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The Roadmap to the POEMMA mission
Conference proceeding   Open access

The Roadmap to the POEMMA mission

J. H. Adams, R. Aloisio, L. A. Anchordoqui, A. Anzalone, M. Bagheri, D. Barghini, M. Battisti, D. R. Bergman, M. E. Bertaina, P. F. Bertone, …
37th International Cosmic Ray Conference (ICRC2021) - MM - Multi-Messenger
Proceedings of Science, v. 395
03/18/2022
DOI: 10.22323/1.395.0976
url
https://doi.org/10.22323/1.395.0976View
Published (Version of record) Open Access

Abstract

The Probe Of Extreme Multi-Messenger Astrophysics (POEMMA) is designed to observe ultrahigh-energy cosmic rays (UHECRs) and cosmic neutrinos from space with sensitivity over the full celestial sky. Developed as a NASA Astrophysics Probe-class mission, POEMMA consists of two identical telescopes orbiting the Earth in a loose formation designed to observe extensive air showers (EAS) via air fluorescence and Cherenkov emissions. UHECRs and UHE neutrinos above 20 EeV are observed with the stereo fluorescence technique, while tau neutrinos above 20 PeV are observed via the optical Cherenkov signals produced by up-going EAS generated by the decay of Earth-emerging tau-leptons. The POEMMA satellites are designed to quickly re-orientate to follow up transient cosmic neutrino candidate sources and obtain unparalleled neutrino flux sensitivity. Both observation techniques and the instrument design are being validated by current and upcoming missions, such as Mini-EUSO and EUSO-SPB as part of the JEM-EUSO program, and the Terzina instrument onboard the NUSES SmallSat mission. We discuss the POEMMA science performance and the current roadmap to the POEMMA mission.
Physics

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