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Physics NotePublished

Measurement of Fission Yields Using Target Materials in Contact with Solid State Track Detectors

O. A. P. Tavares

1990

Publication details

Authors
O. A. P. Tavares
Type
Physics Note
Status
Published
Publication date
1990
Description
A method to evaluate fission yields in experiments of induced and spontaneous fission which use fissionable target materials in the configuration of contact with dielectric track detectors has been developed. The effect of energy absorption of the fission fragments by the target sample, and the optical resolution power for observation of etched fission tracks are taken into account in deducing the total efficiency factors resulting from the use of targets of different thicknesses. With this method, the conditions to give the maximum observable density of etched tracks can be obtained, which is important to experiments of low fission yields. A number of useful formulae applicable to mica and plastic track detectors for evaluation of fission yields are reported. The method has been successfully applied to recent photofission experiments of low fission yields, and it can also be useful in the study of other fission cases as well as in applications to fission-related problems.
Year
1990
Number
CBPF-NF-015/90
Linked to a thesis
No
Linked to a grant
No
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