Search for Dark Matter in Events with a Z Boson and Missing Transverse Momentum in pp Collisions at √s=8 TeV with the ATLAS Detector

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dc.contributor.VIAF250674117 (Izen, JM)en_US
dc.contributor.VIAF250674117 (Izen, JM)
dc.contributor.authorAad, G.en_US
dc.contributor.authorAbajyan, T.en_US
dc.contributor.authorAbbott, B.en_US
dc.contributor.authorAbdallah, J.en_US
dc.contributor.authorAbdel Khalek, S.en_US
dc.contributor.authorAbdinov, O.en_US
dc.contributor.authorAben, R.en_US
dc.contributor.authorIzen, Joseph M.en_US
dc.contributor.authorLou, Xinchouen_US
dc.contributor.authorReeves, Kendallen_US
dc.contributor.authorLeyton, Michaelen_US
dc.contributor.authorNamasivayam, Harisankaren_US
dc.contributor.authorATLAS Collaborationen_US
dc.contributor.utdAuthorIzen, Joseph M.en_US
dc.contributor.utdAuthorLeyton, Michaelen_US
dc.contributor.utdAuthorNamasivayam, Harisankaren_US
dc.contributor.utdAuthorReeves, Kendallen_US
dc.contributor.utdAuthorLou, Xinchouen_US
dc.date.accessioned2014-10-16T22:14:52Z
dc.date.available2014-10-16T22:14:52Z
dc.date.created2014-07-10en_US
dc.date.issued2014-07-10en_US
dc.description.abstractA search is presented for production of dark-matter particles recoiling against a leptonically decaying Z boson in 20.3 fb⁻¹ of pp collisions at √s=8 TeV with the ATLAS detector at the Large Hadron Collider. Events with large missing transverse momentum and two oppositely charged electrons or muons consistent with the decay of a Z boson are analyzed. No excess above the Standard Model prediction is observed. Limits are set on the mass scale of the contact interaction as a function of the dark-matter particle mass using an effective field theory description of the interaction of dark matter with quarks or with Z bosons. Limits are also set on the coupling and mediator mass of a model in which the interaction is mediated by a scalar particle.en_US
dc.identifier.bibliographicCitationAad, G., T. Abajyan, B. Abbott, J. Abdallah, et al. 2014. "Search for dark matter in events with a Z boson and missing transverse momentum in pp collisions at √s=8 TeV with the ATLAS detector." Physical Review D - Particles, Fields, Gravitation and Cosmology 90(1), doi10.1103/PhysRevD.90.012004en_US
dc.identifier.issn1550-2368en_US
dc.identifier.issue1en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/4121
dc.identifier.volume90en_US
dc.language.isoen_USen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevD.90.012004
dc.rightsCC BY 3.0 (Attribution)en_US
dc.rights©2014 CERN for the ATLAS Collaborationen_US
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en_US
dc.sourcePhysical Review D - Particles, Fields, Gravitation and Cosmology
dc.subjectZ bosonsen_US
dc.subjectDark matter (Astronomy)en_US
dc.subjectProton-proton interactionsen_US
dc.subjectStandard model (Nuclear physics)en_US
dc.titleSearch for Dark Matter in Events with a Z Boson and Missing Transverse Momentum in pp Collisions at √s=8 TeV with the ATLAS Detectoren_US
dc.typeTexten_US
dc.type.genreArticleen_US

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Izen, Joseph M.
Lou, Xinchou
NSM Staff-Student Research