Personnel neutron dosimetry in criticality accidents - a new approach

Studies are undertaken on the various aspects of personnel neutron dosimetry in criticality accidents. A fast neutron dosimetry system based on threshold activation and charged particle track-etching methods was developed. Resonance activation was employed for intermediate energy neutron dose measurements. The detectorless gap between the energy regions covered by resonance and threshold detectors was bridged by resorting to extrapolation based on the knowledge of typical neutron spectra likely to be encountered in criticality accidents. (Auth.)