Abstract
A study of the cosmic ray muon intensity underground in London has revealed small sidereal variations which can be explained in terms of solar motion.
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SPELLER, R., THAMBYAHPILLAI, T. & ELLIOT, H. Cosmic Ray Isotropy and the Origin Problem. Nature 235, 25–29 (1972). https://doi.org/10.1038/235025a0
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DOI: https://doi.org/10.1038/235025a0
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