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Search for Scalar Diphoton Resonances in the Mass Range $65-600$ GeV with the ATLAS Detector in $pp$ Collision Data at $\sqrt{s}$ = 8 $TeV$

dc.contributor.authorATLAS collaboration (2788 authors)
dc.contributor.authorAguilar-Saavedra, Juan Antonio
dc.contributor.authorAmor Dos Santos, Susana Patricia
dc.contributor.authorAnjos, Nuno
dc.contributor.authorAraque, Juan Pedro
dc.contributor.authorCantrill, Robert
dc.contributor.authorCastro, Nuno Filipe
dc.contributor.authorConde Muiño, Patricia
dc.contributor.authorDa Cunha Sargedas De Sousa, Mario Jose
dc.contributor.authorFiolhais, Miguel
dc.contributor.authorGalhardo, Bruno
dc.contributor.authorGomes, Agostinho
dc.contributor.authorGonçalo, Ricardo
dc.contributor.authorJorge, Pedro
dc.contributor.authorLopes, Lourenco
dc.contributor.authorMachado Miguens, Joana
dc.contributor.authorMaio, Amélia
dc.contributor.authorManeira, José
dc.contributor.authorOnofre, António
dc.contributor.authorPalma, Alberto
dc.contributor.authorPedro, Rute
dc.contributor.authorPinto, Belmiro
dc.contributor.authorSantos, Helena
dc.contributor.authorSaraiva, João
dc.contributor.authorSilva, José
dc.contributor.authorTavares Delgado, Ademar
dc.contributor.authorVeloso, Filipe
dc.contributor.authorWolters, Helmut
dc.date.accessioned2019-02-04T04:28:08Z
dc.date.available2019-02-04T04:28:08Z
dc.date.issued2014-10-20
dc.date.updated2019-02-04T04:28:08Z
dc.description.abstractA search for scalar particles decaying via narrow resonances into two photons in the mass range $65-600$ GeV is performed using 20.3 fb$^{-1}$ of $\sqrt{s}$ = 8 TeV $pp$ collision data collected with the ATLAS detector at the Large Hadron Collider. The recently discovered Higgs boson is treated as a background. No significant evidence for an additional signal is observed. The results are presented as limits at the 95 % confidence level on the production cross-section of a scalar boson times branching ratio into two photons, in a fiducial volume where the reconstruction efficiency is approximately independent of the event topology. The upper limits set extend over a considerably wider mass range than previous searches.
dc.description.versionPeer Reviewed
dc.identifierPhys.Rev.Lett. 113 (2014) 171801; DOI 10.1103/PhysRevLett.113.171801
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevLett.113.171801
dc.identifier.urihttp://hdl.handle.net/10400.26/26653
dc.language.isoeng
dc.titleSearch for Scalar Diphoton Resonances in the Mass Range $65-600$ GeV with the ATLAS Detector in $pp$ Collision Data at $\sqrt{s}$ = 8 $TeV$
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspt
rcaap.typearticle

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