EPJ Web Conf.
Volume 208, 2019ISVHECRI 2018 - XX International Symposium on Very High Energy Cosmic Ray Interactions
|Number of page(s)||6|
|Published online||10 May 2019|
Future ground arrays for ultrahigh-energy cosmic rays: recent updates and perspectives
Institute for Cosmic Ray Research, University of Tokyo, Kashiwa, Chiba, Japan
2 Now at Hakubi Center for Advanced Research, Graduate School of Science, Kyoto University, Sakyo, Kyoto, Japan
* e-mail: firstname.lastname@example.org
Published online: 10 May 2019
The origin and nature of ultrahigh-energy cosmic rays (UHECRs) are one of the most intriguing mysteries in particle astrophysics and astronomy. The two largest observatories, the Pierre Auger Observatory and the Telescope Array Experiment, are steadily observing UHECRs in both hemispheres in order to better understand their origin and associated acceleration mechanisms at the highest energies. We highlight their latest results including on-going upgrades, AugerPrime and TA×4, and then address the requirements for a next-generation observatory. We share recent updates and perspectives for a future ground array of fluorescence detectors, addressing the requirements for a large-area, low-cost detector suitable for measuring the properties of the highest energy cosmic rays with an unprecedented aperture.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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