Measurement of the production cross section of three isolated photons in pp collisions at √s=8 TeV using the ATLAS detector

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https://doi.org/10.1016/j.physletb.2018.03.057
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Measurement of the production cross section of three isolated photons in pp collisions at √s=8 TeV using the ATLAS detector. / The ATLAS collaboration.
In: Physics Letters B, Vol. 781, 10.06.2018, p. 55-76.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Bibtex

@article{f7d8b64beb65417f828dd9d1c7b4870f,

title = "Measurement of the production cross section of three isolated photons in pp collisions at √s=8 TeV using the ATLAS detector",

abstract = "A measurement of the production of three isolated photons in proton–proton collisions at a centre-of-mass energy √s=8 TeV is reported. The results are based on an integrated luminosity of 20.2 fb−1 collected with the ATLAS detector at the LHC. The differential cross sections are measured as functions of the transverse energy of each photon, the difference in azimuthal angle and in pseudorapidity between pairs of photons, the invariant mass of pairs of photons, and the invariant mass of the triphoton system. A measurement of the inclusive ﬁducial cross section is also reported. Next-to-leading-order perturbative QCD predictions are compared to the cross-section measurements. The predictions underestimate the measurement of the inclusive ﬁducial cross section and the differential measurements at low photon transverse energies and invariant masses. They provide adequate descriptions of the measurements at high values of the photon transverse energies, invariant mass of pairs of photons, and invariant mass of the triphoton system.",

author = "Barton, {Adam Edward} and Michael Beattie and Bertram, {Iain Alexander} and Guennadi Borissov and Bouhova-Thacker, {Evelina Vassileva} and Harald Fox and Henderson, {Robert Charles William} and Jones, {Roger William Lewis} and Vakhtang Kartvelishvili and Long, {Robin Eamonn} and Love, {Peter Allan} and Muenstermann, {Daniel Matthias Alfred} and Parker, {Adam Jackson} and Malcolm Skinner and Maria Smizanska and Walder, {James William} and Wharton, {Andrew Mark} and Ben Whitmore and {The ATLAS collaboration}",

year = "2018",

month = jun,

day = "10",

doi = "10.1016/j.physletb.2018.03.057",

language = "English",

volume = "781",

pages = "55--76",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "ELSEVIER SCIENCE BV",

}

RIS

TY - JOUR

T1 - Measurement of the production cross section of three isolated photons in pp collisions at √s=8 TeV using the ATLAS detector

AU - Barton, Adam Edward

AU - Beattie, Michael

AU - Bertram, Iain Alexander

AU - Borissov, Guennadi

AU - Bouhova-Thacker, Evelina Vassileva

AU - Fox, Harald

AU - Henderson, Robert Charles William

AU - Jones, Roger William Lewis

AU - Kartvelishvili, Vakhtang

AU - Long, Robin Eamonn

AU - Love, Peter Allan

AU - Muenstermann, Daniel Matthias Alfred

AU - Parker, Adam Jackson

AU - Skinner, Malcolm

AU - Smizanska, Maria

AU - Walder, James William

AU - Wharton, Andrew Mark

AU - Whitmore, Ben

AU - The ATLAS collaboration

PY - 2018/6/10

Y1 - 2018/6/10

N2 - A measurement of the production of three isolated photons in proton–proton collisions at a centre-of-mass energy √s=8 TeV is reported. The results are based on an integrated luminosity of 20.2 fb−1 collected with the ATLAS detector at the LHC. The differential cross sections are measured as functions of the transverse energy of each photon, the difference in azimuthal angle and in pseudorapidity between pairs of photons, the invariant mass of pairs of photons, and the invariant mass of the triphoton system. A measurement of the inclusive ﬁducial cross section is also reported. Next-to-leading-order perturbative QCD predictions are compared to the cross-section measurements. The predictions underestimate the measurement of the inclusive ﬁducial cross section and the differential measurements at low photon transverse energies and invariant masses. They provide adequate descriptions of the measurements at high values of the photon transverse energies, invariant mass of pairs of photons, and invariant mass of the triphoton system.

AB - A measurement of the production of three isolated photons in proton–proton collisions at a centre-of-mass energy √s=8 TeV is reported. The results are based on an integrated luminosity of 20.2 fb−1 collected with the ATLAS detector at the LHC. The differential cross sections are measured as functions of the transverse energy of each photon, the difference in azimuthal angle and in pseudorapidity between pairs of photons, the invariant mass of pairs of photons, and the invariant mass of the triphoton system. A measurement of the inclusive ﬁducial cross section is also reported. Next-to-leading-order perturbative QCD predictions are compared to the cross-section measurements. The predictions underestimate the measurement of the inclusive ﬁducial cross section and the differential measurements at low photon transverse energies and invariant masses. They provide adequate descriptions of the measurements at high values of the photon transverse energies, invariant mass of pairs of photons, and invariant mass of the triphoton system.

U2 - 10.1016/j.physletb.2018.03.057

DO - 10.1016/j.physletb.2018.03.057

M3 - Journal article

VL - 781

SP - 55

EP - 76

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

ER -

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