Measurement of isolated-photon pair production in p p collisions at s = 7 TeV with the ATLAS detector

Aad, Georges

doi:10.17182/hepdata.62320

Title: Measurement of isolated-photon pair production in $p p$ collisions at $\sqrt{s} = 7$ TeV with the ATLAS detector

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Abstract

CERN-LHC. Measurement of the production cross section of events with two isolated photons in the final state, in proton-proton collisions at sqrt(s) = 7 TeV, by the ATLAS experiment at the LHC. The full data set collected in 2011, corresponding to an integrated luminosity of 4.9 fb^-1, is used. The amount of background, from hadronic jets and isolated electrons, is estimated with data-driven techniques and subtracted. The total cross section, for two isolated photons with transverse energies above 25 GeV and 22 GeV respectively, in the acceptance of the electromagnetic calorimeter (|eta| < 1.37 and 1.52 < |eta| < 2.37) and with an angular separation Delta(R) > 0.4, is 44.0 +3.2,-4.2 pb. The differential cross sections as a function of the di-photon invariant mass, transverse momentum, azimuthal separation, and cosine of the polar angle of the largest transverse energy photon in the Collins-Soper di-photon rest frame are also measured.

Authors:

Aad, Georges

OSTI

Publication Date:: Thu Nov 01 04:00:00 UTC 2012

Research Org.:: USDOE Office of Science (SC) (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP)

Collaborations:: The ATLAS collaboration; The ATLAS collaboration

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

OSTI Identifier:: 1892059

DOI:: https://doi.org/10.17182/hepdata.62320

Citation Formats


                    Aad, Georges. Measurement of isolated-photon pair production in p p collisions at s = 7 TeV with the ATLAS detector.  United States: N. p., 2012. 
        Web.  doi:10.17182/hepdata.62320.

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                    Aad, Georges. Measurement of isolated-photon pair production in p p collisions at s = 7 TeV with the ATLAS detector.  United States.  doi:https://doi.org/10.17182/hepdata.62320

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                    Aad, Georges. 2012.  
"Measurement of isolated-photon pair production in p p collisions at s = 7 TeV with the ATLAS detector".  United States.  doi:https://doi.org/10.17182/hepdata.62320.  https://www.osti.gov/servlets/purl/1892059. Pub date:Thu Nov 01 04:00:00 UTC 2012

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@article{osti_1892059,

  title        = {Measurement of isolated-photon pair production in p p collisions at s = 7 TeV with the ATLAS detector},

  author       = {Aad, Georges},

  abstractNote = {CERN-LHC. Measurement of the production cross section of events with two isolated photons in the final state, in proton-proton collisions at sqrt(s) = 7 TeV, by the ATLAS experiment at the LHC. The full data set collected in 2011, corresponding to an integrated luminosity of 4.9 fb^-1, is used. The amount of background, from hadronic jets and isolated electrons, is estimated with data-driven techniques and subtracted. The total cross section, for two isolated photons with transverse energies above 25 GeV and 22 GeV respectively, in the acceptance of the electromagnetic calorimeter (|eta| < 1.37 and 1.52 < |eta| < 2.37) and with an angular separation Delta(R) > 0.4, is 44.0 +3.2,-4.2 pb. The differential cross sections as a function of the di-photon invariant mass, transverse momentum, azimuthal separation, and cosine of the polar angle of the largest transverse energy photon in the Collins-Soper di-photon rest frame are also measured.},

  doi          = {10.17182/hepdata.62320},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Nov 01 04:00:00 UTC 2012},

  month        = {Thu Nov 01 04:00:00 UTC 2012}

}

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DOI: https://doi.org/10.17182/hepdata.62320

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Title: Measurement of isolated-photon pair production in p p collisions at s = 7 TeV with the ATLAS detector

Abstract

Citation Formats

Title: Measurement of isolated-photon pair production in $p p$ collisions at $\sqrt{s} = 7$ TeV with the ATLAS detector