Giant Air Shower Array Shows Cosmic‐Ray Spectrum Violating Greisen Cutoff
OCT 01, 1998
The highest‐energy cosmic rays appear to be thumbing their noses at what was thought to be an inviolable upper limit.
DOI: 10.1063/1.882394
For almost nine years, the Akeno Giant Air Shower Array in Japan has been accumulating data on the most energetic cosmic rays. AGASA, with its 111 scintillation detectors deployed over
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© 1998 American Institute of Physics
