Millikelvin-precision temperature sensing for advanced cryogenic detectors

IF 1.4 3区物理与天体物理 Q3 INSTRUMENTS & INSTRUMENTATION

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-10-13 DOI:10.1016/j.nima.2025.171062

M. Antonova , J. Capó , A. Cervera , P. Fernández , M.Á. García-Peris , X. Pons

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引用次数: 0

Abstract

Precise temperature monitoring—to the level of a few millikelvin—is essential for the operation of large-scale cryostats requiring a recirculation system. In particular, the performance of Liquid Argon Time Projection Chambers—such as those planned for the DUNE experiment—strongly relies on proper argon purification and mixing, which can be characterized by a sufficiently dense grid of high-precision temperature probes. In this article, we describe the key components of a novel temperature monitoring system developed for a prototype of the DUNE experiment. In particular, a new technique for the cross-calibration of Resistance Temperature Detectors in cryogenic liquids will be presented in detail. This calibration has enabled the validation and optimization of the system’s components, achieving an unprecedented relative precision better than 3 mK.

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用于先进低温探测器的密开尔文精度温度传感

精确的温度监测——达到几毫开尔文的水平——对于需要再循环系统的大型低温恒温器的操作是必不可少的。特别是，液态氩气时间投影室（如DUNE实验计划的那些）的性能强烈依赖于适当的氩气净化和混合，这可以通过高精度温度探头的足够密集的网格来表征。在本文中，我们描述了为DUNE实验原型开发的新型温度监测系统的关键组件。重点介绍了一种用于低温液体中电阻温度检测器交叉校准的新技术。该校准能够验证和优化系统组件，实现前所未有的相对精度，优于3 mK。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment 物理-光谱学

CiteScore

3.20

自引率

21.40%

发文量

787

审稿时长

1 months

期刊介绍： Section A of Nuclear Instruments and Methods in Physics Research publishes papers on design, manufacturing and performance of scientific instruments with an emphasis on large scale facilities. This includes the development of particle accelerators, ion sources, beam transport systems and target arrangements as well as the use of secondary phenomena such as synchrotron radiation and free electron lasers. It also includes all types of instrumentation for the detection and spectrometry of radiations from high energy processes and nuclear decays, as well as instrumentation for experiments at nuclear reactors. Specialized electronics for nuclear and other types of spectrometry as well as computerization of measurements and control systems in this area also find their place in the A section. Theoretical as well as experimental papers are accepted.