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Reconstruction of Events Recorded with the Water-Cherenkov and Scintillator Surface Detectors of the Pierre Auger Observatory

Pierre Auger Collaboration; Schmidt, David 1; Abreu, Pedro; Aglietta, Marco; Albury, Justin M.; Allekotte, Ingomar; Almela, Alejandro; Alvarez-Muniz, Jaime; Alves Batista, Rafael; Anastasi, Gioacchino Alex; Anchordoqui, Luis A.; Andrada, Belén; Andringa, Sofia; Aramo, Carla; Araújo Ferreira, Paulo Ricardo; Arteaga Velazquez, Juan Carlos; Asorey, Hernán Gonzalo; Assis, Pedro; Avila, Gualberto; ... mehr


With the knowledge and statistical power of over a decade and a half of measurements, the Auger Collaboration has developed, assessed, and refined robust methods for reconstructing the energies and arrival directions of the highest-energy cosmic rays from the signal and timing measurements of its surface detector array. Concurrently, the unearthing of an increasingly complex astrophysical scenario and tensions with hadronic interaction models have demanded the addition of primary mass as an observable measurable using the surface detector. Access to information on the mass hinges on the disentanglement of the electromagnetic and muonic components of extensive air showers. Consequently, an upgrade to the Observatory, AugerPrime, is being carried out by equipping existing water-Cherenkov stations with a 3.8 m2 Scintillator Surface Detector (SSD). The SSDs, with their high sensitivity to electrons and positrons, will provide samples of the lateral distribution of particles at the ground that complement those of the water-Cherenkov detectors, which are significantly more sensitive to muons. When used together, the two measurements enable extraction of the number of incident muons, which is a quantity that strongly correlates with primary mass. ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/1000138429
Veröffentlicht am 15.10.2021
DOI: 10.22323/1.395.0218
Zitationen: 1
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Astroteilchenphysik (IAP)
Institut für Experimentelle Teilchenphysik (ETP)
Institut für Prozessdatenverarbeitung und Elektronik (IPE)
Publikationstyp Proceedingsbeitrag
Publikationsdatum 18.03.2022
Sprache Englisch
Identifikator ISSN: 1824-8039
KITopen-ID: 1000138429
HGF-Programm 51.13.03 (POF IV, LK 01) Kosmische Strahlung Auger
Erschienen in Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021), Ed.: A. Kappes
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.: 218
Serie Pos Proceedings of Science ; 395
Vorab online veröffentlicht am 05.08.2021
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