| ZHANG Xiao-min,PAN Jie,NING Jing,et al.Theoretical design of an epithermal neutron beam for boron neutron capture therapy[J].Chinese Journal of Radiological Medicine and Protection,2010,30(2):116-119 |
| Theoretical design of an epithermal neutron beam for boron neutron capture therapy |
| Received:June 22, 2009 |
| DOI： |
| KeyWords:BNCT Monte Carlo method simulation and calculation Epithermal neutron radiation field |
| FundProject:国家自然科学基金(10705052) |
| Author Name | Affiliation | E-mail | | ZHANG Xiao-min | Beijing Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China | | | PAN Jie | Beijing Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China | | | NING Jing | Beijing Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China | | | XIE Xiang-dong | Beijing Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China | | | YANG Guo-shan | Beijing Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China | yanggs@nic.bmi.ac.cn |
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| Abstract:: |
| Objective To design a scheme of epithermal neutron beam used for boron neutron capture therapy (BNCT).Methods Based on Tsinghua University experimental reactor and its No.1 passage, five schemes comprised of moderate materials, absorbing materials of thermal neutron and γ shielding materials were designed according to different locations of materials placed in No.1 passage. To select a proper scheme from five schemes, the neutron fluence rate, the neutron dose rate and γ dose rate at exit of beam in each scheme were calculated with Monte Carlo simulating methods and then contrasted with BNCT technique criterion.Results The scheme of epithermal neutron beam meeting technical requirements of BNCT was obtained, in which the thickness of moderate material, absorbing materials of thermal neutron and γ shielding materials are 53.5 cm, 2 mm and 9 cm, respectively.Conclusions The theoretical scheme could provide some reference to realize BNCT on reactor. |
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