中微子和暗物质实验的快速随机匹配追踪

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 : 2025-09-11 DOI:10.1016/j.nima.2025.170986

Yuyi Wang , Aiqiang Zhang , Yiyang Wu , Benda Xu , Xuewei Liu , Jiajie Chen , Zhe Wang , Shaomin Chen

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引用次数: 0

摘要

光电倍增管（pmt）广泛应用于中微子和暗物质实验中进行光子计数。当多个光子连续撞击PMT时，它们的光电子（PE）脉冲会堆积起来，阻碍计数和计时的精确测量。引入快速随机匹配追踪（FSMP），利用可逆跳马尔可夫链蒙特卡罗策略将PMT信号波形分析为单个pe。我们证明了FSMP提高了基于pmt的实验的能量和时间分辨率，并在gpu上获得了加速。它适用于微节点pmt，并可扩展到微通道板（MCP） pmt。在我们实验室表征8英寸mcp - pmt的条件下，FSMP比传统的波形积分方法提高了高达10%的能量分辨率。

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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The Fast Stochastic Matching Pursuit for neutrino and dark matter experiments

Photomultiplier tubes (PMTs) are widely deployed at neutrino and dark matter experiments for photon counting. When multiple photons hit a PMT consecutively, their photo-electron (PE) pulses pile up to hinder the precise measurements of the count and timings. We introduce Fast Stochastic Matching Pursuit (FSMP) to analyze the PMT signal waveforms into individual PEs with the strategy of reversible-jump Markov-chain Monte Carlo. We demonstrate that FSMP improves the energy and time resolution of PMT-based experiments and gains acceleration on GPUs. It is suitable for dynode PMTs, and is extensible to microchannel-plate (MCP) PMTs. In the condition of our laboratory characterization of 8-inch MCP-PMTs, FSMP improves the energy resolution by up to 10 % from the conventional method of waveform integration.

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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.