Çetin, Serkant Ali2020-05-042020-05-042020-04-072470-00292470-0010https://hdl.handle.net/11411/1992https://doi.org/10.1103/PhysRevD.101.072001A search for supersymmetry through the pair production of electroweakinos with mass splittings near the electroweak scale and decaying via on-shell W and Z bosons is presented for a three-lepton final state. The analyzed proton-proton collision data taken at a center-of-mass energy of root s = 13 TeV were collected between 2015 and 2018 by the ATLAS experiment at the Large Hadron Collider, corresponding to an integrated luminosity of 139 fb(-1). A search, emulating the recursive jigsaw reconstruction technique with easily reproducible laboratory-frame variables, is performed. The two excesses observed in the 2015-2016 data recursive jigsaw analysis in the low-mass three-lepton phase space are reproduced. Results with the full data set are in agreement with the Standard Model expectations. They are interpreted to set exclusion limits at the 95% confidence level on simplified models of chargino-neutralino pair production for masses up to 345 GeV.eninfo:eu-repo/semantics/openAccessDecayE(+)E(-) CollisionsCross-SectionSupersymmetryExtensionArticle2-s2.0-8508398899110.1103/PhysRevD.101.072001Q1WOS:000524321800002