Prototype TOF-tracker MRPC for timing and position measurement in the J-PARC MARQ experiment

IF 1.5 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 : 2025-04-22 DOI:10.1016/j.nima.2025.170517

Natsuki Tomida , Ryotaro Koike , Ryusuke Uda , Futaba Hayashi , Atsushi Sakaguchi , Chia-Yu Hsieh , Ken Suzuki , Kotaro Shirotori , Ming-Lee Chu , Rintaro Okazaki , Wen-Chen Chang

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引用次数: 0

Abstract

We developed a prototype Multi-gap Resistive Plate Chamber (MRPC) to measure timing and position of particles simultaneously for the J-PARC MARQ experiment. The prototype MRPC has an active area of 500 × 1000 mm

^{2}

and features a single-stack configuration with five 0.26 mm gas gaps. To enable two-dimensional position readout, the detector is equipped with orthogonal readout strips. The strip pitch is set to 5 mm, ensuring a high spatial resolution. The performance of the prototype MRPC was evaluated using particle beams, achieving over 99

%

efficiency, a time resolution of 65 ps, and a position resolution of 0.77 mm in the best case.

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J-PARC MARQ实验中TOF-tracker MRPC的定时和位置测量原型

为J-PARC MARQ实验设计了一种多间隙电阻板腔（MRPC），用于同时测量粒子的时间和位置。原型MRPC的活动面积为500 × 1000 mm2，具有单堆叠配置，具有5个0.26 mm气隙。为了实现二维位置读出，探测器配有正交读出条。条带间距设置为5mm，确保高空间分辨率。使用粒子束对原型MRPC的性能进行了评估，在最佳情况下，效率超过99%，时间分辨率为65 ps，位置分辨率为0.77 mm。

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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.