Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6711
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dc.contributor.authorCMS Collaboration-
dc.contributor.authorKarapınar, Güler-
dc.date.accessioned2018-01-18T12:28:00Z-
dc.date.available2018-01-18T12:28:00Z-
dc.date.issued2017-10-
dc.identifier.citationSirunyan, A.M., Tumasyan, A., Adam, W., Asilar, E., Bergauer,T., Brandstetter, J.,...CMS Collaboration (2017). Search for associated production of dark matter with a Higgs boson decaying to b b ¯ or γγ at √s=13 TeV. Journal of High Energy Physics, 2017(10). doi:10.1007/JHEP10(2017)180en_US
dc.identifier.issn1029-8479-
dc.identifier.issn1029-8479-
dc.identifier.urihttp://doi.org/10.1007/JHEP10(2017)180-
dc.identifier.urihttp://hdl.handle.net/11147/6711-
dc.description.abstractA search for dark matter is performed looking for events with large missing transverse momentum and a Higgs boson decaying either to a pair of bottom quarks or to a pair of photons. The data from proton-proton collisions at a center-of-mass energy of 13 TeV, collected in 2015 with the CMS detector at the LHC, correspond to an integrated luminosity of 2.3 fb−1. Results are interpreted in the context of a Z′-two-Higgs-doublet model, where the gauge symmetry of the standard model is extended by a U(1)Z ′ group, with a new massive Z′ gauge boson, and the Higgs sector is extended with four additional Higgs bosons. In this model, a high-mass resonance Z′ decays into a pseudoscalar boson A and a light SM-like scalar Higgs boson, and the A decays to a pair of dark matter particles. No significant excesses are observed over the background prediction. Combining results from the two decay channels yields exclusion limits in the signal cross section in the mZ ′ - mA phase space. For example, the observed data exclude the Z′ mass range from 600 to 1860 GeV, for Z′ coupling strength gZ ′ = 0.8, the coupling of A with dark matter particles gχ = 1, the ratio of the vacuum expectation values tan β = 1, and mA = 300 GeV. The results of this analysis are valid for any dark matter particle mass below 100 GeV.en_US
dc.description.sponsorshipThe Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authorityen_US
dc.language.isoenen_US
dc.publisherSpringer Verlagen_US
dc.relation.ispartofJournal of High Energy Physicsen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectLarge Hadron Collider (LHC)en_US
dc.subjectCompact Muon Solenoiden_US
dc.subjectDark matteren_US
dc.titleSearch for associated production of dark matter with a Higgs boson decaying to b b ¯ or ?? at ?s=13 TeVen_US
dc.typeArticleen_US
dc.institutionauthorKarapınar, Güler-
dc.departmentİzmir Institute of Technology. Mathematicsen_US
dc.identifier.volume2017en_US
dc.identifier.issue10en_US
dc.identifier.wosWOS:000414813100001en_US
dc.identifier.scopus2-s2.0-85034450095en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1007/JHEP10(2017)180-
dc.relation.doi10.1007/JHEP10(2017)180en_US
dc.coverage.doi10.1007/JHEP10(2017)180en_US
dc.identifier.wosqualityQ1-
dc.identifier.scopusqualityQ1-
item.openairetypeArticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.grantfulltextopen-
crisitem.author.dept01. Izmir Institute of Technology-
Appears in Collections:Mathematics / Matematik
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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