| Issue |
EPJ Web Conf.
Volume 283, 2023
Ultra High Energy Cosmic Rays (UHECR 2022)
|
|
|---|---|---|
| Article Number | 02009 | |
| Number of page(s) | 4 | |
| Section | Energy Spectrum and Mass Composition | |
| DOI | https://doi.org/10.1051/epjconf/202328302009 | |
| Published online | 28 April 2023 | |
https://doi.org/10.1051/epjconf/202328302009
Cosmic ray mass composition measurement with the TALE hybrid detector
Institute for Cosmic Ray Research, the University of Tokyo
* Corresponding author: kfujita@icrr.u-tokyo.ac.jp
Published online: 28 April 2023
The Telescope Array (TA) located in the State of Utah in the US is the largest ultra-high energy cosmic rays observatory in the northern hemisphere. The Telescope Array Low-energy Extension (TALE) detector was constructed to study the transition of cosmic rays from Galactic to extra-galactic origin. The TALE detector consists of a Fluorescence Detector (FD) station with 10 high elevation telescopes located at the TA Middle Drum FD Station (itself made up of 14 FD telescopes), and a Surface Detector (SD) array made up of 80 scintillation counters, including 40 with 400 m spacing and 40 with 600 m spacing. We have continued stable observation with hybrid mode since 2017. In this contribution, we present the latest result of the cosmic ray mass composition measurement using almost 4 years of TALE hybrid data.
© The Authors, published by EDP Sciences, 2023
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