重离子径迹影像探测器研制及初步实验测试
研制了一套基于气体雪崩电离室和CCD（charge-coupled device）影像获取系统的重离子径迹影像探测器。利用^239Pu放出的α粒子,对所研制的重离子径迹影像探测器系统进行了初步的实验测试。测试结果显示,所研制的重离子径迹影像探测器系统能够成功地抓拍到α粒子的径迹,其径迹形貌与气体雪崩电离室中工作气体的气压、CCD相机的曝光时间等参数密切相关。对工作气体气压为15 hPa、曝光时间10 s的α粒子径迹影像数据分析表明,径迹分布呈轴对称,径迹宽度沿轴向逐渐减小,径迹影像的像点密度沿轴向逐渐增加。...
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| Published in | 核技术 Vol. 37; no. 8; pp. 42 - 48 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
兰州大学核科学与技术学院 兰州730000
2014
中国科学院近代物理研究所 兰州730000%兰州大学核科学与技术学院 兰州730000%中国科学院近代物理研究所 兰州730000 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-3219 |
| DOI | 10.11889/j.0253-3219.2014.hjs.37.080403 |
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| Abstract | 研制了一套基于气体雪崩电离室和CCD（charge-coupled device）影像获取系统的重离子径迹影像探测器。利用^239Pu放出的α粒子,对所研制的重离子径迹影像探测器系统进行了初步的实验测试。测试结果显示,所研制的重离子径迹影像探测器系统能够成功地抓拍到α粒子的径迹,其径迹形貌与气体雪崩电离室中工作气体的气压、CCD相机的曝光时间等参数密切相关。对工作气体气压为15 hPa、曝光时间10 s的α粒子径迹影像数据分析表明,径迹分布呈轴对称,径迹宽度沿轴向逐渐减小,径迹影像的像点密度沿轴向逐渐增加。 |
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| AbstractList | TL81; 研制了一套基于气体雪崩电离室和CCD (charge-coupled device)影像获取系统的重离子径迹影像探测器.利用239pu放出的α粒子,对所研制的重离子径迹影像探测器系统进行了初步的实验测试.测试结果显示,所研制的重离子径迹影像探测器系统能够成功地抓拍到α粒子的径迹,其径迹形貌与气体雪崩电离室中工作气体的气压、CCD相机的曝光时间等参数密切相关.对工作气体气压为15 hPa、曝光时间10s的α粒子径迹影像数据分析表明,径迹分布呈轴对称,径迹宽度沿轴向逐渐减小,径迹影像的像点密度沿轴向逐渐增加. 研制了一套基于气体雪崩电离室和CCD（charge-coupled device）影像获取系统的重离子径迹影像探测器。利用^239Pu放出的α粒子,对所研制的重离子径迹影像探测器系统进行了初步的实验测试。测试结果显示,所研制的重离子径迹影像探测器系统能够成功地抓拍到α粒子的径迹,其径迹形貌与气体雪崩电离室中工作气体的气压、CCD相机的曝光时间等参数密切相关。对工作气体气压为15 hPa、曝光时间10 s的α粒子径迹影像数据分析表明,径迹分布呈轴对称,径迹宽度沿轴向逐渐减小,径迹影像的像点密度沿轴向逐渐增加。 |
| Author | 闫思齐 卢小龙 党秉荣 段利敏 李文建 李占奎 宋海宏 严岩 韦峥 王洁 王俊润 姚泽恩 |
| AuthorAffiliation | 兰州大学核科学与技术学院,兰州730000 中国科学院近代物理研究所,兰州730000 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.11889/j.0253-3219.2014.hjs.37.080403 |
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| DocumentTitleAlternate | Development of a heavy ion track imaging detector and its preliminary experimental test |
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| EndPage | 48 |
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| Keywords | CCD (charge-coupled device) optical readout system 三乙胺(triethylamine,TEA) Heavy ion track TEA (triethylamine) 重离子径迹 CCD影像获取系统 气体雪崩电离室 Gas avalanche chamber |
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| Notes | Heavy ion track, Gas avalanche chamber, TEA （triethylamine）, CCD （charge-coupled device） optical readout system Background： Heavy ion track is one kind of very important information for diotherapy study. Purpose： The aim is to study the spatial distribution of the heavy ions energy deposition when they pass through certain matter, especially the biological tissue. Methods： A heavy ion track imaging detector system which is based on gas avalanche chamber and charge-coupled device （CCD） optical readout system was developed. Preliminary experimental test was performed, in which a particle radiated from ^239Pu was used as the incident particle. Results： a particle track imaging was achieved successfully. It is found that a particle track is closely related to the gas pressure in the avalanche chamber and the exposure time of the CCD camera. According to analyzing the data of a particle track under the condition of gas pressure equivalent to 15 hPa and exposure time equivalent to 10 s, it is proved that the track s |
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| PublicationTitleAlternate | Nuclear Techniques |
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| PublicationYear | 2014 |
| Publisher | 兰州大学核科学与技术学院 兰州730000 中国科学院近代物理研究所 兰州730000%兰州大学核科学与技术学院 兰州730000%中国科学院近代物理研究所 兰州730000 |
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| Snippet | 研制了一套基于气体雪崩电离室和CCD（charge-coupled device）影像获取系统的重离子径迹影像探测器。利用^239Pu放出的α粒子,对所研制的重离子径迹影像探测器系统进行了初步... TL81; 研制了一套基于气体雪崩电离室和CCD (charge-coupled device)影像获取系统的重离子径迹影像探测器.利用239pu放出的α粒子,对所研制的重离子径迹影像探测器系统进行了... |
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| SubjectTerms | CCD影像获取系统 三乙胺（triethylamine,TEA） 气体雪崩电离室 重离子径迹 |
| Title | 重离子径迹影像探测器研制及初步实验测试 |
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