Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/3602
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dc.contributor.authorThe ATLAS Collaboration-
dc.contributor.authorSultansoy, Saleh-
dc.date.accessioned2020-08-24T13:44:16Z
dc.date.available2020-08-24T13:44:16Z
dc.date.issued2018-9
dc.identifier.citationATLAS collaboration. (2018). Measurements of Higgs boson properties in the diphoton decay channel with 36 fb? 1 of p p collision data at s= 13 TeV with the ATLAS detector. Physical Review D, 98(5), 052005.en_US
dc.identifier.issn24700010
dc.identifier.urihttps://journals.aps.org/prd/abstract/10.1103/PhysRevD.98.052005-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/3602-
dc.description.abstractProperties of the Higgs boson are measured in the two-photon final state using 36.1 fb-1 of proton? proton collision data recorded at ffiffi ?s = 13 TeV by the ATLAS experiment at the Large Hadron Collider. Cross-section measurements for the production of a Higgs boson through gluon-gluon fusion, vectorboson fusion, and in association with a vector boson or a top-quark pair are reported. The signal strength, defined as the ratio of the observed to the expected signal yield, is measured for each of these production processes as well as inclusively. The global signal strength measurement of 0.99 ± 0.14 improves on the precision of the ATLAS measurement at ?s = 7 and 8 TeV by a factor of two. Measurements of gluon-gluon fusion and vector-boson fusion productions yield signal strengths compatible with the Standard Model prediction. Measurements of simplified template cross sections, designed to quantify the different Higgs boson production processes in specific regions of phase space, are reported. The cross section for the production of the Higgs boson decaying to two isolated photons in a fiducial region closely matching the experimental selection of the photons is measured to be 55 ± 10 fb, which is in good agreement with the Standard Model prediction of 64 ± 2 fb. Furthermore, cross sections in fiducial regions enriched in Higgs boson production in vector-boson fusion or in association with large missing transverse momentum, leptons or top-quark pairs are reported. Differential and double-differential measurements are performed for several variables related to the diphoton kinematics as well as the kinematics and multiplicity of the jets produced in association with a Higgs boson. These differential cross sections are sensitive to higher order QCD corrections and properties of the Higgs boson, such as its spin and CP quantum numbers. No significant deviations from a wide array of Standard Model predictions are observed. Finally, the strength and tensor structure of the Higgs boson interactions are investigated using an effective Lagrangian, which introduces additional CP-even and CP-odd interactions. No significant new physics contributions are observed. © 2018 CERN, for the ATLAS Collaboration.en_US
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.ispartofPhysical Review Den_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCollisionsen_US
dc.subjectjetsen_US
dc.subjectproton–proton collisionsen_US
dc.titleMeasurements of Higgs boson properties in the diphoton decay channel with 36 fb -1 of pp collision data at ?s = 13 TeV with the ATLAS detectoren_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.volume98
dc.identifier.issue5
dc.authorid0000-0003-2340-748X-
dc.identifier.wosWOS:000444954200001en_US
dc.identifier.scopus2-s2.0-85055092845en_US
dc.institutionauthorSultansoy, Saleh F.-
dc.identifier.doi10.1103/PhysRevD.98.052005-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ1-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
item.fulltextWith 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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