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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2510.24196 |
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| _version_ | 1866911456345194496 |
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| author | Yang, Jijun Li, Ruize Cai, Chang Chen, Guocai Chen, Jiangyu Dai, Huayu Fang, Rundong Gao, Fei Gu, Jingfan Guo, Xiaoran Guo, Jiheng Jin, Gaojun Ju, Fali Hao, Yanzhou Lei, Yang Li, Kaihang Li, Meng Li, Minhua Li, Shengchao Li, Siyin Li, Tao Lin, Qing Liu, Jiajun Lv, Sheng Luo, Guang Ni, Kangwei Shen, Chuanping Song, Mingzhuo Tong, Lijun Wang, Jun Wang, Xiaoyu Wang, Wei Wang, Xiaoping Wang, Zihu Wei, Yuehuan Weng, Liming Xiao, Xiang Xie, Lingfeng Yang, Litao Yang, Long Ye, Jingqiang Yu, Jiachen Yue, Qian Yue, Yuyong Zhang, Bingwei Zhang, Yuming Zhao, Yifei Zhu, Chenhui |
| author_facet | Yang, Jijun Li, Ruize Cai, Chang Chen, Guocai Chen, Jiangyu Dai, Huayu Fang, Rundong Gao, Fei Gu, Jingfan Guo, Xiaoran Guo, Jiheng Jin, Gaojun Ju, Fali Hao, Yanzhou Lei, Yang Li, Kaihang Li, Meng Li, Minhua Li, Shengchao Li, Siyin Li, Tao Lin, Qing Liu, Jiajun Lv, Sheng Luo, Guang Ni, Kangwei Shen, Chuanping Song, Mingzhuo Tong, Lijun Wang, Jun Wang, Xiaoyu Wang, Wei Wang, Xiaoping Wang, Zihu Wei, Yuehuan Weng, Liming Xiao, Xiang Xie, Lingfeng Yang, Litao Yang, Long Ye, Jingqiang Yu, Jiachen Yue, Qian Yue, Yuyong Zhang, Bingwei Zhang, Yuming Zhao, Yifei Zhu, Chenhui |
| contents | In this paper, we present the design and characterization of a photosensor system developed for the RELICS experiment. An extended dynamic range base was designed to mitigate photomultiplier tube (PMT) saturation caused by intense cosmic muon backgrounds in the surface-level RELICS detector. The system employs dual readout from the anode and the seventh dynode to extend the linear response range of the PMT. In particular, our characterization and measurements of Hamamatsu R8520-406 PMTs confirm stable operation under positive high-voltage bias, extending the linear response range by more than an order of magnitude. Furthermore, a model of PMT saturation and recovery was developed to evaluate the influence of cosmic muon signals in the RELICS detector. The results demonstrate the system capability to detect coherent elastic neutrino-nucleus scattering signals under surface-level cosmic backgrounds, and suggest the potential to extend the scientific reach of RELICS to MeV-scale interactions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_24196 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Design and characterization of a photosensor system for the RELICS experiment Yang, Jijun Li, Ruize Cai, Chang Chen, Guocai Chen, Jiangyu Dai, Huayu Fang, Rundong Gao, Fei Gu, Jingfan Guo, Xiaoran Guo, Jiheng Jin, Gaojun Ju, Fali Hao, Yanzhou Lei, Yang Li, Kaihang Li, Meng Li, Minhua Li, Shengchao Li, Siyin Li, Tao Lin, Qing Liu, Jiajun Lv, Sheng Luo, Guang Ni, Kangwei Shen, Chuanping Song, Mingzhuo Tong, Lijun Wang, Jun Wang, Xiaoyu Wang, Wei Wang, Xiaoping Wang, Zihu Wei, Yuehuan Weng, Liming Xiao, Xiang Xie, Lingfeng Yang, Litao Yang, Long Ye, Jingqiang Yu, Jiachen Yue, Qian Yue, Yuyong Zhang, Bingwei Zhang, Yuming Zhao, Yifei Zhu, Chenhui Instrumentation and Detectors High Energy Physics - Experiment In this paper, we present the design and characterization of a photosensor system developed for the RELICS experiment. An extended dynamic range base was designed to mitigate photomultiplier tube (PMT) saturation caused by intense cosmic muon backgrounds in the surface-level RELICS detector. The system employs dual readout from the anode and the seventh dynode to extend the linear response range of the PMT. In particular, our characterization and measurements of Hamamatsu R8520-406 PMTs confirm stable operation under positive high-voltage bias, extending the linear response range by more than an order of magnitude. Furthermore, a model of PMT saturation and recovery was developed to evaluate the influence of cosmic muon signals in the RELICS detector. The results demonstrate the system capability to detect coherent elastic neutrino-nucleus scattering signals under surface-level cosmic backgrounds, and suggest the potential to extend the scientific reach of RELICS to MeV-scale interactions. |
| title | Design and characterization of a photosensor system for the RELICS experiment |
| topic | Instrumentation and Detectors High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2510.24196 |