12-20 July 2017
BEXCO
Asia/Seoul timezone
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Contribution

BEXCO - Room B(103/104/105)

[CRI017] First results from the full-scale prototype for the Fluorescence detector Array of Single-pixel Telescopes

Speakers

  • Toshihiro FUJII

Primary authors

Co-authors

  • S.B. THOMAS (University of Utah)
  • J. FARMER (KICP University of Chicago)
  • M. MEROLLE (KICP University of Chicago)
  • D. MANDAT (Institute of Physics of the Academy of Sciences of the Czech Republic)
  • A. GALIMOVA (KICP University of Chicago)
  • P. HORVATH (Palacky University RCPTM)
  • M. HRABOVSKY (Palacky University RCPTM)
  • M. MALACARI (KICP University of Chicago)
  • J. ALBURY (University of Adelaide)
  • J.N. MATTHEWS (University of Utah)
  • A. MATALON (KICP University of Chicago)
  • M. PECH (Institute of Physics of the Academy of Sciences of the Czech Republic)
  • P. PRIVITERA (KICP University of Chicago)
  • X. NI (KICP University of Chicago)
  • L. NOZKA (Institute of Physics of the Academy of Sciences of the Czech Republic)
  • M. PALATKA (Institute of Physics of the Academy of Sciences of the Czech Republic)
  • P. TRAVNICEK (Institute of Physics of the Academy of Sciences of the Czech Republic)
  • J.A. BELLIDO (University of Adelaide)
  • P. SCHOVANEK (Institute of Physics of the Academy of Sciences of the Czech Republic)

Description

The Fluorescence detector Array of Single-pixel Telescopes (FAST) is a design concept for the next generation of ultrahigh-energy cosmic ray (UHECR) observatories, addressing the requirements for a large-area, low-cost detector suitable for measuring the properties of the highest energy cosmic rays. In the FAST design, a large field of view is covered by a few pixels at the focal plane of a mirror or Fresnel lens. Motivated by the successful detection of UHECRs using a prototype comprised of a single 200 mm photomultiplier-tube and a 1 m$^2$ Fresnel lens system[Astropart.Phys. 74 (2016) 64-72], we have developed a new full-scale prototype consisting of four 200 mm photomultiplier-tubes at the focus of a segmented mirror of 1.6 m in diameter.  In October 2016 we installed the full-scale prototype at the Telescope Array site in central Utah, USA, and began steady data taking. We report on first results of the full-scale FAST prototype, including measurements of artificial light sources, distant ultraviolet lasers and UHECRs.