Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/4941
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dc.contributor.authorAad, G.-
dc.contributor.authorAbajyan, T.-
dc.contributor.authorAbbott, B.-
dc.contributor.authorAbdallah, J.-
dc.contributor.authorKhalek, S. Abdel-
dc.contributor.authorAbdelalim, A. A.-
dc.contributor.authorThe ATLAS Collaboration-
dc.contributor.authorSultansoy, Saleh-
dc.date.accessioned2021-09-11T14:20:53Z-
dc.date.available2021-09-11T14:20:53Z-
dc.date.issued2013en_US
dc.identifier.issn1029-8479-
dc.identifier.urihttps://doi.org/10.1007/JHEP03(2013)076-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/4941-
dc.description.abstractIn several extensions of the Standard Model, the top quark can decay into a bottom quark and a light charged Higgs boson H+, t -> bH(+), in addition to the Standard Model decay t -> bW. Since W bosons decay to the three lepton generations equally, while H+ may predominantly decay into tau nu, charged Higgs bosons can be searched for using the violation of lepton universality in top quark decays. The analysis in this paper is based on 4.6 fb(-1) of proton-proton collision data at root s = 7 TeV collected by the ATLAS experiment at the Large Hadron Collider. Signatures containing leptons (e or mu) and/or a hadronically decaying tau (tau(had)) are used. Event yield ratios between e+ tau(had) and e + mu, as well as between mu + tau(had) and mu + e, final states are measured in the data and compared to predictions from simulations. This ratio-based method reduces the impact of systematic uncertainties in the analysis. No significant deviation from the Standard Model predictions is observed. With the assumption that the branching fraction B(H+ -> tau nu) is 100%, upper limits in the range 3.2%-4.4% can be placed on the branching fraction B(t -> bH(+)) for charged Higgs boson masses m(H+) in the range 90-140GeV. After combination with results from a search for charged Higgs bosons in t (t) over bar decays using the tau(had) + jets final state, upper limits on B(t -> bH(+)) can be set in the range 0.8%-3.4%, for m(H+) in the range 90-160GeV.en_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of High Energy Physicsen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHadron-Hadron Scatteringen_US
dc.titleSearch for charged Higgs bosons through the violation of lepton universality in t(t)over-bar events using pp collision data at root s=7 TeV with the ATLAS experimenten_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Material Science and Nanotechnology Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümütr_TR
dc.identifier.issue3en_US
dc.authorid0000-0001-7708-9259-
dc.authorid0000-0002-5732-5645-
dc.authorid0000-0002-3015-7821-
dc.authorid0000-0002-9047-6517-
dc.authorid0000-0003-0907-7592-
dc.authorid0000-0002-2443-6525-
dc.identifier.wosWOS:000317521200076en_US
dc.identifier.scopus2-s2.0-84876245762en_US
dc.institutionauthorSultansoy, Saleh-
dc.identifier.doi10.1007/JHEP03(2013)076-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ1-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
crisitem.author.dept02.6. Department of Material Science and Nanotechnology Engineering-
Appears in Collections:Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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