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Photo-electric Measurements of the Density of Tracks in Nuclear Emulsions

1950; Nature Portfolio; Volume: 166; Issue: 4225 Linguagem: Inglês

10.1038/166686a0

1476-4687

Sten von Friesen, K. Kristiansson,

Nuclear reactor physics and engineering

GRAIN-COUNTING is an important method for the study of charged particles in photographic emulsions. The method is well suited for the Ilford C 2 emulsion and others of a similar kind, but does not work for heavily ionizing particles in electron-sensitive emulsions, for example, the Ilford G 5. We have measured the density of the tracks in such cases by a photo-electric method.