Measurement of the inclusive isolated-photon production cross section in pp collisions at √s = 13 TeV
The production cross section of inclusive isolated photons has been measured by the ALICE experiment at the CERN LHC in pp collisions at centre-of-momentum energy of √s = 13 TeV collected during the LHC Run 2 data-taking period. The measurement is performed by combining the measurements of the elect...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
28 January 2025
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| In: |
The European physical journal. C, Particles and fields
Year: 2025, Jahrgang: 85, Pages: 1-24 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-024-13506-x |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1140/epjc/s10052-024-13506-x
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| Verfasserangaben: | ALICE Collaboration* |
MARC
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| 245 | 1 | 0 | |a Measurement of the inclusive isolated-photon production cross section in pp collisions at √s = 13 TeV |c ALICE Collaboration* |
| 246 | 3 | 0 | |a sqrt |
| 246 | 3 | 3 | |a Measurement of the inclusive isolated-photon production cross section in proton-proton collisions at square root s = 13 TeV |
| 264 | 1 | |c 28 January 2025 | |
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| 500 | |a Veröffentlicht: 28. Januar 2025 | ||
| 500 | |a *ALICE Collaboration: S. Acharya, V. Anguelov, A. Berdnikova, L. Bergmann, A.G. Borquez Carcamo, M.C. Danisch, V.J.G. Feuillard, I. Fokin, P. Glässel, N.A. Grunwald, A. Nath, Y. Pachmayer, K. Reygers, R. Schicker, F. Schlepper, J.J. Seo, G. Skorodumovs, J. Stachel, S.F. Stiefelmaier, C.A. van Veen, B. Windelband, A. Yuncu, F. Zanone, B. Zhang [und sehr viele weitere Personen] | ||
| 500 | |a Im Titel steht der Buchstabe "s" unter dem Wurzelsymbol | ||
| 500 | |a Gesehen am 25.09.2025 | ||
| 520 | |a The production cross section of inclusive isolated photons has been measured by the ALICE experiment at the CERN LHC in pp collisions at centre-of-momentum energy of √s = 13 TeV collected during the LHC Run 2 data-taking period. The measurement is performed by combining the measurements of the electromagnetic calorimeter EMCal and the central tracking detectors ITS and TPC, covering a pseudorapidity range of |ηγ | < 0.67 and a transverse momentum range of 7 < pγT < 200 GeV/c. The result extends to lower pγT and xγT = 2pγT / √ s ranges, the lowest xγT of any isolated photon measurements to date, extending significantly those measured by the ATLAS and CMS experiments towards lower pγT at the same collision energy with a small overlap between the measurements. The measurement is compared with next-to-leading order perturbative QCD calculations and the results from the ATLAS and CMS experiments as well as with measurements at other collision energies. The measurement and theory prediction are in agreement with each other within the experimental and theoretical uncertainties. | ||
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