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CHENG Zehui, YU Yuhong, SUN Zhiyu, SUN Yazhou, WANG Shitao, TANG Shuwen, CHEN Junling, ZHANG Xueheng, FANG Fang, YAN Duo, SUN Yu, ZHANG Yongjie, YANG Haibo, LIU Xiangman, HE Zhixuan, LI Gongping. Development of a New-typed Start-time Detector Based on SiPM[J]. Nuclear Physics Review, 2019, 36(3): 343-350. doi: 10.11804/NuclPhysRev.36.03.343
Citation: CHENG Zehui, YU Yuhong, SUN Zhiyu, SUN Yazhou, WANG Shitao, TANG Shuwen, CHEN Junling, ZHANG Xueheng, FANG Fang, YAN Duo, SUN Yu, ZHANG Yongjie, YANG Haibo, LIU Xiangman, HE Zhixuan, LI Gongping. Development of a New-typed Start-time Detector Based on SiPM[J]. Nuclear Physics Review, 2019, 36(3): 343-350. doi: 10.11804/NuclPhysRev.36.03.343

Development of a New-typed Start-time Detector Based on SiPM

doi: 10.11804/NuclPhysRev.36.03.343
Funds:  Open Research Project of CAS Large Research Infrastructures; National Natural Science Foundation of China (11405242, U1832122 and U1732134); Youth Innovation Promotion Association of the Chinese Academy of Science(2015342)
  • Received Date: 2019-01-07
  • Rev Recd Date: 2019-03-18
  • Publish Date: 2019-09-20
  • In this paper, a new type of start-time detector is developed. The sensitive area of the detector is 60 mm×60 mm, which is divided into two layers of dislocation tightly arranged by 120 plastic scintillating fibers with a diameter of 1mm, and three adjacent fibers are used as one detecting unit that uses the silicon phtotmultiplier to read signals. The work uses 90Sr radiation source to test the performance of a single scintillating fiber, the results show that the propagation speed of light in the fiber is about 17 cm/ns, and the corresponding time resolution is better than 600 ps. Besides the test using 90Sr source, the detector's performance has also been inspected through the 15N secondary beam of 240 MeV/u provided by the second radioactive beam line at Lanzhou (RIBLL2) of Institute of Modern Physics, Chinese Academy of Sciences. The in-beam test results show that the time resolution and vertical position resolution of the detector are (150±15) ps and (1.8±0.2) cm respectively. Combined with the detector and other detectors on the RIBLL2 External Target Facility, various isotope particles of 5 ≤ Z ≤ 8 generated in the experiment can be well identified.
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Development of a New-typed Start-time Detector Based on SiPM

doi: 10.11804/NuclPhysRev.36.03.343
Funds:  Open Research Project of CAS Large Research Infrastructures; National Natural Science Foundation of China (11405242, U1832122 and U1732134); Youth Innovation Promotion Association of the Chinese Academy of Science(2015342)

Abstract: In this paper, a new type of start-time detector is developed. The sensitive area of the detector is 60 mm×60 mm, which is divided into two layers of dislocation tightly arranged by 120 plastic scintillating fibers with a diameter of 1mm, and three adjacent fibers are used as one detecting unit that uses the silicon phtotmultiplier to read signals. The work uses 90Sr radiation source to test the performance of a single scintillating fiber, the results show that the propagation speed of light in the fiber is about 17 cm/ns, and the corresponding time resolution is better than 600 ps. Besides the test using 90Sr source, the detector's performance has also been inspected through the 15N secondary beam of 240 MeV/u provided by the second radioactive beam line at Lanzhou (RIBLL2) of Institute of Modern Physics, Chinese Academy of Sciences. The in-beam test results show that the time resolution and vertical position resolution of the detector are (150±15) ps and (1.8±0.2) cm respectively. Combined with the detector and other detectors on the RIBLL2 External Target Facility, various isotope particles of 5 ≤ Z ≤ 8 generated in the experiment can be well identified.

CHENG Zehui, YU Yuhong, SUN Zhiyu, SUN Yazhou, WANG Shitao, TANG Shuwen, CHEN Junling, ZHANG Xueheng, FANG Fang, YAN Duo, SUN Yu, ZHANG Yongjie, YANG Haibo, LIU Xiangman, HE Zhixuan, LI Gongping. Development of a New-typed Start-time Detector Based on SiPM[J]. Nuclear Physics Review, 2019, 36(3): 343-350. doi: 10.11804/NuclPhysRev.36.03.343
Citation: CHENG Zehui, YU Yuhong, SUN Zhiyu, SUN Yazhou, WANG Shitao, TANG Shuwen, CHEN Junling, ZHANG Xueheng, FANG Fang, YAN Duo, SUN Yu, ZHANG Yongjie, YANG Haibo, LIU Xiangman, HE Zhixuan, LI Gongping. Development of a New-typed Start-time Detector Based on SiPM[J]. Nuclear Physics Review, 2019, 36(3): 343-350. doi: 10.11804/NuclPhysRev.36.03.343
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