快中子辐照下KCl:Eu2+荧光粉与聚乙烯粉末混合物的贮存特性

2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC) Pub Date : 2012-10-01 DOI:10.1109/NSSMIC.2012.6551116

K. Sakasai, K. Toh, T. Nakamura, K. Takakura, C. Konno, Y. Iwamoto

{"title":"快中子辐照下KCl:Eu2+荧光粉与聚乙烯粉末混合物的贮存特性","authors":"K. Sakasai, K. Toh, T. Nakamura, K. Takakura, C. Konno, Y. Iwamoto","doi":"10.1109/NSSMIC.2012.6551116","DOIUrl":null,"url":null,"abstract":"Storage characteristics of mixtures of polyethylene powder and photostimulable phosphors such as KCI:EuH with low gamma-ray sensitivity were investigated in order to improve the spatial resolution when the mixtures were applied to fast neutron imaging. The maximum photostimulated luminescence yields were obtained at a KCI:EuH weight ratio of about 0.8 when the mixtures were irradiated by fast neutron with an energy of 14.8 MeV. These experimental results well agreed with theoretical predictions by Monte Carlo simulation using PHITS code. Estimated spatial resolution of the optimal mixture sample was 0.068 mm that was better than that obtained by conventional methods where the radiators are set in front of the phosphors. These mixtures will be usable for fast neutron imaging.","PeriodicalId":187728,"journal":{"name":"2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Storage characteristics of mixtures of KCl:Eu2+ phosphors and polyethylene powder by irradiation of fast neutrons\",\"authors\":\"K. Sakasai, K. Toh, T. Nakamura, K. Takakura, C. Konno, Y. Iwamoto\",\"doi\":\"10.1109/NSSMIC.2012.6551116\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Storage characteristics of mixtures of polyethylene powder and photostimulable phosphors such as KCI:EuH with low gamma-ray sensitivity were investigated in order to improve the spatial resolution when the mixtures were applied to fast neutron imaging. The maximum photostimulated luminescence yields were obtained at a KCI:EuH weight ratio of about 0.8 when the mixtures were irradiated by fast neutron with an energy of 14.8 MeV. These experimental results well agreed with theoretical predictions by Monte Carlo simulation using PHITS code. Estimated spatial resolution of the optimal mixture sample was 0.068 mm that was better than that obtained by conventional methods where the radiators are set in front of the phosphors. These mixtures will be usable for fast neutron imaging.\",\"PeriodicalId\":187728,\"journal\":{\"name\":\"2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC)\",\"volume\":\"29 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NSSMIC.2012.6551116\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NSSMIC.2012.6551116","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 2

摘要

为了提高用于快中子成像的空间分辨率，研究了聚乙烯粉末与低伽马射线灵敏度的光刺激荧光粉(KCI:EuH)混合物的存储特性。当能量为14.8 MeV的快中子辐照混合物时，在KCI:EuH质量比约为0.8时获得了最大的光激发光产率。这些实验结果与利用PHITS代码进行蒙特卡罗模拟的理论预测相吻合。估计最佳混合样品的空间分辨率为0.068 mm，优于将散热器设置在荧光粉前面的传统方法。这些混合物将可用于快中子成像。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Storage characteristics of mixtures of KCl:Eu2+ phosphors and polyethylene powder by irradiation of fast neutrons

Storage characteristics of mixtures of polyethylene powder and photostimulable phosphors such as KCI:EuH with low gamma-ray sensitivity were investigated in order to improve the spatial resolution when the mixtures were applied to fast neutron imaging. The maximum photostimulated luminescence yields were obtained at a KCI:EuH weight ratio of about 0.8 when the mixtures were irradiated by fast neutron with an energy of 14.8 MeV. These experimental results well agreed with theoretical predictions by Monte Carlo simulation using PHITS code. Estimated spatial resolution of the optimal mixture sample was 0.068 mm that was better than that obtained by conventional methods where the radiators are set in front of the phosphors. These mixtures will be usable for fast neutron imaging.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC)

自引率

0.00%

发文量