Abstract
Neddermeyer and Anderson1, on the basis of their experiments on the loss of energy by cosmic ray particles, have suggested that there are present in cosmic rays 'new' particles of mass greater than that of an electron and less than that of a proton. In this note we give additional evidence for such a particle (some of which has previously been reported by one of us at the Conferences on Physics in Copenhagen and Moscow in September 1937, the report at the latter being published), of a type which has also been put forward by other workers since the appearance of Neddermeyer and Anderson's paper.
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References
Neddermeyer and Anderson, Phys. Rev., 51, 884 (1937).
Kunze, Z. Phys., 83, 1 (1933).
Williams, Phys. Rev., 45, 729 (1934).
Street and Stevenson, Phys. Rev., 52, 1003 (1937).
Ruhlig and Crane, Phys. Rev., 53, 266 (1938).
Nishina, Takeuchi and Ichimiya, Phys. Rev., 52, 1198 (1937).
Corson and Brode, Abstract, Stanford Meeting, Dec. 18, 1937.
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WILLIAMS, E., PICKUP, E. Heavy Electrons in Cosmic Rays. Nature 141, 684–685 (1938). https://doi.org/10.1038/141684a0
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DOI: https://doi.org/10.1038/141684a0
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