基于固体径迹探测的中子个人剂量计性能研究

Abstract

Abstract: As a passive personal neutron dosimeter, CR-39 solid state nuclear track detector is convenient, cheap, insensitive to gamma and beta rays and has strong anti-interference ability, and better response to fast neutrons. A new personal neutron dosimeter has been developed combining with two measurement methods of CR-39 and albedo thermoluminescence dosimeter. Performance experiments are carried out on the CR-39 detector according to the international standard ISO 21909-1. The results show that the CR-39 solid state nuclear track detector has good repeatability, batch homogeneity, dose linearity, stability, response of reference radiation field and no photon-sensitivity. The detection threshold and uncertainty of dose measurement are presented in this paper. It provides an experimental data reference for the introduction of international standard.

Key words: external exposure, neutron, personal dosimeter, CR-39

CLC Number:

TL818+.1

JIAO Yan, CAO Qinjian, WEI Xiaofeng, XU Yuan, ZHAO Yuan, LIU Liye. A performance study of a new personal neutron dosimeter based on SSNTD[J].RADIATION PROTECTION, 2024, 44(1): 33-41.

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A performance study of a new personal neutron dosimeter based on SSNTD

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