Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/9781
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dc.contributor.authorAad, G.-
dc.contributor.authorAbbott, B.-
dc.contributor.authorAbbott, D. C.-
dc.contributor.authorAbud, A. Abed-
dc.contributor.authorAbeling, K.-
dc.contributor.authorAbhayasinghe, D. K.-
dc.contributor.authorAdamczyk, L.-
dc.date.accessioned2022-12-25T20:46:38Z-
dc.date.available2022-12-25T20:46:38Z-
dc.date.issued2020-
dc.identifier.issn1434-6044-
dc.identifier.issn1434-6052-
dc.identifier.urihttps://doi.org/10.1140/epjc/s10052-020-8102-8-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/9781-
dc.description.abstractA search for direct pair production of scalar partners of the top quark (top squarks or scalar third-generation up-type leptoquarks) in the all-hadronic t (t) over bar plus missing transverse momentum final state is presented. The analysis of 139 fb(-1) of root s = 13 TeV proton-proton collision data collected using the ATLAS detector at the LHC yields no significant excess over the Standard Model background expectation. To interpret the results, a supersymmetric model is used where the top squark decays via (t) over tilde -> t((*))(chi) over tilde (0)(1), with t((*)) denoting an on-shell (off-shell) top quark and (chi) over tilde (0)(1) the lightest neutralino. Three specific event selections are optimised for the following scenarios. In the scenario where m((t) over tilde) > m(t) + m((chi) over tilde 10), top squark masses are excluded in the range 400-1250 GeV for (chi) over tilde (0)(1) masses below 200 GeV at 95% confidence level. In the situation where m((t) over tilde) similar to m(t) + m((chi) over tilde 10), top squark masses in the range 300-630 GeV are excluded, while in the case where m((t) over tilde) < m(W) + m(b) + m(<(chi)over tilde>10) (with m((t) over tilde) - m((chi) over tilde 10) >= 5 GeV), considered for the first time in an ATLAS all-hadronic search, top squark masses in the range 300-660 GeV are excluded. Limits are also set for scalar third-generation up-type leptoquarks, excluding leptoquarks with masses below 1240 GeV when considering only leptoquark decays into a top quark and a neutrino.en_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofEuropean Physical Journal Cen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectMeasuring Massesen_US
dc.subjectSupersymmetryen_US
dc.subjectCollidersen_US
dc.subjectBreakingen_US
dc.subjectEnergyen_US
dc.subjectModelsen_US
dc.subjectSquarken_US
dc.subjectDecayen_US
dc.titleSearch for a Scalar Partner of the Top Quark in the All-Hadronic T(t)over-Bar Plus Missing Transverse Momentum Final State at Root S=13 Tev With the Atlas Detectoren_US
dc.typeArticleen_US
dc.departmentESTÜen_US
dc.identifier.volume80en_US
dc.identifier.issue8en_US
dc.authoridMalek, Fairouz/0000-0002-0948-5775-
dc.authoridSmirnova, Oxana/0000-0003-2517-531X-
dc.authoridBergmann, Benedikt/0000-0002-8076-5614-
dc.authoridZanzi, Daniele/0000-0002-1222-7937-
dc.authoridCasado, Pilar/0000-0002-0394-5646-
dc.authoridMikel Eukeni, Pozo Astigarraga/0000-0002-3069-3077-
dc.authoridValero, Alberto/0000-0002-9776-5880-
dc.identifier.wosWOS:000639389400002en_US
dc.identifier.scopus2-s2.0-85090049230en_US
dc.institutionauthor[Belirlenecek]-
dc.identifier.doi10.1140/epjc/s10052-020-8102-8-
dc.authorwosidMalek, Fairouz/E-4410-2018-
dc.authorwosidSmirnova, Oxana/A-4401-2013-
dc.authorwosidBergmann, Benedikt/L-8368-2019-
dc.authorwosidCarquin López, Edson/GZG-4712-2022-
dc.authorwosidCarquin, Edson/GLU-9641-2022-
dc.authorwosidLampoudis, Christos/AAU-5016-2021-
dc.authorwosidZanzi, Daniele/AAY-4102-2020-
dc.authorscopusid26326745400-
dc.authorscopusid35226946900-
dc.authorscopusid57208306618-
dc.authorscopusid57208907456-
dc.authorscopusid57210132793-
dc.authorscopusid57193183451-
dc.authorscopusid56536227400-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanen_US
dc.identifier.scopusqualityQ1-
dc.identifier.trdiziniden_US]
item.openairetypeArticle-
item.languageiso639-1en-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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