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Reconstructing inclined extensive air showers from radio measurements

Huege, Tim 1; Schlüter, Felix ORCID iD icon 1
1 Institut für Astroteilchenphysik (IAP), Karlsruher Institut für Technologie (KIT)


We present a reconstruction algorithm for extensive air showers with zenith angles between 65°and 85° measured with radio antennas in the 30-80 MHz band. Our algorithm is based on a signal model derived from CoREAS simulations which explicitly takes into account the asymmetries introduced by the superposition of charge-excess and geomagnetic radiation as well as by early-late effects. We exploit correlations among fit parameters to reduce the dimensionality and thus ensure stability of the fit procedure. Our approach reaches a reconstruction efficiency near 100% with an intrinsic resolution for the reconstruction of the electromagnetic energy of well below 5%. It can be employed in upcoming large-scale radio detection arrays using the 30-80 MHz band, in particular the AugerPrime Radio detector of the Pierre Auger Observatory, and can likely be adapted to experiments such as GRAND operating at higher frequencies.

Verlagsausgabe §
DOI: 10.5445/IR/1000138426
Veröffentlicht am 01.10.2021
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Astroteilchenphysik (IAP)
Publikationstyp Proceedingsbeitrag
Publikationsdatum 18.03.2022
Sprache Englisch
Identifikator ISSN: 1824-8039
KITopen-ID: 1000138426
HGF-Programm 51.13.04 (POF IV, LK 01) Kosmische Strahlung Technologien
Erschienen in Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021) : Berlin, Germany, 12-23 July 2021
Veranstaltung 37th International Cosmic Ray Conference (ICRC 2021), Online, 12.07.2021 – 23.07.2021
Verlag Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Seiten Art.-Nr.: 209
Serie Proceedings of Science / International School for Advanced Studies ; 395
Vorab online veröffentlicht am 05.07.2021
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