First Experimental Determination of Half-Life for New Nuclide <sup>65</sup>Se

Huang Wenxue; Xu Xiaoji; Hu Zhiqiang; Ma Ruichang

Chinese Physics C> 1996, Vol. 20> Issue(S1) : 15-21

First Experimental Determination of Half-Life for New Nuclide ⁶⁵Se

Institute of Modem Physics, The Chinese Academy of Sciences, Lanzhou, China

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Abstract：
By using experimental data obtained from the measurement of β-delayed proton decay of ⁶⁵Se produced in the ⁴⁰Ga(²⁸Si,3n) reaction, the absolute detection efficiency of particle telescope for rotating radioactive source was fitted and calculated. The half-life of ⁶⁵Se was thus accurately determined to be 9.6_-4.1^+5.3 ms and its β-delayed proton energy of ⁶⁵Se was 3.70±0.08MeV. The partial decay scheme of ⁶⁵Se β-delayed proton decay was revised.
- new nuclide ,
- half-life ,
- detection effciency ,
- partial decay scheme

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Huang Wenxue, Xu Xiaoji, Hu Zhiqiang and Ma Ruichang. First Experimental Determination of Half-Life for New Nuclide ⁶⁵Se[J]. Chinese Physics C, 1996, 20(S1): 15-21.

Huang Wenxue, Xu Xiaoji, Hu Zhiqiang and Ma Ruichang. First Experimental Determination of Half-Life for New Nuclide ⁶⁵Se[J]. Chinese Physics C, 1996, 20(S1): 15-21. shu

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Received: 1995-03-10

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Supported by the National Natural Science Foundation of China and the Science Foundation of the Chinese Academy of Sciences.

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沈阳化工大学材料科学与工程学院沈阳 110142

First Experimental Determination of Half-Life for New Nuclide ⁶⁵Se

Institute of Modem Physics, The Chinese Academy of Sciences, Lanzhou, China

Received Date: 1995-03-10

Fund Project: Supported by the National Natural Science Foundation of China and the Science Foundation of the Chinese Academy of Sciences.

Abstract: By using experimental data obtained from the measurement of β-delayed proton decay of ⁶⁵Se produced in the ⁴⁰Ga(²⁸Si,3n) reaction, the absolute detection efficiency of particle telescope for rotating radioactive source was fitted and calculated. The half-life of ⁶⁵Se was thus accurately determined to be 9.6_-4.1^+5.3 ms and its β-delayed proton energy of ⁶⁵Se was 3.70±0.08MeV. The partial decay scheme of ⁶⁵Se β-delayed proton decay was revised.