Characteristics of optically stimulated luminescent dosimeter of beryllium oxide in BNCT irradiation field

被引：2
|
作者：
Matsubayashi, Nishiki [1 ]
Hu, Naonori [2 ,3 ]
Takata, Takushi [2 ]
Sasaki, Akinori [1 ]
Mukawa, Tetsuya [4 ]
Suga, Keita [4 ]
Sakurai, Yoshinori [2 ]
Tanaka, Hiroki [2 ]
机构：
[1] Kyoto Univ, Kyoto Univ Katsura, Grad Sch Engn, Kyoto Nishikyo Ku, Kyoto 6158246, Japan
[2] Kyoto Univ, Inst Integrated Radiat & Nucl Sci, Particle Radiat Oncol Res Ctr, 2-Asashiro Nishi, Kumatori, Osaka 5900494, Japan
[3] Osaka Med & Pharmaceut Univ, Educ Fdn, Kansai BNCT Med Ctr, Daigakumachi, Takatsuki, Osaka 5690801, Japan
[4] Sumitomo Heavy Ind Ltd, Osaki Shinagawa, Tokyo 1416025, Japan
来源：
RADIATION MEASUREMENTS | 2023年 / 161卷
关键词：
Boron neutron capture therapy; BNCT; Optically stimulated luminescent dosimeter; Beryllium oxide; OSLD; NEUTRON-CAPTURE THERAPY; RECURRENT; FACILITY; SYSTEM; HEAD;
D O I：
10.1016/j.radmeas.2023.106900
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The irradiation fields in boron neutron capture therapy (BNCT) consist of neutrons with a wide energy range and undesired high-intensity gamma-rays. As the thermoluminescent dosimeter (TLD) used for BNCT dosimetry is out of production, a new type of gamma-ray dosimeter is required for the quality assurance (QA) of the treatment. Therefore, in this study, an optically stimulated luminescent dosimeter (OSLD) made of BeO ceramic was selected and its use in the field of BNCT was investigated. The performance of the dosimeter was tested and the effect of a thermal neutron on the gamma-ray dose obtained by the OSLD was measured. The OSLDs had a good gamma-ray dose linearity of approximately 300 mGy corresponding to the dose in the quality assurance procedure of BNCT, and the thermal neutron sensitivity of the OSLD was less than that of TLD.
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页数：5
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