Kavli Affiliate: Radomir Smida
| First 5 Authors: Jakub Kmec, Jakub Kmec, , ,
| Summary:
Ultra-high-energy cosmic rays (UHECRs) remain one of the greatest mysteries
in astroparticle physics. The Fluorescence detector Array of Single-pixel
Telescopes (FAST) is a next-generation cosmic ray experiment which utilizes
ground-based fluorescence telescopes designed to detect these extremely rare
particles at energies exceeding 30 EeV. FAST offers a cost-effective and
low-maintenance solution to cover the huge detection areas required for UHECR
observation. FAST telescopes are currently installed and remotely operated in
both hemispheres, at the Pierre Auger Observatory and the Telescope Array
experiment. To enable fully autonomous operation, a sophisticated trigger for
data acquisition is essential. In this paper, we present two novel triggering
algorithms inspired by those used at the largest observatories, but improved to
meet the specific requirements imposed by the FAST design. Their performance is
validated using Monte Carlo simulations of extensive air showers and UHECR
events detected by the FAST telescope in the southern hemisphere. Finally, we
present the sensitivity analysis estimate for FAST.
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