Abnormal Zenithal Distribution of Cosmic Rays


MANY experimenters, and especially Auger and Ehrenfest, have shown that the intensity of cosmic rays, measured by counter coincidences, at different zenithal angles, is different from what it should be as deduced from the variation of vertical intensity at various heights in the atmosphere.

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COSYNS, M. Abnormal Zenithal Distribution of Cosmic Rays. Nature 140, 931 (1937). https://doi.org/10.1038/140931a0

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