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Measurement of the isolated di-photon cross-section in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector

2011-07Journal article Open access
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dc.contributor.authorATLAS collaboration (3034 authors)
dc.contributor.authorAguilar-Saavedra, Juan Antonio
dc.contributor.authorAmaral, Pedro
dc.contributor.authorAnjos, Nuno
dc.contributor.authorCarvalho, Joao
dc.contributor.authorCastro, Nuno Filipe
dc.contributor.authorConde Muino, Patricia
dc.contributor.authorDo Valle Wemans, Andre
dc.contributor.authorFiolhais, Miguel
dc.contributor.authorGomes, Agostinho
dc.contributor.authorGoncalo, Ricardo
dc.contributor.authorJorge, Pedro
dc.contributor.authorLopes, Lourenco
dc.contributor.authorMachado Miguens, Joana
dc.contributor.authorMagalhaes Martins, Paulo Jorge
dc.contributor.authorMaio, Amelia
dc.contributor.authorManeira, Jose
dc.contributor.authorMorais, Antonio
dc.contributor.authorOliveira, Miguel Alfonso
dc.contributor.authorOnofre, Antonio
dc.contributor.authorPalma, Alberto
dc.contributor.authorPina, Joao Antonio
dc.contributor.authorPinto, Belmiro
dc.contributor.authorSantos, Helena
dc.contributor.authorSaraiva, Joao
dc.contributor.authorSilva, Jose
dc.contributor.authorSoares, Mara
dc.contributor.authorVeloso, Filipe
dc.contributor.authorWolters, Helmut
dc.date.accessioned2019-02-03T17:56:39Z
dc.date.available2019-02-03T17:56:39Z
dc.date.issued2011-07
dc.date.updated2019-02-03T17:56:39Z
dc.description.abstractThe ATLAS experiment has measured the production cross-section of events with two isolated photons in the final state, in proton-proton collisions at sqrt(s) = 7 TeV. The full data set acquired in 2010 is used, corresponding to an integrated luminosity of 37 pb^-1. The background, consisting of hadronic jets and isolated electrons, is estimated with fully data-driven techniques and subtracted. The differential cross-sections, as functions of the di-photon mass, total transverse momentum and azimuthal separation, are presented and compared to the predictions of next-to-leading-order QCD.
dc.description.versionPeer Reviewed
dc.identifierPhys.Rev. D85 (2012) 012003; DOI 10.1103/PhysRevD.85.012003
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevD.85.012003
dc.identifier.urihttp://hdl.handle.net/10400.26/26025
dc.language.isoeng
dc.titleMeasurement of the isolated di-photon cross-section in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspt
rcaap.typearticle

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