首页> 外文期刊>Radiation Protection Dosimetry >RESPONSES OF TLD Mg_2SiO_4:Tb AND RADIOPHOTOLUMINESCENT GLASS TO HEAVY CHARGED PARTICLES AND SPACE RADIATION
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RESPONSES OF TLD Mg_2SiO_4:Tb AND RADIOPHOTOLUMINESCENT GLASS TO HEAVY CHARGED PARTICLES AND SPACE RADIATION

机译:TLD Mg_2SiO_4:Tb和放射光致发光玻璃对重荷颗粒和空间辐射的响应

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摘要

The LET dependences of thermoluminescence dosemeters of Mg_2SiO_4:Tb (TLMS) and radiophotoluminescent glass dosemeters (RPLG) were examined using high energy, heavy ion beams. TLMS kept its efficiency below 10 keV.μm~(-1) and decreased almost linearly with the logarithm of LET for higher LET particles. The efficiency of RPLG decreased more gradually than TLMS although its reduction was observed at a lower LET region around 0.5 keV.μm~(-1). Accordingly, the ratio of TLMS to RPLG value showed a maximum peak around 20 keV.μ m~(-1) of LET. The results obtained with both dosemeters in the 40 day space mission in the Russian space station Mir showed that not only dose level but also radiation quality were varying considerably in the Mir Core Module.
机译:Mg_2SiO_4:Tb(TLMS)和放射光致发光玻璃剂量计(RPLG)的热致发光剂量计的LET依赖性使用高能重离子束进行了研究。 TLMS的效率保持在10keV.μm〜(-1)以下,对于更高的LET粒子,其效率几乎与LET的对数线性下降。尽管在0.5keV.μm〜(-1)附近的较低LET区域观察到RPLG的效率下降,但它比TLMS的下降更为缓慢。因此,TLMS与RPLG值之比在LET的20keV.μm〜(-1)附近出现最大峰值。在俄罗斯空间站Mir进行的40天太空飞行中,使用这两种剂量计获得的结果都表明,在Mir核心模块中,不仅剂量水平而且辐射质量也有很大差异。

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