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Two annular CsI(Tl) detector arrays for the charged particle telescopes

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Abstract

In this study, we constructed two annular detector arrays comprising 24 wedge-shaped CsI(Tl) crystals, and tested them using an \(\alpha\) source and radioactive beams of \(^{14-16}\)C on a CD\(_2\) target. We compared the properties of a CsI(Tl) crystal encapsulated with various reflectors, revealing that using the 80-\(\upmu\)m-thick ESR film to pack the CsI(Tl) crystal yielded the largest light output with the smallest non-uniformity in light output (\(\Delta\)LO). For the 24 CsI(Tl) detectors with the 80-\(\upmu\)m-thick ESR films, the average energy resolution improved as the average light output increased; however, it deteriorated as the \(\Delta\)LO value increased. To form two annular Si-CsI(Tl) telescopes for identifying the light-charged particles, the \(\Delta\)LO value and energy resolution of each CsI(Tl) detector were maintained under 20% and 7.7%, respectively. These telescopes were tested for the first time in a direct nuclear reaction experiment using \(^{14-16}\)C + d. The results demonstrated that the Z = 1 and Z = 2 charged particles were adequately discriminated by the telescopes using the standard \(\Delta E\)-E method.

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Data Availability

The data that support the findings of this study are openly available in Science Data Bank at https://www.doi.org/10.57760/sciencedb.j00186.00253 and https://cstr.cn/31253.11.

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Authors and Affiliations

  1. School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, 100871, China

    Hong-Yu Zhu, Jian-Ling Lou, Yan-Lin Ye, Li-Sheng Yang, Bo-Long Xia, Kang Wei, Ying Chen, Wei-Liang Pu, Zi-Yao Hu, Hao-Yu Ge, Jia-Hao Chen, Kai Ma & Wen-Wu Wan

  2. Institute of Modern Physics, Chinese Academy Sciences, Lanzhou, 730000, China

    Hooi-Jin Ong, Yan-Yun Yang, Shi-Wei Xu, Kang Wang, Fang-Fang Duan, Jun-Bin Ma, Zhen Bai, Peng Ma & Ruo-Fu Chen

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  1. Hong-Yu Zhu
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Contributions

All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Hong-Yu Zhu, Jian-Ling Lou and Bo-Long Xia. The first draft of the manuscript was written by Jian-Ling Lou and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Jian-Ling Lou.

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Conflict of interest

The authors declare that they have no competing interests.

Additional information

This work was supported by the National Natural Science Foundation of China (Nos.12275007, U1867214, 11775004), the funding from the State Key Laboratory of Nuclear Physics and Technology, Peking University, China (No. NPT2021ZZ01) and funding from heavy Ion Research Facility, Lanzhou, China (No. HIR2021PY002).

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Zhu, HY., Lou, JL., Ye, YL. et al. Two annular CsI(Tl) detector arrays for the charged particle telescopes. NUCL SCI TECH 34, 159 (2023). https://doi.org/10.1007/s41365-023-01319-8

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  • DOI: https://doi.org/10.1007/s41365-023-01319-8

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