Development and commissioning of a technological prototype of a highly-granular scintillator-based electromagnetic calorimeter

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 : 2025-01-27 DOI:10.1016/j.nima.2025.170237

Yazhou Niu , Shensen Zhao , Naoki Tsuji , Anshun Zhou , Yukun Shi , Yunlong Zhang , Zhigang Wang , Zhongtao Shen , Mingyi Dong , Ruijie Wang , Ryunosuke Masuda , Tatsuki Murata , Jianbei Liu , Shubin Liu , Wataru Ootani , Tohru Takeshita , Yong Liu

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Abstract

Several future Higgs factories, which are based on the electron-positron collider, have been planned for precise measurements of Higgs boson properties. The calorimetry with particle flow algorithm (PFA), which requires a high-granularity calorimeter system, plays a crucial role in achieving precise Higgs boson measurements. The Sc-ECAL, an electromagnetic calorimeter based on scintillator strips read out by SiPMs, has been developed within the framework of the CALICE collaboration as one of the technology options for the PFA-oriented ECAL at the future Higgs factories. To demonstrate the performance and scalability of the Sc-ECAL to a full-scale detector, a technological prototype has been constructed and tested. The Sc-ECAL prototype consists of 30 sampling sensitive layers with transverse dimensions of

22 \times 22 {cm}^{2}

, a depth of approximately 22 radiation lengths, and a total of 6300 individual readout channels. This article describes the design and construction of the prototype, as well as the results from the commissioning using LED light injection and data taking with cosmic rays, where excellent performance has been demonstrated.

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基于高颗粒闪烁体的电磁量热计技术原型的开发和调试

未来的几个希格斯工厂，将以正电子对撞机为基础，计划用于精确测量希格斯玻色子的性质。粒子流算法量热法在精确测量希格斯玻色子中起着至关重要的作用，它需要一个高粒度的量热系统。Sc-ECAL是一种基于闪烁体条的电磁量热计，它是在CALICE合作的框架内开发的，作为未来希格斯工厂中面向pfa的ECAL的技术选择之一。为了证明Sc-ECAL在全尺寸探测器上的性能和可扩展性，已经构建了一个技术原型并进行了测试。Sc-ECAL原型由30个采样敏感层组成，横向尺寸为22×22cm2，深度约为22个辐射长度，总共有6300个单独的读出通道。本文介绍了样机的设计和构造，以及使用LED光注入和宇宙射线数据采集的调试结果，并证明了优异的性能。

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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.