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Expected Performance of the EUSO-SPB2 Fluorescence Telescope

Heaton, C.; Abdellaoui, G.; Abe, S.; Adams, Jr, J.H.; Allard, D.; Alonso, G.; Anchordoqui, L.; Anzalone, A.; Arnone, E.; Asano, K.; Attallah, R.; Attoui, H.; Ave Pernas, M.; Bagheri, M.; Baláz, J.; Bakiri, M.; Barghini, D.; Bartocci, S.; Battisti, M.; ... mehr


The Extreme Universe Space Observatory Super Pressure Balloon 2 (EUSO-SPB2) is under development, and will prototype instrumentation for future satellite-based missions, including the Probe of Extreme Multi-Messenger Astrophysics (POEMMA).
EUSO-SPB2 will consist of two telescopes. The first is a Cherenkov telescope (CT) being developed to identify and estimate the background sources for future below-the-limb very high energy (E>10 PeV) astrophysical neutrino observations, as well as above-the-limb cosmic ray induced signals (E>1 PeV).
The second is a fluorescence telescope (FT) being developed for detection of Ultra High Energy Cosmic Rays (UHECRs).
In preparation for the expected launch in 2023, extensive simulations tuned by preliminary laboratory measurements have been performed to understand the FT capabilities.
The energy threshold has been estimated at 10$^{18.2}$ eV, and results in a maximum detection rate at 10$^{18.6}$ eV when taking into account the shape of the UHECR spectrum.
In addition, onboard software has been developed based on the simulations as well as experience with previous EUSO missions.
This includes a level 1 trigger to be run on the computationally limited flight hardware, as well as a deep learning based prioritization algorithm in order to accommodate the balloon’s telemetry budget.
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Volltext §
DOI: 10.5445/IR/1000156471
Veröffentlicht am 03.03.2023
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Prozessdatenverarbeitung und Elektronik (IPE)
Publikationstyp Forschungsbericht/Preprint
Publikationsdatum 14.12.2021
Sprache Englisch
Identifikator KITopen-ID: 1000156471
Verlag arxiv
Nachgewiesen in arXiv
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