Search For Black Holes And Sphalerons İn High-Multiplicity Final States İn Proton-Proton Collisions At S?=13 TeV

dc.authorid249433en_US
dc.contributor.authorBilki, Burak
dc.contributor.author., ve diger
dc.date.accessioned2019-03-28T13:21:02Z
dc.date.available2019-03-28T13:21:02Z
dc.date.issued2018
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractA search in energetic, high-multiplicity final states for evidence of physics beyond the standard model, such as black holes, string balls, and electroweak sphalerons, is presented. The data sample corresponds to an integrated luminosity of 35.9 fb?1 collected with the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV in 2016. Standard model backgrounds, dominated by multijet production, are determined from control regions in data without any reliance on simulation. No evidence for excesses above the predicted background is observed. Model-independent 95% confidence level upper limits on the cross section of beyond the standard model signals in these final states are set and further interpreted in terms of limits on semiclassical black hole, string ball, and sphaleron production. In the context of models with large extra dimensions, semiclassical black holes with minimum masses as high as 10.1 TeV and string balls with masses as high as 9.5 TeV are excluded by this search. Results of the first dedicated search for electroweak sphalerons are presented. An upper limit of 0.021 is set at 95% confidence level on the fraction of all quark-quark interactions above the nominal threshold energy of 9 TeV resulting in the sphaleron transitionen_US
dc.identifier.doi10.1007/JHEP11(2018)042
dc.identifier.issn1029-8479
dc.identifier.scopus2-s2.0-85056647097en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1007/JHEP11(2018)042
dc.identifier.wosWOS:000450504400001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringer Linktr_TR
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.subjectBeyond Standard Modeltr_TR
dc.subjectHadron-Hadron scatteringtr_TR
dc.titleSearch For Black Holes And Sphalerons İn High-Multiplicity Final States İn Proton-Proton Collisions At S?=13 TeVen_US
dc.typeArticleen_US

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