross section of new sources of same-sign top-quark pair production of 1.4-2.0 pb depending on the assumed mediator mass. Upper limits are also set on the pair-production cross-section for new heavy down-type quarks; a lower limit of 450 GeV is set at 95% confidence level on the mass of heavy down-type quarks under the assumption that they decay 100% of the time to Wt.en_US
dc.language.isoengen_US
dc.publisherSpringeren_US
dc.relation.isversionof10.1007/JHEP04(2012)069en_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHardron-Hadron Scatteringen_US
dc.subjectATLAS Detectoren_US
dc.titleSearch for same-sign top-quark production and fourth-generation down-type quarks in pp collisions at root s=7 TeV with the ATLAS detectoren_US
dc.typearticleen_US
dc.relation.journalJournal of Hight Energy Physicsen_US
dc.contributor.departmentDoğuş Üniversitesi, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.contributor.authorIDTR3959en_US
dc.identifier.issue4en_US
dc.identifier.startpage1en_US
dc.identifier.endpage39en_US


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