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arXiv 1106.3902physics.ins-dethep-ex
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CUORE测辐射热探测器的信号和噪声模拟

Signal and noise simulation of CUORE bolometric detectors

M. Carrettoni, M. Vignati

摘要:

测辐射热探测器用于粒子物理实验,以寻找罕见的过程,如无中微子双β衰变和暗物质相互作用。通过在低温下工作,它们能够探测从几keV到几MeV的粒子能量,测量释放能量产生的温升。这项工作的重点是CUORE实验的测辐射热计,这是由TeO $_2$晶体。这些探测器的响应与能量是非线性的,并随工作温度而变化。噪声依赖于工作条件,并且在低能量下显著影响能量分辨率和检测性能。我们提出了一个软件工具来模拟CUORE样测辐射热计的信号和噪声,包括工作温度漂移,非线性和堆积所产生的影响。模拟结果与实测数据吻合较好。

英文摘要:

Bolometric detectors are used in particle physics experiments to search for rare processes, such as neutrinoless double beta decay and dark matter interactions. By operating at cryogenic temperatures, they are able to detect particle energies from a few keV up to several MeV, measuring the temperature rise produced by the energy released. This work focusses on the bolometers of the CUORE experiment, which are made of TeO$_2$ crystals. The response of these detectors is nonlinear with energy and changes with the operating temperature. The noise depends on the working conditions and significantly affects the energy resolution and the detection performances at low energies. We present a software tool to simulate signal and noise of CUORE-like bolometers, including effects generated by operating temperature drifts, nonlinearities and pileups. The simulations agree well with data.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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