Development of a Large Dynamic Range Si-CsI(Tl) Telescope Detection System for a Space Heavy Ion Identi cation and Measurement

FANG Fang; YUE Ke; SUN Zhiyu; QIAN Yi; YU Yuhong; YAN Duo; WANG Shitao; ZHANG Xueheng; TANG Shuwen; CHEN Junling; ZHOU Yong; SUN Yu; WANG Zhaomin; SUN Yazhou

doi:10.11804/NuclPhysRev.34.02.184

Solar Polar Orbit Radio Telescope (SPORT) project, aimed at solar activities and solar atmosphere, is a satellite-borne apparatus which is composed by many sub-payloads and is under development in China. High Energy Heavy Ion Telescope (HEHIT) is one of most key sub-payloads in this project, and the main purpose of HEHIT is to identify space heavy ions (2 ≤ Z ≤ 26) with a broad energy range (8～300 MeV/u). In this paper, a prototype telescope of HEHIT, which includes a silicon detector, a CsI(Tl) crystal with regular hexagonal incident plane and customized electronic system, has been developed in the Institute of Modern Physics, Chinese Academy of Sciences (IMP, CAS). To obtain the performance of the prototype telescope, this telescope was tested with high quality beams provided by the accelerator of Heavy Ions Facility and Cooler-Storage-Ring in Lanzhou (HIRFL-CSR). The heavy ions ranging from Z =2 to Z =18 were clearly identified and measured from the beam test and an extrapolation was also done reasonably and it showed that the prototype detector could meet the requirement of t Fe(Z =26) with energy up to 300 MeV/u. In a word, this prototype telescope could satisfy the requirements of the measured heavy ions in the future SPORT project and this scheme of telescope will provide a favorable technique in the future design and construction of HEHIT.

Development of a Large Dynamic Range Si-CsI(Tl) Telescope Detection System for a Space Heavy Ion Identi cation and Measurement

1. University of Science and Technology of China, Hefei 2300262, China;

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

3. University of Chinese Academy of Sciences, Beijing 100049, China;

4. Lanzhou University, Lanzhou 730000, China

Funds: National Natural Science Foundation ofChina(11405242, 11575269); Youth Innovation Promotion Association of the Chinese Academy of Science(2015342)

Received Date: 2016-06-28

Rev Recd Date: 2016-07-28

Publish Date: 2017-06-20

Key words:

Abstract: Solar Polar Orbit Radio Telescope (SPORT) project, aimed at solar activities and solar atmosphere, is a satellite-borne apparatus which is composed by many sub-payloads and is under development in China. High Energy Heavy Ion Telescope (HEHIT) is one of most key sub-payloads in this project, and the main purpose of HEHIT is to identify space heavy ions (2 ≤ Z ≤ 26) with a broad energy range (8～300 MeV/u). In this paper, a prototype telescope of HEHIT, which includes a silicon detector, a CsI(Tl) crystal with regular hexagonal incident plane and customized electronic system, has been developed in the Institute of Modern Physics, Chinese Academy of Sciences (IMP, CAS). To obtain the performance of the prototype telescope, this telescope was tested with high quality beams provided by the accelerator of Heavy Ions Facility and Cooler-Storage-Ring in Lanzhou (HIRFL-CSR). The heavy ions ranging from Z =2 to Z =18 were clearly identified and measured from the beam test and an extrapolation was also done reasonably and it showed that the prototype detector could meet the requirement of t Fe(Z =26) with energy up to 300 MeV/u. In a word, this prototype telescope could satisfy the requirements of the measured heavy ions in the future SPORT project and this scheme of telescope will provide a favorable technique in the future design and construction of HEHIT.

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Development of a Large Dynamic Range Si-CsI(Tl) Telescope Detection System for a Space Heavy Ion Identi cation and Measurement

doi: 10.11804/NuclPhysRev.34.02.184

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