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Study on patient-induced radioactivity during proton treatment in hengjian proton medical facility
Wu QB(吴青彪); Wang QB(王庆斌); Liang TJ(梁天骄); Zhang G(张刚); Ma YL(马应林); Chen Y(陈宇); Ye R(叶榕); Liu QY(刘琼瑶); Wang YF(王宇飞); Wang HB(王怀宝); Wu, QB; Wang, QB; Liang, TJ; Zhang, G; Ma, YL; Chen, Y; Ye, R; Liu, QY; Wang, YF; Wang, HB
2016
Source PublicationAPPLIED RADIATION AND ISOTOPES
ISSN0969-8043
Volume115Pages:235-250
Corresponding Author吴青彪
SubtypeArticle
AbstractAt present, increasingly more proton medical facilities have been established globally for better curative effect and less side effect in tumor treatment. Compared with electron and photon, proton delivers more energy and dose at its end of range (Bragg peak), and has less lateral scattering for its much larger mass. However, proton is much easier to produce neutron and induced radioactivity, which makes radiation protection for proton accelerators more difficult than for electron accelerators. This study focuses on the problem of patient-induced radioactivity during proton treatment, which has been ignored for years. However, we confirmed it is a vital factor for radiation protection to both patient escort and positioning technician, by FLUKA's simulation and activation formula calculation of Hengjian Proton Medical Facility (HJPMF), whose energy ranges from 130 to 230 MeV. Furthermore, new formulas for calculating the activity buildup process of periodic irradiation were derived and used to study the relationship between saturation degree and half-life of nuclides. Finally, suggestions are put forward to lessen the radiation hazard from patient-induced radioactivity. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordInduced radioactivity Patient Proton FLUKA dose Activation O-15 Buildup Saturation degree
Subject AreaChemistry; Nuclear Science & Technology; Radiology, Nuclear Medicine & Medical Imaging
DOI10.1016/j.apradiso.2016.06.029
Indexed BySCI ; EI
Language英语
WOS SubjectChemistry, Inorganic & Nuclear ; Nuclear Science & Technology ; Radiology, Nuclear Medicine & Medical Imaging
WOS IDWOS:000382594900036
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/260192
Collection东莞研究部
加速器中心
中国科学院高能物理研究所_中国散裂中子源
Affiliation中国科学院高能物理研究所
Recommended Citation
GB/T 7714
Wu QB,Wang QB,Liang TJ,et al. Study on patient-induced radioactivity during proton treatment in hengjian proton medical facility[J]. APPLIED RADIATION AND ISOTOPES,2016,115:235-250.
APA 吴青彪.,王庆斌.,梁天骄.,张刚.,马应林.,...&Wang, HB.(2016).Study on patient-induced radioactivity during proton treatment in hengjian proton medical facility.APPLIED RADIATION AND ISOTOPES,115,235-250.
MLA 吴青彪,et al."Study on patient-induced radioactivity during proton treatment in hengjian proton medical facility".APPLIED RADIATION AND ISOTOPES 115(2016):235-250.
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