| SegmentedHPGe平面型位置灵敏探测器阵列的γ成像分析 |
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| 引用本文： | 郑勇,周小红,马飞,陈亮,张玉虎,雷祥国,S. SHIMOURA. SegmentedHPGe平面型位置灵敏探测器阵列的γ成像分析[J]. 中国科学:物理学 力学 天文学, 2010, 0(6): 748-752 |
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| 作者姓名： | 郑勇 周小红 马飞 陈亮 张玉虎 雷祥国 S. SHIMOURA |
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| 作者单位： | [1]中国科学院近代物理研究所,兰州730000 [2]中国科学院研究生院,北京100190 [3]Center for Nuclear Study, University of Tokyo, Saitama 351-0198, Japan |
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| 基金项目： | 国家自然科学基金资助项目（批准号：10805058）致谢作者感谢日本东京大学原子核研究中心提供的设备及所属的核结构组给予的建设性讨论. |
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| 摘 要： | 探测器位置分辨能力的高低是实现γ成像的一个重要指标．SegmentedHPGe平面型位置灵敏探测器能够很好地给出γ射线与探测器晶体相互作用的作用点位置信息．利用由这种探测器组成的探测器阵列对22Na标准源进行了γ成像实验．结果能够区分出标准源两个不同的摆放位置的细微差别，并与实际情况符合得很好．从而检验了SegmentedHPGe平面型位置灵敏探测器的位置分辨能力．
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| 关 键 词： | Segmented HPGe 探测器阵列 位置分辨能力 γ成像 标准源 |
Gamma-ray imaging analysis by using array of segmented planar HPGe detectors |
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| Affiliation: | ZHENG Yong, ZHOU XiaoHong, MA Fei, CHEN Liang, ZHANG YuHu, LEI XiangGuo, SHIMOURA S, IDEGUCHI E, OTA S ＆ NIIKURA M( 1 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China 2 Graduate University Chinese Academy of Sciences, Beijing 100190, China; 3 Center for Nuclear Study, University of Tokyo, Saitama 351-0198, Japan) |
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| Abstract: | Detector having high position sensitivity is a key factor to carry out γ-ray imaging successfully. Segmented planar HPGe detector with good position sensitivity can determine the location of the γ-ray interaction point in the detector. The γ-ray imaging experiment with the detector array of this type has been done by using a 22Na standard source. The two locations of the standard source with very small difference was reproduced quite well and the position-resolving power of the segmented planar HPGe detector was verified from the results. |
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| Keywords: | Segmented HPGe detector array position resovling power γ imaging standard source |
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