Development of a Gamma-Ray Detector With Iridium Transition Edge Sensor Coupled to a Pb Absorber

Development of a Gamma-Ray Detector With Iridium Transition Edge Sensor Coupled to a Pb Absorber
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开发具有与铅吸收器耦合的铱跃迁边缘传感器的伽马射线探测器

DOI:
10.1109/tasc.2009.2019295
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发表时间:
2009
影响因子:
1.8
通讯作者:
N. Iyomoto
N. Iyomoto
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
R. Damayanthi;S. Leman;H. Takahashi;M. Ohno;Y. Minamikawa;K. Nishimura;N. Iyomoto

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我们最近开始开发一种用于材料缺陷分析的高分辨率伽马射线能谱仪。我们的伽马射线探测器是一种微量热计,由一个Ir/金双层过渡边缘传感器(TES)温度计和一个体铅吸收体组成,后者直接连接到带有Stycast 2850FT环氧树脂的TES。本文介绍了我们研制的基于TES的伽马射线探测器,以及对662keV和1173keV入射伽马射线的首次实验结果。我们报道了在662keV和1173keV的能量分辨率分别为4.7keV和2.9keV。
We have recently started to develop a high-resolution gamma-ray spectrometer for material defect analysis. Our gamma-ray detector is a microcalorimeter consisting of an iridium/gold bilayer transition edge sensor (TES) thermometer and a bulk Pb absorber, which is directly coupled to a TES with Stycast 2850FT epoxy. This paper describes our TES based gamma-ray detector and the first experimental results for 662 keV and 1173 keV incident gamma-rays. We report an energy resolution of 4.7 keV at 662 keV and 2.9 keV at 1173 keV.