Fission Angular Distributions for the Incomplete Fusion Reactions

Liu Guoxing; Chen Keliang; Yu Xian; Dai Guangxi

Chinese Physics C> 1997, Vol. 21> Issue(S3) : 35-42

Fission Angular Distributions for the Incomplete Fusion Reactions

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

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Abstract：
The fragment angular distributions for 35.9, 41.0, 45.6, and 50.0 MeV/u ¹⁶O+¹⁹⁷Au, 50 MeV/u ¹⁶O+¹⁵⁹Tb, and 50 MeV/u ¹⁶O+²⁰⁹Bi reactions have been measured by the solid state nuclear track detectors. After subtraction of the contribution of intermediate mass fragment (IMF), the fission angular distributions have been fitted by the transition state statistical model (TSM) and the single-spin standard theory to extract the spins of the fissioning nuclei. The relation between spins and bombarding energies is also discussed.
- incomplete fusion fission ,
- sequential fission ,
- fission nuclei spin

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Liu Guoxing, Chen Keliang, Yu Xian and Dai Guangxi. Fission Angular Distributions for the Incomplete Fusion Reactions[J]. Chinese Physics C, 1997, 21(S3): 35-42.

Liu Guoxing, Chen Keliang, Yu Xian and Dai Guangxi. Fission Angular Distributions for the Incomplete Fusion Reactions[J]. Chinese Physics C, 1997, 21(S3): 35-42. shu

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Received: 1996-09-17

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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

Fission Angular Distributions for the Incomplete Fusion Reactions

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

Received Date: 1996-09-17

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

Abstract: The fragment angular distributions for 35.9, 41.0, 45.6, and 50.0 MeV/u ¹⁶O+¹⁹⁷Au, 50 MeV/u ¹⁶O+¹⁵⁹Tb, and 50 MeV/u ¹⁶O+²⁰⁹Bi reactions have been measured by the solid state nuclear track detectors. After subtraction of the contribution of intermediate mass fragment (IMF), the fission angular distributions have been fitted by the transition state statistical model (TSM) and the single-spin standard theory to extract the spins of the fissioning nuclei. The relation between spins and bombarding energies is also discussed.