Expected performance of the K-EUSO space-based observatory

K-EUSO is a planned mission of the JEM-EUSO program for the study of ultra-high energy cosmic rays (UHECR) from space, to be deployed on the International Space Station. The K-EUSO observatory consists of a UV telescope with a wide field of view, which aims at the detection of fluorescence light emi...

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Bibliographic Details
Published inarXiv.org
Main Authors Fenu, Francesco, Sharakin, Sergei, Zotov, Mikhail, Sakaki, Naoto, Takizawa, Yoshiyuki, Bianciotto, Marta, Bertaina, Mario, Casolino, Marco, Klimov, Pavel, the JEM-EUSO collaboration
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 21.12.2021
Subjects
Cosmic ray showers
Cosmic rays
Field of view
Fluorescence
International Space Station
Observatories
Spatial resolution
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Summary:K-EUSO is a planned mission of the JEM-EUSO program for the study of ultra-high energy cosmic rays (UHECR) from space, to be deployed on the International Space Station. The K-EUSO observatory consists of a UV telescope with a wide field of view, which aims at the detection of fluorescence light emitted by extensive air showers (EAS) in the atmosphere. The EAS events will be sampled with a time resolution of \(\sim\)1-2.5 s to reconstruct the entire shower profile with high precision. The detector consisting of $\sim$$10^5\( independent pixels will allow a spatial resolution of \)\sim$700 m on ground. From a 400 km altitude, K-EUSO will achieve a large and full sky exposure to sample the highest energy range of the UHECR spectrum. In this contribution, we present estimates of the performance of the observatory: an estimation of the expected exposure and triggered event rate as a function of energy and the event reconstruction performance, including resolution of arrival directions and energy of UHECRs.
ISSN:2331-8422