Abstract
IN an earlier communication from this laboratory1 a method of canalizing neutrons was described which made it possible to investigate the action of these particles at distances of a metre and upwards from weak sources. In the interval, apparatus capable of producing powerful beams of neutrons and penetrating X- or gamma rays has been developed in many laboratories.
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References
Hopwood and Chalmers, NATURE, 135, 341 (March 2, 1935). See also T. A. Chambers, Brit. J. Radiol., 8, No. 87, p. 163 (March 1935).
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HOPWOOD, F., BANKS, T. Canalization of Gamma Rays. Nature 141, 687 (1938). https://doi.org/10.1038/141687a0
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DOI: https://doi.org/10.1038/141687a0