Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at root s=13 TeV with the ATLAS detector

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dc.WoS.categoriesAstronomy & Astrophysics; Physics, Particles & Fieldsen_US
dc.authorid0000-0001-5050-8441en_US
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2020-11-12T06:56:48Z
dc.date.available2020-11-12T06:56:48Z
dc.date.issued2018-03-27
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractA search for electroweak production of supersymmetric particles in scenarios with compressed mass spectra in final states with two low-momentum leptons and missing transverse momentum is presented. This search uses proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider in 2015-2016, corresponding to 36.1 tb(-1) of integrated luminosity at root s = 13 TeV. Events with same flavor pairs of electrons or muons with opposite electric charge are selected. The data are found to be consistent with the Standard Model prediction. Results are interpreted using simplified models of R-parity conserving supersymmetry in which there is a small mass difference between the masses of the produced supersymmetric particles and the lightest neutralino. Exclusion limits at 95% confidence level are set on next-to-lightest neutralino masses of up to 145 GeV for Higgsino production and 175 GeV for wino production, and slepton masses of up to 190 GeV for pair production of sleptons. In the compressed mass regime, the exclusion limits extend down to mass splittings of 2.5 GeV for Higgsino production, 2 GeV for wino production, and 1 GeV for slepton production. The results are also interpreted in the context of a radiatively-driven natural supersymmetry model with nonuniversal Higgs boson masses.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1103/PhysRevD.97.052010en_US
dc.identifier.issn1550-2368
dc.identifier.issn1550-7998
dc.identifier.scopus2-s2.0-85044850825en_US
dc.identifier.urihttps://hdl.handle.net/11411/2600
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.97.052010
dc.identifier.wosWOS:000428390100001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue5en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors200+en_US
dc.publisherAMER PHYSICAL SOCen_US
dc.relation.ispartofPHYSICAL REVIEW Den_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectE(+)E(-) COLLISIONSen_US
dc.subjectPARTON DISTRIBUTIONSen_US
dc.subjectLIGHTEST NEUTRALINOen_US
dc.subjectHADRON COLLIDERSen_US
dc.subjectSCALAR LEPTONSen_US
dc.subjectCHARGINOSen_US
dc.subjectPARTICLEen_US
dc.subjectMSSMen_US
dc.subjectPHENOMENOLOGYen_US
dc.subjectDEGENERATEen_US
dc.titleSearch for electroweak production of supersymmetric states in scenarios with compressed mass spectra at root s=13 TeV with the ATLAS detectoren_US
dc.typeArticleen_US
dc.volume97en_US

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