Search For Heavy Neutrinos And Third-Generation Leptoquarks In Hadronic States Of Two ? Leptons And Two Jets In Proton-Proton Collisions At S?=13s Tev

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dc.authorid249433en_US
dc.contributor.authorBilki, Burak
dc.contributor.author., ve diğer.
dc.date.accessioned2019-12-28T10:16:00Z
dc.date.available2019-12-28T10:16:00Z
dc.date.issued2019
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractA search for new particles has been conducted using events with two high transverse momentum ? leptons that decay hadronically and at least two energetic jets. The analysis is performed using data from proton-proton collisions at s?=13 TeV, collected by the CMS experiment at the LHC in 2016 and corresponding to an integrated luminosity of 35.9 fb?1. The observed data are consistent with standard model expectations. The results are interpreted in the context of two physics models. The first model involves right-handed charged bosons, WR, that decay to heavy right-handed Majorana neutrinos, N? (? = e, ?, ?), arising in a left-right symmetric extension of the standard model. The model considers that Ne and N? are too heavy to be detected at the LHC. Assuming that the N? mass is half of the WR mass, masses of the WR boson below 3.50 TeV are excluded at 95% confidence level. Exclusion limits are also presented considering different scenarios for the mass ratio between N? and WR, as a function of WR mass. In the second model, pair production of third-generation scalar leptoquarks that decay into ??bb is considered, resulting in an observed exclusion region with leptoquark masses below 1.02 TeV, assuming a 100% branching fraction for the leptoquark decay to a ? lepton and a bottom quark. These results represent the most stringent limits to date on these models.en_US
dc.identifier.citationJ. High Energ. Phys. (2019) 2019: 170.en_US
dc.identifier.doi10.1007/JHEP03(2019)170
dc.identifier.issn1029-8479
dc.identifier.scopus2-s2.0-85063902132en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1007/JHEP03(2019)170
dc.identifier.wosWOS:000463074600001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherThe CMS Collaborationen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.subjectBeyond Standard Modelen_US
dc.subjectDark matteren_US
dc.subjectHadron-Hadron scattering (experiments)en_US
dc.titleSearch For Heavy Neutrinos And Third-Generation Leptoquarks In Hadronic States Of Two ? Leptons And Two Jets In Proton-Proton Collisions At S?=13s Teven_US
dc.typeArticleen_US

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