| Autor: |
YANG Jie;ZHANG Jinsong;CHU Suyun;WANG Xu;GUO Xiangbo;LUO Ning;LUO Laoyong;WANG Wei;QI Mingsen |
| Jazyk: |
čínština |
| Rok vydání: |
2023 |
| Předmět: |
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| Zdroj: |
Journal of Isotopes, Vol 36, Iss 2, Pp 212-218 (2023) |
| Druh dokumentu: |
article |
| ISSN: |
1000-7512 |
| DOI: |
10.7538/tws.2022.youxian.054 |
| Popis: |
The β detector of 4πβ-γ coincidence measurement is usually a proportional counter with a single wire of which the electric field distribution is divergent and the detection area is limited, so it can only measure the activity of the point source. A 4π multi-wire proportional chamber used as the β detector of 4πβ-γ coincidence measurement has been designed and fabricated because of the uniform electric field distribution and large detection area. The β plateau curves and the background have been tested. The results show that the plateau length of the β plateau curve is about 270 V, and the plateau slope of the upper and lower anode wires are 8.3‰ and 9.6‰ (60Co), 8.3‰ and 8.9‰ (90Sr-90Y), respectively. The background counting rate is within 10 s-1. The 4π multiwire proportional chamber can be used as the β detector of 4πβ-γ coincidence measurement for further research. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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