Search for Heavy Higgs Bosons $A/H$ Decaying to a Top Quark Pair in $pp$ Collisions at $sqrt{s}=8 ext{ } ext{ }mathrm{TeV}$ with the ATLAS Detector

dc.authorid0000-0001-5050-8441en_US
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2021-04-08T07:21:19Z
dc.date.available2021-04-08T07:21:19Z
dc.date.issued2017-11-10
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractA search for heavy pseudoscalar (A) and scalar (H) Higgs bosons decaying into a top quark pair (tt¯) has been performed with 20.3??fb-1 of proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a center-of-mass energy s=8??TeV. Interference effects between the signal process and standard model tt¯ production, which are expected to distort the signal shape from a single peak to a peak-dip structure, are taken into account. No significant deviation from the standard model prediction is observed in the tt¯ invariant mass spectrum in final states with an electron or muon, large missing transverse momentum, and at least four jets. The results are interpreted within the context of a type-II two-Higgs-doublet model. Exclusion limits on the signal strength are derived as a function of the mass mA/H and the ratio of the vacuum expectation values of the two Higgs fields, tan?, for mA/H>500??GeV.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1103/PhysRevLett.119.191803
dc.identifier.issn0031-9007
dc.identifier.pmid29219511en_US
dc.identifier.scopus2-s2.0-85034070285en_US
dc.identifier.urihttps://hdl.handle.net/11411/3511
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.119.191803
dc.identifier.wosWOS:000414743000003en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.issue19en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors2878en_US
dc.pages43831en_US
dc.publisherAmer. Physical Soc.en_US
dc.relation.ispartofPhysical Review Lettersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmz20240718_Mükerrer
dc.subjectp p: colliding beamsen_US
dc.subjecttop: pair productionen_US
dc.subjectHiggs particle: heavyen_US
dc.subjectHiggs particle: hadronic decayen_US
dc.subjectinterference: effecten_US
dc.subjecttransverse momentum: missing-energyen_US
dc.subjectp p: scatteringen_US
dc.subjectATLASen_US
dc.subjectCERN LHC Collen_US
dc.subjectmass spectrum: (2top)en_US
dc.subjectHiggs particle: pseudoscalar particleen_US
dc.subjectstructureen_US
dc.subjectsupersymmetry: parameter spaceen_US
dc.subjectmass dependenceen_US
dc.subjectfinal state: ((n)jet lepton)en_US
dc.subjectHiggs particle: doubleten_US
dc.subjectexperimental resultsen_US
dc.subject8000 GeV-cmsen_US
dc.titleSearch for Heavy Higgs Bosons $A/H$ Decaying to a Top Quark Pair in $pp$ Collisions at $sqrt{s}=8 ext{ } ext{ }mathrm{TeV}$ with the ATLAS Detector
dc.typeArticle
dc.volume119en_US

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