Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run-1 data. / The ATLAS Collaboration.

In: European Physical Journal C: Particles and Fields, Vol. 76, 666, 12.2016, p. 1-42.

Research output: Contribution to journalArticle

Published

Standard

Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run-1 data. / The ATLAS Collaboration.

In: European Physical Journal C: Particles and Fields, Vol. 76, 666, 12.2016, p. 1-42.

Research output: Contribution to journalArticle

Harvard

The ATLAS Collaboration 2016, 'Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run-1 data', European Physical Journal C: Particles and Fields, vol. 76, 666, pp. 1-42. https://doi.org/10.1140/epjc/s10052-016-4507-9

APA

The ATLAS Collaboration (2016). Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run-1 data. European Physical Journal C: Particles and Fields, 76, 1-42. [666]. https://doi.org/10.1140/epjc/s10052-016-4507-9

Vancouver

The ATLAS Collaboration. Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run-1 data. European Physical Journal C: Particles and Fields. 2016 Dec;76:1-42. 666. https://doi.org/10.1140/epjc/s10052-016-4507-9

Author

The ATLAS Collaboration. / Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run-1 data. In: European Physical Journal C: Particles and Fields. 2016 ; Vol. 76. pp. 1-42.

BibTeX

@article{6617580de5dc4e37a500c52a7a4ea06d,
title = "Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run-1 data",
abstract = "The algorithms used by the ATLAS Collaboration to reconstruct and identify prompt photons are described. Measurements of the photon identification efficiencies are reported, using 4.9 fb−1 of pp collision data collected at the LHC at √s=7 TeV and 20.3 fb−1 at √s=8 TeV. The efficiencies are measured separately for converted and unconverted photons, in four different pseudorapidity regions, for transverse momenta between 10 GeV and 1.5 TeV. The results from the combination of three data-driven techniques are compared to the predictions from a simulation of the detector response, after correcting the electromagnetic shower momenta in the simulation for the average differences observed with respect to data. Data-to-simulation efficiency ratios used as correction factors in physics measurements are determined to account for the small residual efficiency differences. These factors are measured with uncertainties between 0.5% and 10% in 7 TeV data and between 0.5% and 5.6% in 8 TeV data, depending on the photon transverse momentum and pseudorapidity.",
author = "{The ATLAS Collaboration}",
year = "2016",
month = dec,
doi = "10.1140/epjc/s10052-016-4507-9",
language = "English",
volume = "76",
pages = "1--42",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "Springer New York",

}

RIS

TY - JOUR

T1 - Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run-1 data

AU - The ATLAS Collaboration

PY - 2016/12

Y1 - 2016/12

N2 - The algorithms used by the ATLAS Collaboration to reconstruct and identify prompt photons are described. Measurements of the photon identification efficiencies are reported, using 4.9 fb−1 of pp collision data collected at the LHC at √s=7 TeV and 20.3 fb−1 at √s=8 TeV. The efficiencies are measured separately for converted and unconverted photons, in four different pseudorapidity regions, for transverse momenta between 10 GeV and 1.5 TeV. The results from the combination of three data-driven techniques are compared to the predictions from a simulation of the detector response, after correcting the electromagnetic shower momenta in the simulation for the average differences observed with respect to data. Data-to-simulation efficiency ratios used as correction factors in physics measurements are determined to account for the small residual efficiency differences. These factors are measured with uncertainties between 0.5% and 10% in 7 TeV data and between 0.5% and 5.6% in 8 TeV data, depending on the photon transverse momentum and pseudorapidity.

AB - The algorithms used by the ATLAS Collaboration to reconstruct and identify prompt photons are described. Measurements of the photon identification efficiencies are reported, using 4.9 fb−1 of pp collision data collected at the LHC at √s=7 TeV and 20.3 fb−1 at √s=8 TeV. The efficiencies are measured separately for converted and unconverted photons, in four different pseudorapidity regions, for transverse momenta between 10 GeV and 1.5 TeV. The results from the combination of three data-driven techniques are compared to the predictions from a simulation of the detector response, after correcting the electromagnetic shower momenta in the simulation for the average differences observed with respect to data. Data-to-simulation efficiency ratios used as correction factors in physics measurements are determined to account for the small residual efficiency differences. These factors are measured with uncertainties between 0.5% and 10% in 7 TeV data and between 0.5% and 5.6% in 8 TeV data, depending on the photon transverse momentum and pseudorapidity.

U2 - 10.1140/epjc/s10052-016-4507-9

DO - 10.1140/epjc/s10052-016-4507-9

M3 - Article

VL - 76

SP - 1

EP - 42

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

M1 - 666

ER -