Absolute calibration and investigation of ageing of the AERA radio detectors

Almeida, Rogerio M. De; Filipčič, Andrej; Lundquist, Jon Paul; Stanič, Samo; Vorobiov, Serguei; Zavrtanik, Danilo; Zavrtanik, Marko; Zehrer, Lukas

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Title:	Absolute calibration and investigation of ageing of the AERA radio detectors
Authors:	ID Almeida, Rogerio M. De (Author) ID Filipčič, Andrej (Author) ID Lundquist, Jon Paul (Author) ID Stanič, Samo (Author) ID Vorobiov, Serguei (Author) ID Zavrtanik, Danilo (Author) ID Zavrtanik, Marko (Author) ID Zehrer, Lukas (Author), et al.
Files:	ARENA2022_039.pdf (1,27 MB) MD5: 99FA6AF291D2CB67C8A53070EACE445C https://doi.org/10.22323/1.424.0039 https://pos.sissa.it/424/039 This document has even more files. Complete list of files is available below.
Language:	English
Work type:	Unknown
Typology:	1.08 - Published Scientific Conference Contribution
Organization:	UNG - University of Nova Gorica
Abstract:	The Auger Engineering Radio Array (AERA) is currently the largest facility to measure radio emissions from extensive air showers. Located at the Pierre Auger Observatory in Argentina, it comprises 153 autonomous radio-detector stations, covering an area of 17 sq. km, and measures radio waves in the frequency range from 30 to 80 MHz. For the correct interpretation of data collected by AERA stations, the detector response has to be carefully calibrated. In the past, this was done by measuring the analogue chain in the laboratory, in addition to simulating and measuring the directional response of the antenna. In this work, we perform an absolute calibration by using the radio emission from the Galaxy. A model of the full radio sky is propagated through the system response, including the antenna, filters and amplifiers, and compared to the average spectra recorded by the stations. The method to determine the calibration constants, as the results, for each antenna will be presented. The behavior of the calibration constants is studied as a function of time from 2014 to 2020. There is no relevant ageing effect over a timescale of 10 years, showing that radio detectors could help to monitor possible ageing effects of other detector systems during long-term operations, stressing their importance in determining an absolute energy scale.
Keywords:	Pierre Auger Observatory, ultra-high-energy cosmic rays, extensive air showers, engineering radio array
Publication status:	Published
Publication version:	Version of Record
Year of publishing:	2023
Number of pages:	Str. 1-8
PID:	20.500.12556/RUNG-9378
COBISS.SI-ID:	210080259
UDC:	52
ISSN on article:	1824-8039
DOI:	10.22323/1.424.0039
NUK URN:	URN:SI:UNG:REP:HQUWNJS0
Publication date in RUNG:	03.10.2024
Views:	821
Downloads:	1
Metadata:
:	ALMEIDA, Rogerio M. De, FILIPČIČ, Andrej, LUNDQUIST, Jon Paul, STANIČ, Samo, VOROBIOV, Serguei, ZAVRTANIK, Danilo, ZAVRTANIK, Marko and ZEHRER, Lukas, 2023, Absolute calibration and investigation of ageing of the AERA radio detectors. In : 9th International Workshop on Acoustic and Radio EeV Neutrino Detection Activities [also] ARENA2022 [online]. Published Scientific Conference Contribution. 2023. p. 1–8. [Accessed 7 April 2025]. Retrieved from: https://repozitorij.ung.si/IzpisGradiva.php?lang=eng&id=9378 Copy citation

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Record is a part of a proceedings

Title:	9th International Workshop on Acoustic and Radio EeV Neutrino Detection Activities [also] ARENA2022
COBISS.SI-ID:	210073347

Record is a part of a journal

Title:	Proceedings of science
Shortened title:	Pos proc. sci.
Publisher:	Sissa
ISSN:	1824-8039
COBISS.SI-ID:	20239655

Document is financed by a project

Funder:	ARIS - Slovenian Research and Innovation Agency
Project number:	P1-0031
Name:	Večglasniška astrofizika

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License:	CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International

Link:	http://creativecommons.org/licenses/by-nc-nd/4.0/
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