Establishment of Database of CR-39 Track Detector Response to Light Ions
CR-39轨道探测器轻离子响应数据库的建立
基本信息
- 批准号:12680511
- 负责人:
- 金额:$ 2.3万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2000
- 资助国家:日本
- 起止时间:2000 至 2002
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The solid state nuclear track detector (SSNTD) shows its characteristic feature in personal dosimetry for crews in space shuttles, separate measurement of charged particles emitted from laser-induced plasmas and many other research fields. It is indispensable for such applications to utilize well-defined data of fundamental response of SSNTDs to charged particles. In the present, however, there remains a serious problem of no common database. It is the main purpose of this research to establish a reliable database for light ions through international comparison among Universite de Franche-Conte (UFC), France, Dresden University of Technology (DUT), Germany and Kobe University of Mercantile Marine (KUMM), Japan.At first, all the data for proton (p), deuteron (d), triton (t) and alpha-particle (α), obtained by 1999, were checked and compiled including some new data from additional experiments.The CR-39 samples irradiated by lithium ions (Li) with energies of 4.8, 6.8 and 10.8 MeV were distributed in three teams, and then processed and analyzed independently. All data were consistent with each team. We also found out that the response function depended slightly upon the incident energy. It was considered to be caused by an existence of less sensitive layer near the surface.Finally, the response of CR-39 detector to carbon ions (C) upto 22.5 MeV was evaluated in 2002. The deviation among three teams was enlarged, especially near the endpoint of the ion trajectory. It would be related with a steep change in the track etch rate along the ion pass. We improved the response data by introducing the multi-stage etching technique and taking a shorter etching interval.
固体核径迹探测器(SSNTD)在航天飞机乘员个人剂量测量、激光等离子体发射带电粒子的分离测量等许多研究领域显示出其独特的功能。利用SSNTD对带电粒子的基本响应的定义明确的数据对于这样的应用是必不可少的。然而,目前仍然存在没有共同数据库的严重问题。本研究的主要目的是通过法国UFC、德国Dresden University of Technology和日本科比University of Mercantile Marine的国际比对,建立一个可靠的轻离子数据库。对CR-39样品分别进行了能量为4.8,6.8,10.8MeV的锂离子辐照处理,并分别进行了处理和分析。所有数据与每个团队一致。我们还发现,响应函数略有依赖于入射能量。最后,在2002年对CR-39探测器对22.5MeV以下碳离子(C)的响应进行了评估。三个团队之间的偏差有所扩大,特别是在离子轨迹的终点附近。这将与轨道蚀刻速率沿离子通道沿着的急剧变化有关。通过引入多级腐蚀技术和缩短腐蚀间隔,提高了响应数据。
项目成果
期刊论文数量(36)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
K.Oda et al.: "Radiator effect on plastic nuclear track detectors for high-energy neutron"Radiation Measurements. 36・1-6(in press). (2003)
K.Oda 等:“辐射体对高能中子塑料核径迹探测器的影响”36・1-6(出版中)。
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- 影响因子:0
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T.Yamauchi et al.: "Surface layer in CR-39 plastic track detector where the bulk etch rate is enhanced"Radiation Measurements. 37[2]. 119-125 (2003)
T.Yamauchi 等人:“CR-39 塑料轨迹探测器的表面层,其中整体蚀刻速率得到增强”辐射测量。
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- 影响因子:0
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T.Yamauchi et al.: "Inter-comparison of geometrical track parameters and depth dependent track etch rate measured for Li-7 ions in two types of CR-39"Radiation Measurements. Vol.34, Nos.1-6. 37-43 (2001)
T.Yamauchi 等人:“在两种类型的 CR-39 辐射测量中测量的 Li-7 离子的几何径迹参数和深度相关径迹蚀刻速率的相互比较”。
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- 影响因子:0
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K.Oda et al.: "Improvement of neutron detection efficiency with high-sensitive CR-39 track detector"Radiation Measurements. Vol.34, Nos.1-6. 171-175 (2001)
K.Oda 等人:“使用高灵敏度 CR-39 径迹探测器提高中子探测效率”辐射测量。
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- 影响因子:0
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一定弘毅 他: "軽イオンに対するCR-39飛跡検出器の特性評価"放射線. 27[4]. 7-18 (2001)
Hiroki Isada 等人:“轻离子 CR-39 径迹检测器的特性评估”放射学 27[4](2001 年)。
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{{ truncateString('ODA Keiji', 18)}}的其他基金
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24360396 - 财政年份:2012
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$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
DEVELOPMENT OF PERSONAL DOSIMETRY SYSTEM RESPONSIBLE FOR HIGH-ENERGY NEUTRONS USING SPECIALLY DESIGNED RADIATORS
使用专门设计的辐射器开发负责高能中子的个人剂量测定系统
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18360457 - 财政年份:2005
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Characteristics of Formation of Nanometer-Size Tracks and Application to Dosimetry of High-LET Radiation
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15560727 - 财政年份:2003
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$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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