用于衰变能量谱分析的过渡边缘传感器的特性分析

IF 1.1 3区物理与天体物理 Q4 PHYSICS, APPLIED

Journal of Low Temperature Physics Pub Date : 2024-05-16 DOI:10.1007/s10909-024-03135-9

Max Carlson, Ryan Fitzgerald, Dan Schmidt, Galen O’Neil

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引用次数: 0

摘要

通过使用超导跃迁边缘传感器（TES）以高能量分辨率测量单个衰变事件的热能，衰变能谱仪提供了一个独特的指纹来识别样品中的每种放射性核素。拟议的测量需要优化探测器的热参数，以便与样品放射性核素阿尔法衰变沉积的 5 MeV 级能量配合使用。利用板载电阻加热器对深蚀刻硅 TES 芯片的热性能进行了检验。在已知加热器功率和熔池温度的情况下，计算出热导率、热容量和框架温度，并与理论进行比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Characterization of Transition Edge Sensors for Decay Energy Spectrometry

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Characterization of Transition Edge Sensors for Decay Energy Spectrometry

By using a superconducting transition edge sensor (TES) to measure the thermal energy of individual decay events with high energy resolution, decay energy spectrometry provides a unique fingerprint to identify each radionuclide in a sample. The proposed measurement requires optimizing the thermal parameters of the detector for use with 5 MeV scale energy deposited by alpha decay of the sample radionuclides. The thermal performance of deep-etched silicon TES chips is examined with the use of an onboard resistive heater. With known heater power and bath temperature, the thermal conductance, heat capacity, and frame temperature are calculated and compared to theory.

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来源期刊

Journal of Low Temperature Physics 物理-物理：凝聚态物理

CiteScore

3.30

自引率

25.00%

发文量

245

审稿时长

1 months

期刊介绍： The Journal of Low Temperature Physics publishes original papers and review articles on all areas of low temperature physics and cryogenics, including theoretical and experimental contributions. Subject areas include: Quantum solids, liquids and gases; Superfluidity; Superconductivity; Condensed matter physics; Experimental techniques; The Journal encourages the submission of Rapid Communications and Special Issues.