Expected performance of the K-EUSO space-based observatory

Bianciotto, MartaUniversità degli studi di Torino, Via Pietro Giuria 1 10125, Torino, Italy, Via Pietro Giuria 1 (author)

QC 20230802
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 1-2.5 μs to reconstruct the entire shower profile with high precision. The detector consisting of ∼ 105 independent pixels will allow a spatial resolution of ∼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.

Bolmgren, KarlKTH,Partikel- och astropartikelfysik(Swepub:kth)u1la6up4 (author)
Carlson, PerKTH,Partikel- och astropartikelfysik(Swepub:kth)u1ua4u32 (author)
Fuglesang, Christer,1957-KTH,Partikel- och astropartikelfysik(Swepub:kth)u14h36o6 (author)
Zuccaro Marchi, A.RIKEN, Wako, Saitama, Japan, Saitama (author)
Università degli studi di Torino, Via Pietro Giuria 1 10125, Torino, Italy, Via Pietro Giuria 1Partikel- och astropartikelfysik (creator_code:org_t)

By the author/editor: Bianciotto, Mart ...; Bolmgren, Karl; Carlson, Per; Fuglesang, Chris ...; Zuccaro Marchi, ...

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Astronomy Astrop ...

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