Measurement of the isolated diphoton cross-section in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector
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Measurement of the isolated diphoton cross-section in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

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Measurement of the isolated diphoton cross-section in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

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ATLAS Collaboration; Mitsou, Vasiliki; Fiorini, Luca; Ros Martínez, Eduardo; Fuster Verdú, Juan A. Perfil; García García, Carmen Perfil; Cabrera Urbán, Susana Perfil; Martí García, Salvador; Salt Cairols, José Perfil; Lacasta Llácer, Carlos; Valls Ferrer, Juan Antonio; Villaplana Pérez, Miguel; Castillo Giménez, María Victoria Perfil; Higón Rodríguez, Emilio Perfil; Ferrer Soria, Antonio Perfil; González de la Hoz, Santiago Perfil; Kaci, Mohammed; Hernández Jiménez, Yesenia
This document is a artículoDate2012

Este documento está disponible también en : http://dx.doi.org/10.1103/PhysRevD.85.012003
The ATLAS experiment has measured the production cross section of events with two isolated photons in the final state, in proton-proton collisions at root 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 (m(gamma gamma)), total transverse momentum (p(T),(gamma gamma)), and azimuthal separation (Delta phi(gamma gamma)), are presented and compared to the predictions of next-to-leading-order QCD.

    ATLAS Collaboration Mitsou, Vasiliki Fiorini, Luca Ros Martínez, Eduardo Fuster Verdú, Juan A. García García, Carmen Cabrera Urbán, Susana Martí García, Salvador Salt Cairols, José Lacasta Llácer, Carlos Valls Ferrer, Juan Antonio Villaplana Pérez, Miguel Castillo Giménez, María Victoria Higón Rodríguez, Emilio Ferrer Soria, Antonio González de la Hoz, Santiago Kaci, Mohammed Hernández Jiménez, Yesenia 2012 Measurement of the isolated diphoton cross-section in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector Physical Review D 85 01-012003 1 28
http://dx.doi.org/10.1103/PhysRevD.85.012003
distribuido bajo licencia Creative Commons de Reconocimiento-NoComercial 3.0 No adaptada

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