Fast neutron dosimetry using CR-39 track detectors with polyethylene as radiator
F Castillo, G Espinosa, JI Golzarri, D Osorio… - Radiation …, 2013 - Elsevier
The chemical etching parameters (etching time, temperature, normality of etchant, etc.) for
the use of CR-39 (allyl diglycol carbonate–Lantrack®) as a fast neutron dosimeter have
been optimized. The CR-39 chips, placed under a 1.5 mm polyethylene radiator, were
exposed for calibration to an 241Am-Be source at different time intervals for a given neutron
fluence. After several chemical etching processes of the detectors with different conditions,
the optimum characteristics for the chemical etching were found at 6N KOH solution, 60±1° …
the use of CR-39 (allyl diglycol carbonate–Lantrack®) as a fast neutron dosimeter have
been optimized. The CR-39 chips, placed under a 1.5 mm polyethylene radiator, were
exposed for calibration to an 241Am-Be source at different time intervals for a given neutron
fluence. After several chemical etching processes of the detectors with different conditions,
the optimum characteristics for the chemical etching were found at 6N KOH solution, 60±1° …
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