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Type: Artigo
Title: A targeted search for point sources of eev photons with the pierre auger observatory
Author: Aab, A.
Abstract: Simultaneous measurements of air showers with the fluorescence and surface detectors of the Pierre Auger Observatory allow a sensitive search for EeV photon point sources. Several Galactic and extragalactic candidate objects are grouped in classes to reduce the statistical penalty of many trials from that of a blind search and are analyzed for a significant excess above the background expectation. The presented search does not find any evidence for photon emission at candidate sources, and combined p-values for every class are reported. Particle and energy flux upper limits are given for selected candidate sources. These limits significantly constrain predictions of EeV proton emission models from non-transient Galactic and nearby extragalactic sources, as illustrated for the particular case of the Galactic center region
Subject: Raios cósmicos
Country: Reino Unido
Editor: Institute of Physics Publishing
Rights: Fechado
Identifier DOI: 10.3847/2041-8213/aa61a5
Date Issue: 2017
Appears in Collections:IFGW - Artigos e Outros Documentos

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