Subbarrier Complete Fusion-Fission Reactions of <sup>16</sup>O+<sup>232</sup>Th

Liu Zhuhua; Xu Jincheng; Zhang Huanqiao; Qian Xing; Qiao Yu; Lin Chengjian; Xu Kan

Chinese Physics C> 1994, Vol. 18> Issue(S2) : 121-128

Subbarrier Complete Fusion-Fission Reactions of ¹⁶O+²³²Th

China Institute of Atomic Energy, Beijing, China

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Abstract：
We have succeeded in isolating the complete fusion-fission from transfer-induced fission in terms of the fragment folding angle distribution technique, and measured the complete fusion-fission cross sections and fragment angular distributions for the ¹⁶O+²³²Th system in the center-of-mass energies between 72.61 and 80.11 MeV. The observed fission excitation function is in quite good agreement with the expectation of the coupled-channels model. However, the measured angular distributions are more anisotropic than the predictions of both the saddle-point model and scission-point model.
- sub-barrier complete fusion-fission ,
- excitation function ,
- fragment angular distribution ,
- coupled-channels model ,
- saddle-point model ,
- scission-point model

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Liu Zhuhua, Xu Jincheng, Zhang Huanqiao, Qian Xing, Qiao Yu, Lin Chengjian and Xu Kan. Subbarrier Complete Fusion-Fission Reactions of ¹⁶O+²³²Th[J]. Chinese Physics C, 1994, 18(S2): 121-128.

Liu Zhuhua, Xu Jincheng, Zhang Huanqiao, Qian Xing, Qiao Yu, Lin Chengjian and Xu Kan. Subbarrier Complete Fusion-Fission Reactions of ¹⁶O+²³²Th[J]. Chinese Physics C, 1994, 18(S2): 121-128. shu

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Received: 1993-02-22

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Supported by the National Natural Science Foundation of China.

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沈阳化工大学材料科学与工程学院沈阳 110142

Subbarrier Complete Fusion-Fission Reactions of ¹⁶O+²³²Th

China Institute of Atomic Energy, Beijing, China

Received Date: 1993-02-22

Fund Project: Supported by the National Natural Science Foundation of China.

Abstract: We have succeeded in isolating the complete fusion-fission from transfer-induced fission in terms of the fragment folding angle distribution technique, and measured the complete fusion-fission cross sections and fragment angular distributions for the ¹⁶O+²³²Th system in the center-of-mass energies between 72.61 and 80.11 MeV. The observed fission excitation function is in quite good agreement with the expectation of the coupled-channels model. However, the measured angular distributions are more anisotropic than the predictions of both the saddle-point model and scission-point model.