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Measurement of the production cross section of an isolated photon associated with jets in proton-proton collisions at s√=7 TeV with the ATLAS detector

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Measurement of the production cross section of an isolated photon associated with jets in proton-proton collisions at s√=7 TeV with the ATLAS detector

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dc.contributor.author	ATLAS Collaboration
dc.contributor.author	Mitsou, Vasiliki
dc.contributor.author	Fuster Verdú, Juan A.
dc.contributor.author	Ferrer Soria, Antonio
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Cabrera Urbán, Susana
dc.contributor.author	García García, Carmen
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Martí García, Salvador
dc.contributor.author	Ros Martínez, Eduardo
dc.contributor.author	González de la Hoz, Santiago
dc.contributor.author	Salt Cairols, José
dc.contributor.author	Valls Ferrer, Juan Antonio
dc.contributor.author	Kaci, Mohammed
dc.contributor.author	Fiorini, Luca
dc.contributor.author	Hernández Jiménez, Yesenia
dc.contributor.author	Lacasta Llácer, Carlos
dc.contributor.author	Villaplana Pérez, Miguel
dc.date.accessioned	2014-07-01T09:49:30Z
dc.date.available	2014-07-01T09:49:30Z
dc.date.issued	2012
dc.identifier.citation	ATLAS Collaboration Mitsou, Vasiliki Fuster Verdú, Juan A. Ferrer Soria, Antonio Castillo Giménez, María Victoria Cabrera Urbán, Susana García García, Carmen Higón Rodríguez, Emilio Martí García, Salvador Ros Martínez, Eduardo González de la Hoz, Santiago Salt Cairols, José Valls Ferrer, Juan Antonio Kaci, Mohammed Fiorini, Luca Hernández Jiménez, Yesenia Lacasta Llácer, Carlos Villaplana Pérez, Miguel 2012 Measurement of the production cross section of an isolated photon associated with jets in proton-proton collisions at s√=7 TeV with the ATLAS detector Physical Review D 85 09-092014 1 30
dc.identifier.uri	http://hdl.handle.net/10550/36745
dc.description.abstract	A measurement of the cross section for the production of an isolated photon in association with jets in proton-proton collisions at a center-of-mass energy root s = 7 TeV is presented. Photons are reconstructed in the pseudorapidity range vertical bar eta(gamma)vertical bar < 1.37 and with a transverse energy E-T(gamma) > 25 GeV. Jets are reconstructed in the rapidity range vertical bar y(jet)vertical bar < 4.4 and with a transverse momentum p(T)(jet) > 20 GeV. The differential cross section d sigma/dE(T)(gamma) is measured, as a function of the photon transverse energy, for three different rapidity ranges of the leading-p(T) jet: vertical bar y(jet)vertical bar < 1.2, 1.2 <= vertical bar y(jet)vertical bar < 2.8 and 2.8 <= vertical bar y(jet)vertical bar < 4.4. For each rapidity configuration the same-sign (eta(gamma)y(jet) >= 0) and opposite-sign (eta(gamma) y(jet) < 0) cases are studied separately. The results are based on an integrated luminosity of 37 pb(-1), collected with the ATLAS detector at the LHC. Next-to-leading order perturbative QCD calculations are found to be in fair agreement with the data, except for E-T(gamma) <= 45 GeV, where the theoretical predictions overestimate the measured cross sections.
dc.relation.ispartof	Physical Review D, 2012, vol. 85, num. 09-092014, p. 1-30
dc.subject	Partícules (Física nuclear)
dc.subject	Col·lisions (Física nuclear)
dc.subject	Detectors de radiació
dc.title	Measurement of the production cross section of an isolated photon associated with jets in proton-proton collisions at s√=7 TeV with the ATLAS detector
dc.type	journal article	es_ES
dc.date.updated	2014-07-01T09:49:30Z
dc.identifier.doi	10.1103/PhysRevD.85.092014
dc.identifier.idgrec	083428
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1103/PhysRevD.85.092014