| Naslov: | Absolute calibration and investigation of ageing of the AERA radio detectors |
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| Avtorji: | ID Almeida, Rogerio M. De (Avtor)
ID Filipčič, Andrej (Avtor)
ID Lundquist, Jon Paul (Avtor)
ID Stanič, Samo (Avtor)
ID Vorobiov, Serguei (Avtor)
ID Zavrtanik, Danilo (Avtor)
ID Zavrtanik, Marko (Avtor)
ID Zehrer, Lukas (Avtor), et al. |
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| Datoteke: |  ARENA2022_039.pdf (1,27 MB)
MD5: 99FA6AF291D2CB67C8A53070EACE445C
 https://doi.org/10.22323/1.424.0039
https://pos.sissa.it/424/039
To gradivo ima še več datotek. Celoten seznam je na voljo
spodaj. |
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| Jezik: | Angleški jezik |
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| Vrsta gradiva: | Neznano |
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| Tipologija: | 1.08 - Objavljeni znanstveni prispevek na konferenci |
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| Organizacija: | UNG - Univerza v Novi Gorici
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| Opis: | 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. |
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| Ključne besede: | Pierre Auger Observatory, ultra-high-energy cosmic rays, extensive air showers, engineering radio array |
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| Status publikacije: | Objavljeno |
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| Verzija publikacije: | Objavljena publikacija |
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| Leto izida: | 2023 |
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| Št. strani: | Str. 1-8 |
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| PID: | 20.500.12556/RUNG-9378  |
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| COBISS.SI-ID: | 210080259 |
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| UDK: | 52 |
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| ISSN pri članku: | 1824-8039 |
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| DOI: | 10.22323/1.424.0039 |
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| NUK URN: | URN:SI:UNG:REP:HQUWNJS0 |
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| Datum objave v RUNG: | 03.10.2024 |
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| Število ogledov: | 454 |
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| Število prenosov: | 1 |
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| Metapodatki: |    |
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