Repozitorij Univerze v Novi Gorici

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Naslov:Automated procedures for the Fluorescence Detector calibration at the Pierre Auger Observatory
Avtorji:Salina, Gaetano (Avtor)
Filipčič, Andrej (Avtor)
Kukec Mezek, Gašper (Avtor)
Saleh, Ahmed (Avtor)
Stanič, Samo (Avtor)
Trini, Marta (Avtor)
Veberič, Darko (Avtor)
Vorobiov, Serguei (Avtor)
Yang, Lili (Avtor)
Zavrtanik, Danilo (Avtor)
Zavrtanik, Marko (Avtor)
et al.
Datoteke:.pdf ICRC2015_594.pdf (1,06 MB)
 
Jezik:Slovenski jezik
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija:UNG - Univerza v Novi Gorici
Opis:The quality of the physics results, derived from the analysis of the data collected at the Pierre Auger Observatory depends heavily on the calibration and monitoring of the components of the detectors. It is crucial to maintain a database containing complete information on the absolute calibration of all photomultipliers and their time evolution. The low rate of the physics events implies that the analysis will have to be made over a long period of operation. This requirement imposes a very organized and reliable data storage and data management strategy, in order to guarantee correct data preservation and high data quality. The Fluorescence Detector (FD) consists of 27 telescopes with about 12,000 phototubes which have to be calibrated periodically. A special absolute calibration system is used. It is based on a calibrated light source with a diffusive screen, uniformly illuminating photomultipliers of the camera. This absolute calibration is performed every few years, as its use is not compatible with the operation of the detector. To monitor the stability and the time behavior, another light source system operates every night of data taking. This relative calibration procedure yields more than 2×10[sup]4 raw files each year, about 1 TByte/year. In this paper we describe a new web-interfaced database architecture to manage, store, produce and analyse FD calibration data. It contains the configuration and operating parameters of the detectors at each instant and other relevant functional parameters that are needed for the analysis or to monitor possible instabilities, used for the early discovery of malfunctioning components. Based on over 10 years of operation, we present results on the long term performance of FD and its dependence on environmental variables. We also report on a check of the absolute calibration values by analysing the signals left by stars traversing the FD field of view.
Ključne besede:Pierre Auger Observatory, Fluorescence Detector, detector calibration and monitoring, automated calibration procedure
Leto izida:2015
COBISS_ID:4155387 Povezava se odpre v novem oknu
URN:URN:SI:UNG:REP:ATLUNYSF
Licenca:CC BY-NC-SA 4.0
To delo je dosegljivo pod licenco Creative Commons Priznanje avtorstva-Nekomercialno-Deljenje pod enakimi pogoji 4.0 Mednarodna
Število ogledov:1613
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Področja:Gradivo ni uvrščeno v področja.
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Skupna ocena:(0 glasov)
Vaša ocena:Ocenjevanje je dovoljeno samo prijavljenim uporabnikom.

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Gradivo je del monografije

Naslov:The 34th International Cosmic Ray Conference
Podnaslov:ICRC 2015 (The Hague, Netherlands)
Založnik:PoS, http://pos.sissa.it/
Prireditelj konference:International Union of Pure and Applied Physics (IUPAP)
Naslov zbirke:Proceedings of ICRC 2015
Leto izida:2015

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