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Naslov:Studies in the atmospheric monitoring at the Pierre Auger Observatory using the upgraded Central Laser Facility
Avtorji:ID Medina-Hernandez, Carlos (Avtor)
ID Filipčič, Andrej (Avtor)
ID Kukec Mezek, Gašper (Avtor)
ID Saleh, Ahmed (Avtor)
ID Stanič, Samo (Avtor)
ID Trini, Marta (Avtor)
ID Veberič, Darko (Avtor)
ID Vorobiov, Serguei (Avtor)
ID Yang, Lili (Avtor)
ID Zavrtanik, Danilo (Avtor)
ID Zavrtanik, Marko (Avtor), et al.
Datoteke:.pdf ICRC2015_624.pdf (3,96 MB)
MD5: BA6030A83DABA05D0EA63C06C34B9FB4
 
Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano
Tipologija:1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija:UNG - Univerza v Novi Gorici
Opis:The Fluorescence Detector (FD) at the Pierre Auger Observatory measures the intensity of the scattered light from laser tracks generated by the Central Laser Facility (CLF) and the eXtreme Laser Facility (XLF) to monitor and estimate the vertical aerosol optical depth (τ(z,t)). This measurement is needed to obtain unbiased and reliable FD measurements of the arrival direction and energy of the primary cosmic ray, and the depth of the maximum shower development. The CLF was upgraded substantially in 2013 with the addition of a solid state laser, new generation GPS, a robotic beam calibration system, better thermal and dust isolation, and improved software. The upgrade also included a back-scatter Raman LIDAR to measure τ(z,t). The new features and applications of the upgraded instrument are described. These include the laser energy calibration and the atmospheric monitoring measurements. The first τ(z,t) results and comparisons after the upgrade are presented using different methods. The first method compares the FD hourly response to the scattered light from the CLF (or XLF) against a reference hourly profile measured during a clear night where zero aerosol contents are assumed. The second method simulates FD responses with different atmospheric parameters and selects the parameters that provide the best fit to the actual FD response. A third method uses the new Raman LIDAR receiver in-situ to measure the back-scatter light from the CLF laser. The results show a good data agreement for the first and second methods using FD stations located at the same distance from the facilities. Preliminary results of τ(z,t) using the Raman LIDAR are presented as well.
Ključne besede:Pierre Auger Observatory, extensive air showers, the Fluorescence Detector, atmospheric monitoring, vertical aerosol optical depth, the Central Laser Facility, the eXtreme Laser Facility
Status publikacije:Objavljeno
Leto izida:2015
PID:20.500.12556/RUNG-2146 Novo okno
COBISS.SI-ID:4153851 Novo okno
NUK URN:URN:SI:UNG:REP:LWBHHYPI
Datum objave v RUNG:03.03.2016
Število ogledov:5029
Število prenosov:182
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Gradivo je del monografije

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

Licence

Licenca:CC BY-NC-SA 4.0, Creative Commons Priznanje avtorstva-Nekomercialno-Deljenje pod enakimi pogoji 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by-nc-sa/4.0/deed.sl
Opis:Licenca Creative Commons, ki prepoveduje komercialno uporabo in zahteva, da uporabnik predelana dela objavi z enako licenco.
Začetek licenciranja:02.03.2016

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