Search for contact interactions and large extra dimensions in the dilepton channel using proton–proton collisions at √s = 8TeV with the ATLAS detector

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dc.contributor.authorATLAS Collaboration,
dc.contributor.authorAad, G.
dc.date.issued2014
dc.description.abstractA search is conducted for non-resonant new phenomena in dielectron and dimuon final states, originating from either contact interactions or large extra spatial dimensions. The LHC 2012 proton–proton collision dataset recorded by the ATLAS detector is used, corresponding to 20 fb−1 at s√ = 8 TeV. The dilepton invariant mass spectrum is a discriminating variable in both searches, with the contact interaction search additionally utilizing the dilepton forward-backward asymmetry. No significant deviations from the Standard Model expectation are observed. Lower limits are set on the ℓℓqq contact interaction scale Λ between 15.4 TeV and 26.3 TeV, at the 95 % credibility level. For large extra spatial dimensions, lower limits are set on the string scale MS between 3.2 TeV to 5.0 TeV.
dc.description.statementofresponsibilityG. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni ... M. White ... et al. (ATLAS Collaboration)
dc.identifier.citationEuropean Physical Journal C, 2014; 74(12):3134-1-3134-25
dc.identifier.doi10.1140/epjc/s10052-014-3134-6
dc.identifier.issn1434-6052
dc.identifier.issn1434-6052
dc.identifier.urihttp://hdl.handle.net/2440/102275
dc.language.isoen
dc.publisherSpringer Verlag
dc.rights© CERN for the benefit of the ATLAS collaboration 2014 This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. Funded by SCOAP3 / License Version CC BY 4.0.
dc.source.urihttps://doi.org/10.1140/epjc/s10052-014-3134-6
dc.subjectATLAS Collaboration
dc.titleSearch for contact interactions and large extra dimensions in the dilepton channel using proton–proton collisions at √s = 8TeV with the ATLAS detector
dc.title.alternativeSearch for contact interactions and large extra dimensions in the dilepton channel using proton-proton collisions at root s = 8TeV with the ATLAS detector
dc.typeJournal article
pubs.publication-statusPublished

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