Search for supersymmetry with a compressed mass spectrum in events with a soft tau lepton, a highly energetic jet, and large missing transverse momentum in proton-proton collisions at root s=13 TeV

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dc.authorid0000-0002-2614-5860en_US
dc.contributor.authorSirunyan, A. M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAmbrogi, F.
dc.contributor.authorBergauer, T.
dc.contributor.authorSağır, Sinan
dc.date.accessioned2020-04-15T17:31:13Z
dc.date.available2020-04-15T17:31:13Z
dc.date.issued2020en_US
dc.departmentKMÜ, Sağlık Hizmetleri Meslek Yüksekokulu, Tıbbi Hizmetler ve Teknikler Bölümüen_US
dc.descriptionWOS:000510176700004 PubMed ID: 32058742en_US
dc.description.abstractThe first search for supersymmetry in events with an experimental signature of one soft, hadronically decaying tau lepton, one energetic jet from initial-state radiation, and large transverse momentum imbalance is presented. These event signatures are consistent with direct or indirect production of scalar tau leptons ((tau) over tilde) in supersymmetric models that exhibit coannihilation between the (tau) over tilde and the lightest neutralino ((chi) over tilde (0)(1)), and that could generate the observed relic density of dark matter. The data correspond to an integrated luminosity of 77.2 fb(-1) of proton-proton collisions at root s = 13 TeV collected with the CMS detector at the LHC in 2016 and 2017. The results are interpreted in a supersymmetric scenario with a small mass difference (Delta m) between the chargino ((chi) over tilde (+/-)(1)) or next-to-lightest neutralino ((chi) over tilde (0)(2)), and the (chi) over tilde (0)(1). The mass of the (tau) over tilde is assumed to be the average of the (chi) over tilde (1)(+/-) and (chi) over tilde (0)(1) masses. The data are consistent with standard model background predictions. Upper limits at 95% confidence level are set on the sum of the (chi) over tilde (+/-)(1). (chi) over tilde (0)(2), and (tau) over tilde production cross sections for Delta m ((chi) over tilde (+/-)(1),(chi) over tilde (0)(1)) = 50 GeV, resulting in a lower limit of 290 GeVon the mass of the (chi) over tilde (+/-)(1), which is the most stringent to date and surpasses the bounds from the LEP experiments.en_US
dc.identifier.citationSirunyan, A. M., Tumasyan, A., Adam, W., Ambrogi, F., Bergauer, T., Sağır,S.(2020).Search for supersymmetry with a compressed mass spectrum in events with a soft tau lepton, a highly energetic jet, and large missing transverse momentum in proton-proton collisions at root s=13 TeV. Physical Review Letters, 124,4.en_US
dc.identifier.doi10.1103/PhysRevLett.124.041803
dc.identifier.issn0031-9007
dc.identifier.issn1079-7114
dc.identifier.issue4en_US
dc.identifier.pmid32058742
dc.identifier.scopusscopusidyok
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.124.041803
dc.identifier.urihttps://hdl.handle.net/11492/3431
dc.identifier.volume124en_US
dc.identifier.wosWOS:000510176700004
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Sceince
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorSağır, Sinan
dc.language.isoen
dc.publisherAmerican Physical Societyen_US
dc.relation.journalPhysical Review Lettersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCo-Annihilation Regionen_US
dc.subjectCollısıonsen_US
dc.subjectScalar Leptonsen_US
dc.titleSearch for supersymmetry with a compressed mass spectrum in events with a soft tau lepton, a highly energetic jet, and large missing transverse momentum in proton-proton collisions at root s=13 TeVen_US
dc.typeArticle

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