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首页> 外文期刊>Physical Review C >Low-energy nuclear reaction of the 14N + 169Tm system: Incomplete fusion
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Low-energy nuclear reaction of the 14N + 169Tm system: Incomplete fusion

机译：14N + 169TM系统的低能量核反应：融合不完全

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摘要

Excitation functions of reaction residues produced in the ~(14)N + ~(169)Tm system have been measured to high precision at energies above the fusion barrier, ranging from 1.04VB to 1.30VB, and analyzed in the framework of the statistical model code PACE4. Analysis of α-emitting channels points toward the onset of incomplete fusion even at slightly above-barrier energies where complete fusion is supposed to be one of the dominant processes. The onset and strength of incomplete fusion have been deduced and studied in terms of various entrance channel parameters. Present results together with the reanalysis of existing data for various projectile-target combinations conclusively suggest strong influence of projectile structure on the onset of incomplete fusion. Also, a strong dependence on the Coulomb effect (Z_PZ_T ) has been observed for the present system along with different projectile-target combinations available in the literature. It is concluded that the fraction of incomplete fusion linearly increases with Z_PZ_T and is found to be more for larger Z_PZ_T values, indicating significantly important linear systematics.
机译：在〜（14）N +〜（169）TM系统中产生的反应残留物的激发功能已经测量到融合屏障上方的能量高精度，范围为1.04VB至1.30VB，并在统计模型的框架中进行分析代码PACE4。 α发射通道朝向不完全融合开始的α发射频率的分析，即使在略微的偏移能量，应该是主导过程之一。在各种入口通道参数方面，已经推断出并研究了不完全融合的发作和强度。目前的结果与各种弹丸 - 目标组合的现有数据的再分析表明，射弹结构对不完全融合开始的强烈影响。而且，对本系统的较强依赖于本系统，以及文献中可用的不同的射弹 - 目标组合。结论是，不完全融合的分数与Z_PZ_T线性增加，发现更大的Z_PZ_T值更多，表明了重要的线性系统。

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  • 来源
    《Physical Review C》 |2017年第2017期|054614.1-054614.7|共7页
  • 作者

    R. Kumar; Vijay R. Sharma; Abhishek Yadav; Pushpendra P. Singh; Avinash Agarwal; S. Appannababu; S. Mukherjee; B. P. Singh; R. Ali; R. K. Bhowmik;

  • 作者单位

    Nuclear Physics Group Inter-University Accelerator Center New Delhi 110 067 India;

    Nuclear Physics Group Inter-University Accelerator Center New Delhi 110 067 India;

    Nuclear Physics Group Inter-University Accelerator Center New Delhi 110 067 India;

    Department of Physics Indian Institute of Technology Ropar Rupnagar Punjab 140 001 India;

    Physics Department Bareilly College Bareilly 243 005 India;

    Departamento de Fisica Nuclear Instituto de Fisica Universidade de Sao Paulo CEP 05508 090 Brazil;

    Physics Department Maharaja Sayajirao University of Baroda Vadodara 390 002 India;

    Accelerator Laboratory Department of Physics A. M. University Aligarh 202 002 India;

    Department of Physics Gandhi Faiz-E-Aam (Post Graduate) College Shahjahanpur 242 001 India;

    Nuclear Physics Group Inter-University Accelerator Center New Delhi 110 067 India;

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