Alpha-Particles from Fission as Recorded by Photographic Emulsions
Open Access
- 1 May 1949
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 75 (9), 1339-1344
- https://doi.org/10.1103/physrev.75.1339
Abstract
Eighty long range alpha-particles coincident with fission have been observed in photographic plates. There is a tendency for the alpha-particles to emerge with greatest energy at an angle slightly greater than 90° from the heavy fragment. In accordance with previous observers, it is found that most alpha-particles emerge approximately perpendicular. It is also found that the majority form an angle slightly obtuse to the heavy fragment. The energy of the alpha-particles is found to be derived largely from the kinetic energy of the fission fragments. The alpha-emitting fissions have approximately the same mass ratio as do normal fissions.
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