High fluence neutron dosimetry method

Induced nuclear reactions: processes – systems – and elements – Detection of radiation by an induced nuclear reaction

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250390, 376154, G01T 300

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active

047298669

ABSTRACT:
A high fluence neutron dosimetry method is described, including the steps of: exposing a dosimeter containing an alpha-emitting target isotope to neutron irradiation to form an alpha-emitting product isotope; determining the alpha decay rates of the target nucleus and the product nucleus; and using known alpha decay constants for the target nucleus and the product nucleus and the determined alpha decay rates of the target nucleus and the product nucleus to determine the neutron capture rate of the product nucleus.

REFERENCES:
patent: 3604931 (1971-09-01), Kastner et al.
patent: 3735135 (1973-05-01), Bredoux et al.
Analytical Chemistry, vol 48, No. 14, Dec. 1976, pp. 2135-2139, Center et al.
The Review of Scientific Instruments, vol 41, No. 11, Nov. 1970, pp. 1539-1543.
Frank H. Ruddy et al., "Standardized Physics-Dosimetry for U.S. Pressure Vessel Cavity Surveillance Programs, " Fifth International, ASTM-Euratom Symposium on Reactor Dosimetry, Geesthacht, HEDL-SA-3095, Sep. 1984.

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