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arXiv 1607.04191nucl-th
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Ca + Ca和Ni + Ni中亚势垒熔合增强效应的自洽分析

The self-consistent analysis for sub-barrier fusion enhancement effect in Ca + Ca and Ni + Ni

N. R. Ma, H. M. Jia, C. J. Lin, L. Yang, X. X. Xu, L. J. Sun, F. Yang, Z. D. Wu, H. Q. Zhang, Z. H. Liu, D. X. Wang

摘要:

库仑势垒附近的重离子聚变动力学机制是一个复杂的问题,至今仍不十分清楚。因此,在CCFULL计算的基础上发展了一种自洽方法,并应用于正Q值中子转移(PQNT)通道的影响的研究。在统一的计算格式下,对Ca + Ca和Ni + Ni两种典型的实验数据进行了分析。在自洽分析的基础上,进一步证实了近垒熔合中的PQNT效应,并定量地提取了PQNT效应。

英文摘要:

The fusion dynamic mechanism of heavy-ions at energies near the Coulomb barrier is complicated and still not very clear up to now. Accordingly, a self-consistent method based on the CCFULL calculations has been developed and applied for an ingoing study of the effect of the positive Q-value neutron transfer (PQNT) channels in this work. The typical experimental fusion data of Ca + Ca and Ni + Ni is analyzed within the unified calculation scheme. The PQNT effect in near-barrier fusion is further confirmed based on the self-consistent analysis and extracted quantitatively.

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