Abstract
It is shown that the observed characteristic of cosmic-ray air showers is not inconsistent with the hypothesis that the initiating primary particles cannot be charged dust grains of radii (3×10−6∼3×10−5 cm).
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Dasgupta, A.K. Conundrum of high energy (>1018eV) cosmic ray particles. Astrophys Space Sci 79, 153–158 (1981). https://doi.org/10.1007/BF00655912
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DOI: https://doi.org/10.1007/BF00655912