The EUSO-SPB2 fluorescence telescope for the detection of Ultra-High Energy Cosmic Rays

Adams, J.H.; Allard, D.; Alldredge, P.; Anchordoqui, L.; Anzalone, A.; Battisti, M.; Belov, A.A.; Bertaina, M.; Bertone, P.F.; Blin-Bondil, S.; Burton, J.; Cafagna, F.S.; Casolino, M.; Černý, K.; Christl, M.J.; Colalillo, R.; Crawford, H.J.; Creusot, A.; Cummings, A.; Diesing, R.; Nola, A.D.; Ebisuzaki, T.; Eser, J.; Ferrarese, S.; Filippatos, G.; Finch, W.W.; Flaminio, F.; Fornaro, C.; Fuehne, D.; Fuglesang, C.; Garg, D.; Golzio, A.; Guarino, F.; Guépin, C.; Heibges, T.; Judd, E.G.; Klimov, P.A.; Krizmanic, J.F.; Kungel, V.; Kupari, L.; Kuznetsov, E.; Manfrin, M.; Marszał, W.; Matthews, J.N.; Mese, M.; Meyer, S.S.; Mignone, M.; Miyamoto, H.; Murashov, A.S.; Nachtman, J.M.; Olinto, A.V.; Onel, Y.; Osteria, G.; Panico, B.; Parizot, È.; Paul, T.; Pech, M.; Perfetto, F.; Piotrowski, L.W.; Plebaniak, Z.; Posligua, J.; Prévôt, G.; Przybylak, M.; Reardon, P.; Reno, M.H.; Ricci, M.; Sarazin, F.; Schovánek, P.; Scotti, V.; Shinozaki, K.; Soriano, J.F.; Stillwell, B.K.; Szabelski, J.; Takizawa, Y.; Trofimov, D.; Unel, F.; Valore, L.; Venters, T.M.; Watts, J.; Wiencke, L.; Wistrand, H.; Young, R.

Авторы: Adams James H., Allard Denis, Alldredge Phillip, Anchordoqui Luis, Anzalone Anna, Battisti Matteo, Belov Alexander A., Bertaina Mario, Bertone Peter F., Blin-Bondil Sylvie, Burton Julia, Cafagna Francesco S., Casolino Marco, Černý Karel, Christl Mark J., Colalillo Roberta, Crawford Hank J., Creusot Alexandre, Cummings Austin, Diesing Rebecca, Nola Alessandro Di, Ebisuzaki Toshikazu, Eser Johannes, Ferrarese Silvia, Filippatos George, Finch William W., Flaminio Flavia, Fornaro Claudio, Fuehne Duncan, Fuglesang Christer, Garg Diksha, Golzio Alessio, Guarino Fausto, Guépin Claire, Heibges Tobias, Judd Eleanor G., Klimov Pavel A., Krizmanic John F., Kungel Viktoria, Kupari Luke, Kuznetsov Evgeny, Manfrin Massimiliano, Marszał Włodzimierz, Matthews John N., Mese Marco, Meyer Stephan S., Mignone Marco, Miyamoto Hiroko, Murashov Alexey S., Nachtman Jane M., Olinto Angela V., Onel Yasar, Osteria Giuseppe, Panico Beatrice, Parizot Ètienne, Paul Tom, Pech Miroslav, Perfetto Francesco, Piotrowski Lech W., Plebaniak Zbigniew, Posligua Jonatan, Prévôt Guillaume, Przybylak Marika, Reardon Patrick, Reno Mary Hall, Ricci Marco, Sarazin Fred, Schovánek P., Scotti Valentina, Shinozaki Kenji, Soriano Jorge F., Stillwell Ben K., Szabelski Jacek, Takizawa Yoshiyuki, Trofimov Daniil, Unel Fredrik, Valore Laura, Venters Tonia M., Watts John, Wiencke Lawrence, Wistrand Hannah, Young Roy
Журнал: Astroparticle Physics
Том: 165
Год издания: 2025
Издательство: Elsevier BV
Местоположение издательства: Netherlands
Первая страница: 103046
DOI: 10.1016/j.astropartphys.2024.103046
Аннотация: The Extreme Universe Space Observatory on a Super Pressure Balloon 2 (EUSO-SPB2) flew on May 13th and 14th of 2023. Consisting of two novel optical telescopes, the payload utilized next-generation instrumentation for the observations of extensive air showers from near space. One instrument, the fluorescence telescope (FT) searched for Ultra-High Energy Cosmic Rays (UHECRs) by recording the atmosphere below the balloon in the near-UV with a 1μs time resolution using 108 multi-anode photomultiplier tubes with a total of 6912 channels. Validated by pre-flight measurements during a field campaign, the energy threshold was estimated around 2 EeV with an expected event rate of approximately 1 event per 10 h of observation. Based on the limited time afloat, the expected number of UHECR observations throughout the flight is between 0 and 2. Consistent with this expectation, no UHECR candidate events have been found. The majority of events appear to be detector artifacts that were not rejected properly due to a shortened commissioning phase. Despite the earlier-than-expected termination of the flight, data were recorded which provide insights into the detectors stability in the near-space environment as well as the diffuse ultraviolet emissivity of the atmosphere, both of which are impactful to future experiments.
Добавил в систему: Климов Павел Александрович

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