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

ALICE Collaboration

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Variable Energy Cyclotron Centre India
Czech Academy of Sciences
Goethe University Frankfurt
Lund University
Panjab University
Polytechnic University of Turin
Enrico Fermi Center
Indian Institute of Technology Bombay
National Institute for Nuclear Physics
Aligarh Muslim University
Korea Institute of Science and Technology Information
Russian Research Centre Kurchatov Institute
GSI Helmholtz Centre for Heavy Ion Research
Universidade Estadual de Campinas
Central China Normal University
Universidad Nacional Autónoma de México
COMSATS University Islamabad
NASU - Bogolyubov Institute for Theoretical Physics
University of Bergen
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Horia Hulubei National Institute of Physics and Nuclear Engineering
University of Birmingham
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Creighton University
Ruder Boskovic Institute
University of Houston
Lawrence Berkeley National Laboratory
Nantes Université
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18 Scopus citations

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.

Original language	English
Article number	896
Journal	European Physical Journal C
Volume	79
Issue number	11
DOIs	https://doi.org/10.1140/epjc/s10052-019-7389-9
State	Published - 2019.11.1

Quacquarelli Symonds(QS) Subject Topics

Physics & Astronomy

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10.1140/epjc/s10052-019-7389-9

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@article{600179d3c2f9498a85d2974e7a36e9ef,

title = "Measurement of the inclusive isolated photon production cross section in pp collisions at √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 = "\{ALICE Collaboration\} and S. Acharya and D. Adamov{\'a} and Adhya, \{S. P.\} and A. Adler and J. Adolfsson and Aggarwal, \{M. M.\} and \{Aglieri Rinella\}, G. and M. Agnello and N. Agrawal and Z. Ahammed and S. Ahmad and Ahn, \{S. U.\} and A. Akindinov and M. Al-Turany and Alam, \{S. N.\} and Albuquerque, \{D. S.D.\} and D. Aleksandrov and B. Alessandro and Alfanda, \{H. M.\} and \{Alfaro Molina\}, R. and B. Ali and Y. Ali and A. Alici and A. Alkin and J. Alme and T. Alt and L. Altenkamper and I. Altsybeev and Anaam, \{M. N.\} and C. Andrei and D. Andreou and Andrews, \{H. A.\} and A. Andronic and M. Angeletti and V. Anguelov and C. Anson and T. Anti{\v c}i{\'c} and F. Antinori and P. Antonioli and R. Anwar and N. Apadula and L. Aphecetche and H. Appelsh{\"a}user and S. Arcelli and R. Arnaldi and M. Arratia and Arsene, \{I. C.\} and M. Arslandok and A. Augustinus and Kim, \{E. J.\}",

note = "Publisher Copyright: {\textcopyright} 2019, CERN for the benefit of the ALICE collaboration.",

year = "2019",

month = nov,

day = "1",

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

language = "English",

volume = "79",

journal = "European Physical Journal C",

issn = "1434-6044",

number = "11",

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TY - JOUR

T1 - Measurement of the inclusive isolated photon production cross section in pp collisions at √s=7 TeV

AU - ALICE Collaboration

AU - Acharya, S.

AU - Adamová, D.

AU - Adhya, S. P.

AU - Adler, A.

AU - Adolfsson, J.

AU - Aggarwal, M. M.

AU - Aglieri Rinella, G.

AU - Agnello, M.

AU - Agrawal, N.

AU - Ahammed, Z.

AU - Ahmad, S.

AU - Ahn, S. U.

AU - Akindinov, A.

AU - Al-Turany, M.

AU - Alam, S. N.

AU - Albuquerque, D. S.D.

AU - Aleksandrov, D.

AU - Alessandro, B.

AU - Alfanda, H. M.

AU - Alfaro Molina, R.

AU - Ali, B.

AU - Ali, Y.

AU - Alici, A.

AU - Alkin, A.

AU - Alme, J.

AU - Alt, T.

AU - Altenkamper, L.

AU - Altsybeev, I.

AU - Anaam, M. N.

AU - Andrei, C.

AU - Andreou, D.

AU - Andrews, H. A.

AU - Andronic, A.

AU - Angeletti, M.

AU - Anguelov, V.

AU - Anson, C.

AU - Antičić, T.

AU - Antinori, F.

AU - Antonioli, P.

AU - Anwar, R.

AU - Apadula, N.

AU - Aphecetche, L.

AU - Appelshäuser, H.

AU - Arcelli, S.

AU - Arnaldi, R.

AU - Arratia, M.

AU - Arsene, I. C.

AU - Arslandok, M.

AU - Augustinus, A.

AU - Kim, E. J.

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.

UR - https://www.scopus.com/pages/publications/85074894310

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

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

M3 - Journal article

AN - SCOPUS:85074894310

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 √s=7 TeV

Abstract

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