| Issue |
EPJ Web Conf.
Volume 210, 2019
Ultra High Energy Cosmic Rays 2018 (UHECR 2018)
|
|
|---|---|---|
| Article Number | 05001 | |
| Number of page(s) | 3 | |
| Section | Detection Techniques | |
| DOI | https://doi.org/10.1051/epjconf/201921005001 | |
| Published online | 17 May 2019 | |
https://doi.org/10.1051/epjconf/201921005001
NICHE: Air-Cherenkov observation at the TA site
1
University of Utah, Institute for High Energy Astrophysics
2
Osaka City University
3
University of Maryland, Baltimore County, CRESST, NASA Goddard Space Flight Center
* e-mail: bergman@physics.utah.edu
Published online: 17 May 2019
The Non-Imaging CHErenkov (NICHE) Array has been deployed at the Telescope Array Middle Drum site, and has been collecting data. We see many coincidences with TALE fluorescence mirror events, establishing hybrid imaging/non-imaging air-Cherenkov observation of cosmic ray air showers. We have verified the TALE Profile-Constrained Geometry Fit of Cherenkov events at the 3° level. We have performed hybrid timing fits between NICHE and TALE and have established that the growth in the FWHM of the NICHE signal with the distance of the shower core depends on the height of the shower maximum.
© The Authors, published by EDP Sciences, 2019
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