Measurement of the inclusive isolated photon production cross section in pp collisions at root s=7 TeV

Alice Collaboration

doi:10.1140/epjc/s10052-019-7389-9

Measurement of the inclusive isolated photon production cross section in pp collisions at root s=7 TeV

Alice Collaboration

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Abstract

The production cross section of inclusive isolated photons has been measured by the ALICE experiment at the CERN LHC in pp collisions at a centre-of-momentum energy of s= 7 TeV. The measurement is performed with the electromagnetic calorimeter EMCal and the central tracking detectors, covering a range of | η| < 0.27 in pseudorapidity and a transverse momentum range of 10<pTγ<60GeV/c. The result extends the p_T coverage of previously published results of the ATLAS and CMS experiments at the same collision energy to smaller p_T. The measurement is compared to next-to-leading order perturbative QCD calculations and to the results from the ATLAS and CMS experiments. All measurements and theory predictions are in agreement with each other.

Originalsprog	Engelsk
Artikelnummer	896
Tidsskrift	European Physical Journal C
Vol/bind	79
Udgave nummer	11
Antal sider	20
ISSN	1434-6044
DOI	https://doi.org/10.1140/epjc/s10052-019-7389-9
Status	Udgivet - 1 nov. 2019

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10.1140/epjc/s10052-019-7389-9Licens: CC BY

Acharya2019_Article_MeasurementOfTheInclusiveIsolaForlagets udgivne version, 1,2 MB

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title = "Measurement of the inclusive isolated photon production cross section in pp collisions at root s=7 TeV",

abstract = "The production cross section of inclusive isolated photons has been measured by the ALICE experiment at the CERN LHC in pp collisions at a centre-of-momentum energy of s= 7 TeV. The measurement is performed with the electromagnetic calorimeter EMCal and the central tracking detectors, covering a range of | η| < 0.27 in pseudorapidity and a transverse momentum range of 10T coverage of previously published results of the ATLAS and CMS experiments at the same collision energy to smaller pT. The measurement is compared to next-to-leading order perturbative QCD calculations and to the results from the ATLAS and CMS experiments. All measurements and theory predictions are in agreement with each other.",

author = "S. Acharya and F. Torals-Acosta and J. Adam and D. Adamova and A. Adler and J Adolfsson and MM. Aggarwal and {Aglieri Rinella}, G. and Maria Agnello and N. Agrawal and Ian Bearden and Gaardh{\o}je, {Jens J{\o}rgen} and bsm989 bsm989 and Bourjau, {Christian Alexander} and Freja Thoresen and Nielsen, {B{\o}rge Svane} and You Zhou and Vytautas Vislavicius and Vojtech Pacik and rtc312 rtc312 and Katarina Gajdosova and {Alice Collaboration}",

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doi = "10.1140/epjc/s10052-019-7389-9",

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AU - Acharya, S.

AU - Torals-Acosta, F.

AU - Adam, J.

AU - Adamova, D.

AU - Adler, A.

AU - Adolfsson, J

AU - Aggarwal, MM.

AU - Aglieri Rinella, G.

AU - Agnello, Maria

AU - Agrawal, N.

AU - Bearden, Ian

AU - Gaardhøje, Jens Jørgen

AU - bsm989, bsm989

AU - Bourjau, Christian Alexander

AU - Thoresen, Freja

AU - Nielsen, Børge Svane

AU - Zhou, You

AU - Vislavicius, Vytautas

AU - Pacik, Vojtech

AU - rtc312, rtc312

AU - Gajdosova, Katarina

AU - Alice Collaboration

PY - 2019/11/1

Y1 - 2019/11/1

N2 - The production cross section of inclusive isolated photons has been measured by the ALICE experiment at the CERN LHC in pp collisions at a centre-of-momentum energy of s= 7 TeV. The measurement is performed with the electromagnetic calorimeter EMCal and the central tracking detectors, covering a range of | η| < 0.27 in pseudorapidity and a transverse momentum range of 10T coverage of previously published results of the ATLAS and CMS experiments at the same collision energy to smaller pT. The measurement is compared to next-to-leading order perturbative QCD calculations and to the results from the ATLAS and CMS experiments. All measurements and theory predictions are in agreement with each other.

AB - The production cross section of inclusive isolated photons has been measured by the ALICE experiment at the CERN LHC in pp collisions at a centre-of-momentum energy of s= 7 TeV. The measurement is performed with the electromagnetic calorimeter EMCal and the central tracking detectors, covering a range of | η| < 0.27 in pseudorapidity and a transverse momentum range of 10T coverage of previously published results of the ATLAS and CMS experiments at the same collision energy to smaller pT. The measurement is compared to next-to-leading order perturbative QCD calculations and to the results from the ATLAS and CMS experiments. All measurements and theory predictions are in agreement with each other.

U2 - 10.1140/epjc/s10052-019-7389-9

DO - 10.1140/epjc/s10052-019-7389-9

M3 - Journal article

SN - 1434-6044

VL - 79

JO - European Physical Journal C

JF - European Physical Journal C

IS - 11

M1 - 896

ER -

Measurement of the inclusive isolated photon production cross section in pp collisions at root s=7 TeV

Abstract

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