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Measurement of the inclusive isolated prompt photon cross section in pp collisions at $ \sqrt{s}=8 $ TeV with the ATLAS detector

2016-08-01Journal article Open access
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dc.contributor.authorATLAS collaboration (2862 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.authorCarvalho, João
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.authorOleiro Seabra, Luis Filipe
dc.contributor.authorOnofre, António
dc.contributor.authorPalma, Alberto
dc.contributor.authorPedro, Rute
dc.contributor.authorPina, João Antonio
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.accessioned2019-02-04T09:56:55Z
dc.date.available2019-02-04T09:56:55Z
dc.date.issued2016-08-01
dc.date.updated2019-02-04T09:56:55Z
dc.description.abstractA measurement of the cross section for the inclusive production of isolated prompt photons in proton-proton collisions at a centre-of-mass energy of $ \sqrt{s}=8 $ TeV is presented. The measurement covers the pseudorapidity ranges |η$^{γ}$ | < 1.37 and 1.56 ≤ |η$^{γ}$ | < 2.37 in the transverse energy range 25 < E$_{T}^{γ}$  < 1500 GeV. The results are based on an integrated luminosity of 20.2 fb$^{−1}$, recorded by the ATLAS detector at the LHC. Photon candidates are identified by combining information from the calorimeters and the inner tracker. The background is subtracted using a data-driven technique, based on the observed calorimeter shower-shape variables and the deposition of hadronic energy in a narrow cone around the photon candidate. The measured cross sections are compared with leading-order and next-to-leading order perturbative QCD calculations and are found to be in a good agreement over ten orders of magnitude.
dc.description.versionPeer Reviewed
dc.identifierJHEP 1608 (2016) 005; DOI 10.1007/JHEP08(2016)005
dc.identifier.urihttp://dx.doi.org/10.1007/JHEP08(2016)005
dc.identifier.urihttp://hdl.handle.net/10400.26/27084
dc.language.isoeng
dc.titleMeasurement of the inclusive isolated prompt photon cross section in pp collisions at $ \sqrt{s}=8 $ TeV with the ATLAS detector
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspt
rcaap.typearticle

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