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A Compact Spectrometer for Heavy Ion Experiments in the Fermi energy regime
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment ( IF 1.4 ) Pub Date : 2021-06-29 , DOI: 10.1016/j.nima.2021.165592
Fenhai Guan , Xinyue Diao , Yijie Wang , Yuhao Qin , Zhi Qin , Qianghua Wu , Dong Guo , Xianglun Wei , Herun Yang , Peng Ma , Rongjiang Hu , Limin Duan , Wenbo Liu , Wanqing Su , Chun-Wang Ma , Yikai Hou , Zhigang Xiao

A Compact Spectrometer for Heavy IoN Experiments (CSHINE) has been recently built for the studies of heavy ion reactions at intermediate energies. CSHINE consists of a Si-Si-CsI telescope array and a parallel plate avalanche counter (PPAC) array. Each telescope consists of a thin single-sided silicon strip detector and a thick double-sided silicon strip detector backed by a 3 × 3 CsI(Tl) crystal hodoscope. The thicknesses of the silicon detectors are optimized in order to identify various types of light charged particles in a wide energy range. PPAC is a large-area two-dimensional position-sensitive gas detector, which records fission fragments with the intrinsic efficiency of approximately 100% but filters out light charged particles at properly selected working conditions. In the phase-II run, four Si-Si-CsI telescopes and three PPACs have been installed and operated in the beam experiment with 25 MeV/u Kr+Pb reactions. Particle identification for isotopes from Hydrogen to Boron has been achieved with the Si-Si-CsI telescopes, while excellent timing and position resolution have been achieved with the PPACs.



中文翻译:

用于费米能级重离子实验的紧凑型光谱仪

最近建造了用于重离子实验的紧凑型光谱仪 (CSHINE),用于研究中等能量的重离子反应。CSHINE由一个的Si-Si-CSI望远镜阵列和的平行板雪崩计数器 (PPAC) 阵列。每个望远镜由一个薄的单面硅条探测器和一个厚的双面硅条探测器组成,由一个 3 × 3 CsI(Tl) 晶体望远镜支持。硅探测器的厚度经过优化,以便在较宽的能量范围内识别各种类型的带电粒子。PPAC is a large-area two-dimensional position-sensitive gas detector, which records fission fragments with the intrinsic efficiency of approximately 100% but filters out light charged particles at properly selected working conditions. 在第二阶段运行中,已经安装了四个 Si-Si-CsI 望远镜和三个 PPAC,并在光束实验中运行了 25 MeV/u Kr+Pb 反应。已使用 Si-Si-CsI 望远镜实现了从氢到硼的同位素粒子识别,

更新日期:2021-07-08
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