A light-emitting diode monitoring system of the PHOS photon spectrometer in the ALICE experiment on the large hadron collider

Bogolyubskii, M.Y.; Паталаха, Д. И.; Petrov, V.; Polishchuk, Boris; Соловьев, А. С.; Sadovskii, S. A.; Senko, V.A.; Kharlov, Y.

doi:10.1134/s0020441211060236

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Jinst 14 P050251

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2019

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“…The temperature of the PbWO 4 crystals is stabilized with a precision of 0. Every channel in the PHOS detector is monitored with an LED system that is driven by stable current injectors [16]. The system consists of LED matrices for each PHOS module, having one LED per PHOS cell with controlled light amplitude and flashing rate.…”

Section: Jinst 14 P05025mentioning

confidence: 99%

Calibration of the photon spectrometer PHOS of the ALICE experiment

et al. 2019

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Section: Jinst 14 P05025mentioning

confidence: 99%

Calibration of the photon spectrometer PHOS of the ALICE experiment

et al. 2019

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Calibration of the ALICE PHOS calorimeter

Blau¹

2019

J. Phys.: Conf. Ser.

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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 estimate the geometrical alignment and the corresponding correction of the absolute energy scale, to evaluate the non-linearity 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 widths of π0 and η meson peaks at p T > 1.7 GeV/c σ π 0 = 4.51 ± 0.03 MeV/c2 and ση = 15.3 ± 1.0 MeV/c2, respectively, were achieved.

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A light-emitting diode monitoring system of the PHOS photon spectrometer in the ALICE experiment on the large hadron collider

Cited by 2 publications

References 8 publications

Calibration of the photon spectrometer PHOS of the ALICE experiment

Calibration of the photon spectrometer PHOS of the ALICE experiment

Calibration of the ALICE PHOS calorimeter

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