利用牙本质和牙釉质联合使用进行红细胞沉降率（ESR）研究，以估算混合场中的光子和中子剂量成分。

ESR investigation of joint use of dentin and tooth enamel to estimate photon and neutron dose components of a mixed field.

作者信息

Trompier F, Tikunov D D, Ivannikov A, Clairand I

机构信息

Institut de Radioprotection et de Sûreté Nucléaire (IRSN), BP 17, F-92262 Fontenay-aux-Roses Cedex, FRANCE.

出版信息

Radiat Prot Dosimetry. 2006;120(1-4):191-6. doi: 10.1093/rpd/nci650. Epub 2006 May 30.

DOI:10.1093/rpd/nci650

PMID:16735563

Abstract

In the case of mixed photon and neutron field, estimation of photon and neutron dose components from the ESR signal of tooth enamel alone is impossible. To differentiate neutron and photon components using the method described in ICRU 26 for twin chambers, enamel and dentin sensitivities to photon and to neutron were investigated. Enamel and dentin relative sensitivities were, respectively, estimated at 0.03 +/- 0.02 and 0.14 +/- 0.10 for fission neutrons. Basing on this result, calculation of neutron and photon doses was performed in realistic case of criticality accident. Estimation of neutron and photon dose components was found in good agreement with reference dosimetry.

摘要

在混合光子和中子场的情况下，仅根据牙釉质的电子自旋共振信号来估算光子和中子剂量成分是不可能的。为了使用ICRU 26中描述的双腔室方法区分中子和光子成分，研究了牙釉质和牙本质对光子和中子的敏感性。对于裂变中子，牙釉质和牙本质的相对敏感性分别估计为0.03±0.02和0.14±0.10。基于这一结果，在临界事故的实际情况下进行了中子和光子剂量的计算。发现中子和光子剂量成分的估计值与参考剂量测定法高度一致。