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Calibration of the photon spectrometer PHOS of the ALICE experiment

Acharya, S.
•
Acosta, F. T. -.
•
Adamová, D.
altro
Zurlo, N.
2019
  • journal article

Periodico
JOURNAL OF INSTRUMENTATION
Abstract
The procedure for the energy calibration of the high granularity electromagnetic calorimeter PHOS of the ALICE experiment is presented. The methods used to perform the relative gain calibration, to evaluate the geometrical alignment and the corresponding correction of the absolute energy scale, to obtain the nonlinearity correction coefficients and finally, to calculate the time-dependent calibration corrections, are discussed and illustrated by the PHOS performance in proton-proton (pp) collisions at √s = 13 TeV. After applying all corrections, the achieved mass resolutions for π0 and η mesons for p > 1.7 GeV/c are σπ0 = 4.56 ± 0.03 MeV/c2 and σmη =15.3±1.0MeV/c2, respectively.
DOI
10.1088/1748-0221/14/05/P05025
WOS
WOS:000470055100003
Archivio
http://hdl.handle.net/11368/2944486
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85069544861
https://iopscience.iop.org/article/10.1088/1748-0221/14/05/P05025
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/4.0/
FVG url
https://arts.units.it/bitstream/11368/2944486/1/JINST_14(2019)P05025_1-29.pdf
Soggetti
  • Calorimeter

  • Detector alignment an...

Scopus© citazioni
4
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
5
Data di acquisizione
Mar 27, 2024
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