Measurement of the inclusive isolated photon production cross section in pp collisions at √s = 7 TeV
Acharya, S.; Adamová, D.; Adhya, S. P.; Adler, A.; Adolfsson, J.; Aggarwal, M. M.; Aglieri Rinella, G.; Agnello, M.; Agrawal, N.; Ahammed, Z.; Ahmad, S.; Ahn, S. U.; Akindinov, A.; Al-Turany, M.; Alam, S. N.; Albuquerque, D. S.D.; Aleksandrov, D.; Alessandro, B.; Alfanda, H. M.; Alfaro Molina, R.; Ali, B.; Ali, Y.; Alici, A.; Alkin, A.; Alme, J.; Alt, T.; Altenkamper, L.; Bedda, C.; Caffarri, D.; Christakoglou, P.; Grelli, A.; Jaelani, S.; Khabanova, Z.; Kuijer, P. G.; Lodato, D. F.; Margutti, J.; Mischke, A.; Mohanty, A. P.; Nooren, G.; Peitzmann, T.; Sas, M. H.P.; Simatovic, G.; Snellings, R. J.M.; Trzeciak, B. A.; van der Kolk, N.; van Doremalen, L. V.R.; van Leeuwen, M.; Veen, A. M.; Vermunt, L.; Yokoyama, H.; Correia Zanoli, H.J.
(2019) European Physical Journal C, volume 79, issue 11
(Article)
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
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pseudorapidity and a transverse momentum range of 10 < pγT < 60 GeV/c . The result extends the pT 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.
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Keywords: Engineering (miscellaneous), Physics and Astronomy (miscellaneous)
ISSN: 1434-6044
(Peer reviewed)
