Fast neutron spectrometry and dosimetry using a spherical moderator with position-sensitive detectors
Taosheng Li1, Lianzhen Yang, Jizeng Ma
1Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, People's Republic of China. taoshengli4465@sina.com
Abstract:
A neutron spectrometry and dosimetry measurement system has been developed based on a different design of the divided regions for a sphere, with three position-sensitive counters. The characteristics of the measurement system have been investigated in the reference radiation fields of Am-Be and (252)Cf sources. When realistic input spectra are used for the unfolding, the overall deviations of the calculated results for four dosimetric quantities are less than +/-10%. The results of other input spectra are also discussed in this report.
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