Study of fusion <I>Q</I>-value rule in sub-barrier fusion of heavy ions

LIU Xing-Xing; ZHANG Gao-Long; ZHANG Huan-Qiao

doi:10.1088/1674-1137/39/7/074101

Chinese Physics C> 2015, Vol. 39> Issue(7) : 074101 DOI: 10.1088/1674-1137/39/7/074101

Study of fusion Q-value rule in sub-barrier fusion of heavy ions

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Abstract：
A vast body of fusion data has been analyzed for different projectiles and target nuclei. It is indicated that the sub-barrier fusion depends on the fusion Q-value. In terms of a recently introduced fusion Q-value rule and an energy scaling reduction procedure, the experimental fusion excitation functions are reduced and compared with each other. It is found that the reduced fusion excitations of selected fusion systems show a similar trend. The fusion data for massive nuclei are in agreement with the Q-value rule. In the fusion process, the Q contribution should be considered. Within this approach, the sub-barrier fusion cross sections of most fusion systems can be predicted without involving any structure effects of colliding nuclei. Instances of disagreement are presented in a few fusion systems. The use of the energy scaling as a criterion of possible experimental data inconsistency is discussed. More precise experimental fusion data need to be measured.

References

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LIU Xing-Xing, ZHANG Gao-Long and ZHANG Huan-Qiao. Study of fusion Q-value rule in sub-barrier fusion of heavy ions[J]. Chinese Physics C, 2015, 39(7): 074101. doi: 10.1088/1674-1137/39/7/074101

LIU Xing-Xing, ZHANG Gao-Long and ZHANG Huan-Qiao. Study of fusion Q-value rule in sub-barrier fusion of heavy ions[J]. Chinese Physics C, 2015, 39(7): 074101. doi: 10.1088/1674-1137/39/7/074101 shu

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Received: 2014-11-13
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of fusion Q-value rule in sub-barrier fusion of heavy ions

Corresponding author: ZHANG Gao-Long,

Received Date: 2014-11-13

Accepted Date: 1900-01-01

Available Online: 2015-07-05

Abstract: A vast body of fusion data has been analyzed for different projectiles and target nuclei. It is indicated that the sub-barrier fusion depends on the fusion Q-value. In terms of a recently introduced fusion Q-value rule and an energy scaling reduction procedure, the experimental fusion excitation functions are reduced and compared with each other. It is found that the reduced fusion excitations of selected fusion systems show a similar trend. The fusion data for massive nuclei are in agreement with the Q-value rule. In the fusion process, the Q contribution should be considered. Within this approach, the sub-barrier fusion cross sections of most fusion systems can be predicted without involving any structure effects of colliding nuclei. Instances of disagreement are presented in a few fusion systems. The use of the energy scaling as a criterion of possible experimental data inconsistency is discussed. More precise experimental fusion data need to be measured.

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Study of fusion Q-value rule in sub-barrier fusion of heavy ions

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Study of fusion Q-value rule in sub-barrier fusion of heavy ions

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