Development of a cosmic ray oriented trigger for the fluorescence telescope on EUSO-SPB2

Filippatos, George; Battisti, Matteo; Белов, А. А.; Bertaina, M.; Bisconti, Francesca; Eser, Johannes; Mignone, M.; Sarazin, F.; Wiencke, L.

doi:10.1016/j.asr.2021.12.028

Cited by 10 publications

(7 citation statements)

References 34 publications

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“…Each PDM is covered with a BG3 filter 1 to limit its sensitivity to the UV region (290-430 nm) and reduce the background of photon counts outside this optimal frequency band. The trigger [4] operates individually on each PDM. The 6912-pixel camera consists of 3 such PDMs.…”

Section: The Fluorescence Telescope (Ft)mentioning

confidence: 99%

Overview and First Results of EUSO-SPB2

Eser,

Olinto,

Wiencke

2023

Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)

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Observing ultra-high energy cosmic rays (UHECR) and very high energy (VHE) neutrinos from space is a promising way to measure their extremely low fluxes by significantly increasing the observed volume. The Extreme Universe Space Observatory on a Super Pressure Balloon 2 (EUSO-SPB2), the next, most advanced pathfinder for such a mission, was launched May 13th 2023 from Wanaka New Zealand. The pioneering EUSO-SPB2 payload flew a Fluorescence Telescope (FT) with a PMT camera pointed in nadir to record fluorescence light from cosmic ray extensive air shower (EAS) with energies above 1 EeV, and a Cherenkov telescope (CT) with a silicon photomultiplier focal surface for observing Cherenkov emission of cosmic ray EAS with energies above 1 PeV with an above-the-limb geometry and of PeV-scale EAS initiated by neutrinosourced tau decay. As the CT is a novel instrument, optical background measurements for space neutrino observation are an important goal of the mission. Any data collected during the mission will influence and improve the development of a space-based multi-messenger observatory such as the Probe of Extreme Multi-Messenger Astrophysics (POEMMA). We present an overview of the EUSO-SPB2 mission and its science goals and summarize results as available, from the 2023 flight.

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Section: The Fluorescence Telescope (Ft)mentioning

confidence: 99%

Overview and First Results of EUSO-SPB2

Eser,

Olinto,

Wiencke

2023

Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)

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“…Nine of these ECs are connected to xilinx FPGA to form a PDM with 36 MAPMTs and 2,304 total pixels. Each PDM has a square field of view of roughly 12 o x12 o and can trigger internally [6]. The three PDMs (shown in top panel of fig.…”

Section: The Instrumentmentioning

confidence: 99%

EUSO-SPB2: A balloon experiment for UHECR and VHE neutrino observation

Cummings¹,

Eser²,

Filippatos³

et al. 2023

EPJ Web Conf.

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The Extreme Universe Space Observatory on a Super Pressure Balloon 2 (EUSO-SPB2) experiment will make new measurements from suborbital space as a precursor for future space missions that will address the challenge of the extremely low fluxes of ultra-high energy cosmic rays (UHECR) and very high energy (VHE) neutrinos. The EUSO-SPB2 detector is comprised of two 1m diameter aperture telescopes. The Fluorescence Telescope (FT) will point in nadir and will record fluorescence light from cosmic ray EAS with energies above 1 EeV in its field of view of 36 by 12 degrees. The Cherenkov Telescope (CT) features a silicon photomultiplier focal surface with a field of view of 12 by 6 degrees. The CT will switch between two observation modes: one which points the CT above the limb to measure the Cherenkov emission of cosmic ray EAS with energies above 1 PeV and one which points the CT below the limb to record the Cherenkov emission produced by PeV scale EAS initiated by neutrino-sourced tau decay. As it is the first time such an instrument has been flown, one of the priorities of the CT will be the study of the optical background for observing neutrinos in this way. EUSO-SPB2 is undergoing the final integration steps for launch on a NASA super pressure balloon payload in the spring of 2023 from Wanaka NZ. The CT was field-tested in March 2022 and the FT in August - September 2022. The data collected during the EUSO-SPB2 mission will be essential to advancing the development of a space-based multi-messenger observatory such as the Probe of Extreme Multi-Messenger Astrophysics (POEMMA). In this contribution, we discuss the EUSO-SPB2 science goals, the instruments, the expected performance and the current status.

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“…Due to limited telemetry, the identified event candidates will be prioritized using machine learning techniques. Details of the trigger and the prioritization can be found in [5,7]. Additionally, EUSO-SPB2 will search for the candidate upward-going events similar to the ones reported by the Antarctic Impulse Transient Antenna (ANITA) [8] but with even steeper emergence angles.…”

Section: Uhecr Via Fluorescence Techniquementioning

confidence: 99%

EUSO-SPB2: A sub-orbital cosmic ray and neutrino multi-messenger pathfinder observatory

Cummings,

Eser,

Filippatos

et al. 2023

SciPost Phys. Proc.

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The next generation of ultra-high energy cosmic ray (UHECR) and very-high energy neutrino observatories will address the challenge of the extremely low fluxes of these particles at the highest energies. EUSO-SPB2 (Extreme Universe Space Observatory on a Super Pressure Balloon 2) is designed to prepare space missions to address this challenge. EUSO-SPB2 is equipped with 2 telescopes: the Fluorescence Telescope, which will point downwards and measure fluorescence emission from UHECR air showers with an energy above 2 EeV, and the Cherenkov Telescope (CT), which will point towards the Earth’s limb and measure direct Cherenkov emission from cosmic rays with energies above 1 PeV verifying the technique. Pointed below the limb, the CT will search for Cherenkov emission produced by neutrino-sourced tau-lepton decays above 10 PeV energies and study backgrounds for such events. The EUSO-SPB2 mission will provide pioneering observations and technical milestones on the path towards a space-based multi-messenger observatory.

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Development of a cosmic ray oriented trigger for the fluorescence telescope on EUSO-SPB2

Cited by 10 publications

References 34 publications

Overview and First Results of EUSO-SPB2

Overview and First Results of EUSO-SPB2

EUSO-SPB2: A balloon experiment for UHECR and VHE neutrino observation

EUSO-SPB2: A sub-orbital cosmic ray and neutrino multi-messenger pathfinder observatory

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