Measurement of the Electroweak Production of Dijets in Association with a Z-Boson and Distributions Sensitive to Vector Boson Fusion in Proton-Proton Collisions at √s=8 TeV using 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.authorLeyton, Michaelen_US
dc.contributor.authorLou, Xinchouen_US
dc.contributor.authorNamasivayam, Harisankaren_US
dc.contributor.authorReeves, Kendallen_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.accessioned2014-09-04T19:08:07Z
dc.date.available2014-09-04T19:08:07Z
dc.date.created2014-04-07en_US
dc.date.issued2014-04-07en_US
dc.date.submitted2014-01-30en_US
dc.description.abstractMeasurements of fiducial cross sections for the electroweak production of two jets in association with a Z-boson are presented. The measurements are performed using 20.3 fb⁻¹ of proton-proton collision data collected at a centre-of-mass energy of √s= 8 TeV by the ATLAS experiment at the Large Hadron Collider. The electroweak component is extracted by a fit to the dijet invariant mass distribution in a fiducial region chosen to enhance the electroweak contribution over the dominant background in which the jets are produced via the strong interaction. The electroweak cross sections measured in two fiducial regions are in good agreement with the Standard Model expectations and the background-only hypothesis is rejected with significance above the 5σ level. The electroweak process includes the vector boson fusion production of a Z-boson and the data are used to place limits on anomalous triple gauge boson couplings. In addition, measurements of cross sections and differential distributions for inclusive Z-boson-plus-dijet production are performed in five fiducial regions, each with different sensitivity to the electroweak contribution. The results are corrected for detector effects and compared to predictions from the Sherpa and Powheg event generators.en_US
dc.identifier.bibliographicCitationAad, G., T. Abajyan, B. Abbott, J. Abdallah, et al. 2014. "Measurement of the electroweak production of dijets in association with a Z-boson and distributions sensitive to vector boson fusion in proton-proton collisions at √s=8 TeV using the ATLAS detector." Journal of High Energy Physics 2014(4), doi:10.1007/JHEP04(2014)031en_US
dc.identifier.issn1029-8479en_US
dc.identifier.issue4en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/3955
dc.identifier.volume2014en_US
dc.language.isoen_USen_US
dc.publisherSpringeren_US
dc.relation.urihttp://dx.doi.org/10.1007/JHEP04(2014)031
dc.rightsCC BY 4.0 (Attribution)en_US
dc.rights©2014 CERN, for the ATLAS Collaborationen_US
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_US
dc.sourceJournal of High Energy Physics
dc.subjectElectroweak interactionsen_US
dc.subjectSherpa eventsen_US
dc.subjectPowheg eventsen_US
dc.subjectJets (Nuclear physics)en_US
dc.subjectZ bosonsen_US
dc.titleMeasurement of the Electroweak Production of Dijets in Association with a Z-Boson and Distributions Sensitive to Vector Boson Fusion in Proton-Proton Collisions at √s=8 TeV using the ATLAS Detectoren_US
dc.typeTexten_US
dc.type.genreArticleen_US

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