Plastic scintillation detectors for precision Time-of-Flight measurements of relativistic heavy ions

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Wen-Jian Lin, Jian-Wei Zhao, Bao-Hua Sun, Liu-Chun He, Wei-Ping Lin, Chuan-Ye Liu, Isao Tanihata, Satoru Terashima, Yi Tian, Feng Wang, Meng Wang, Guang-Xin Zhang, Xue-Heng Zhang, Li-Hua Zhu, Li-Min Duan, Rong-Jiang Hu, Zhong Liu, Chen-Gui Lu, Pei-Pei Ren, Li-Na Sheng, Zhi-Yu Sun, Shi-Tao Wang, Tao-Feng Wang, Zhi-Guo Xu and Yong Zheng. Plastic scintillation detectors for precision Time-of-Flight measurements of relativistic heavy ions[J]. Chinese Physics C, 2017, 41(6): 066001. doi: 10.1088/1674-1137/41/6/066001
Wen-Jian Lin, Jian-Wei Zhao, Bao-Hua Sun, Liu-Chun He, Wei-Ping Lin, Chuan-Ye Liu, Isao Tanihata, Satoru Terashima, Yi Tian, Feng Wang, Meng Wang, Guang-Xin Zhang, Xue-Heng Zhang, Li-Hua Zhu, Li-Min Duan, Rong-Jiang Hu, Zhong Liu, Chen-Gui Lu, Pei-Pei Ren, Li-Na Sheng, Zhi-Yu Sun, Shi-Tao Wang, Tao-Feng Wang, Zhi-Guo Xu and Yong Zheng. Plastic scintillation detectors for precision Time-of-Flight measurements of relativistic heavy ions[J]. Chinese Physics C, 2017, 41(6): 066001.  doi: 10.1088/1674-1137/41/6/066001 shu
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Received: 2016-09-28
Revised: 2017-01-19
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    Supported by National Natural Science Foundation of China (11475014,11235002) and National Key Research and Development Program (2016YFA0400500)}

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Plastic scintillation detectors for precision Time-of-Flight measurements of relativistic heavy ions

    Corresponding author: Bao-Hua Sun,
  • 1.  School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China
  • 2.  Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
Fund Project:  Supported by National Natural Science Foundation of China (11475014,11235002) and National Key Research and Development Program (2016YFA0400500)}

Abstract: Plastic scintillation detectors for Time-of-Flight (TOF) measurements are almost essential for event-by-event identification of relativistic rare isotopes. In this work, a pair of plastic scintillation detectors of dimensions 50×50 ×3t mm3 and 80×100×3t mm3 have been set up at the External Target Facility (ETF), Institute of Modern Physics (IMP). Their time, energy and position responses are measured with the 18O primary beam at 400 MeV/nucleon. After off-line corrections for walk effect and position, the time resolutions of the two detectors are determined to be 27 ps (σ) and 36 ps (σ), respectively. Both detectors have nearly the same energy resolution of 3.1% (σ) and position resolution of about 3.4 mm (σ). The detectors have been used successfully in nuclear reaction cross section measurements, and will be be employed for upgrading the RIBLL2 beam line at IMP as well as for the high energy branch at HIAF.

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