Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session H08: Next Generation Cosmic Ray Observatories
10:45 AM–12:33 PM,
Sunday, April 14, 2019
Sheraton
Room: Governor's Square 10
Sponsoring
Unit:
DAP
Chair: Tonia Venters, NASA GSFC
Abstract: H08.00003 : Results from the Fluoresence detector Array of Single-pixel Telescopes (FAST) at Telescope Array
11:09 AM–11:21 AM
View Presentation Abstract
Presenter:
John M Farmer
(University of Chicago)
Author:
John M Farmer
(University of Chicago)
The Fluorescence detector Array of Single-pixel Telescopes (FAST) is an R\&D project for the next generation of cosmic ray detectors aimed at addressing the hardware needs for instrumenting a huge area at a low cost to observe the most energetic Ultra-High-Energy Cosmic Rays (UHECRs). The FAST telescope features four 8\,in PMTs covering a 30\times30^\circ field of view at the focal plane of a 1.6\,m segmented mirror. A first test of FAST, consisting of three telescopes covering an area 90 degrees in azimuth, has been assembled at the Black Rock Mesa site of the Telescope Array (TA) experiment in Utah, where it observes a shared field of view with the TA FD. Stations have been remotely operated since their assembly beginning in 2016, demonstrating stable operation under the high background conditions of FAST as well as observation of ultraviolet laser shots and UHECRs in coincidence with the TA FD. We discuss results from FAST at TA, including detection of UHECR stereo events, stability and monitoring of the telescopes, and top-down reconstruction of the highest-energy events using TA geometry, as well as plans for future testing of the FAST design at the site of the Pierre Auger Observatory.
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