Gaia Silli (Avtor), Andrej Filipčič (Avtor), J. P. Lundquist (Avtor), Samo Stanič (Avtor), Serguei Vorobiov (Avtor), Danilo Zavrtanik (Avtor), Marko Zavrtanik (Avtor), Lukas Zehrer (Avtor)

Povzetek

The Pierre Auger Observatory, located in western Argentina, is the world's largest cosmic-ray observatory. While it was originally built to study the cosmic-ray flux above 10^18.5 eV, several enhancements have reduced this energy threshold. One such enhancement is a surface array composed of a triangular grid of 19 water-Cherenkov detectors separated by 433 m (SD-433) to explore the energies down to about 10^16 eV. We are developing two research lines employing the SD-433. Firstly, we will measure the energy spectrum in a region where previous experiments have shown evidence of the second knee. Secondly, we will search for ultra-high energy photons to study PeV cosmic-ray sources residing in the Galactic center. In this work, we introduce the SD-433 and we show that it is fully efficient above 5×10^16 eV for hadronic primaries with θ<45∘. Using seven years of data, we present the parametrization of the lateral distribution function of measured signals. Finally, we show that an angular resolution of 1.8∘ (0.5∘) can be attained at the lowest (highest) primary energies. Our study lays the goundmark for measurements in the energy range above 10^16 eV by utilizing the SD-433 and thus expanding the scientific output of the Auger surface detector.

Ključne besede

Pierre Auger Observatory;indirect detection;ultra-high energy;cosmic rays;outreach;detector operation;

Podatki

Jezik: Angleški jezik
Leto izida:
Tipologija: 1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija: UNG - Univerza v Novi Gorici
UDK: 539.1
COBISS: 167054339 Povezava se bo odprla v novem oknu
ISSN: 1824-8039
Št. ogledov: 37
Št. prenosov: 0
Ocena: 0 (0 glasov)
Metapodatki: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Ostali podatki

Vrsta dela (COBISS): Delo ni kategorizirano
Strani: str. 1-12
Čas izdaje: 2022
DOI: 10.22323/1.395.0224
ID: 20033975