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本文叙述了一种用于测量中子剂量的“直接相互作用”型的CR-39塑料反冲径迹个人中子剂量计。该剂量计对~(241)Am-Be源的中子注量灵敏度约为(2.10±0.05)×10~(-4)径迹/n,可探测的中子注量下限约等于2.11×10~5n/cm~3,相应的中子剂量当量为7.81×10~(-5)Sv。总误差估计不超过±20%。
This article describes a “direct interaction” type of CR-39 plastic recoil track personal neutron dosimeter for measuring neutron doses. The sensitivity of neutron fluence to ~ (241) Am-Be source is about (2.10 ± 0.05) × 10 ~ (-4) track / n, and the lower limit of detectable neutron flux is equal to 2.11 × 10 ~ 5n / cm ~ 3, the corresponding neutron dose equivalent is 7.81 × 10 ~ (-5) Sv. The total error is estimated to not exceed ± 20%.