RMF质量模型在r过程中的应用及质量不确定性的影响
Application of the RMF mass model to the r-process and the influence of mass uncertainties
摘要：
本文首次将相对论平均场方法和态相关BCS方法计算的质量表应用于r过程核合成的研究。太阳r-过程丰度很好地再现内的等待点近似方法。使用指数拟合程序，以找到所需的天体物理条件，质量不确定性的影响进行了研究。为此，使用了使用FRDM、ETFSI-Q和HFB-13质量表的R-过程计算。结果表明，核物理不确定性对r-过程场的天体物理条件有很大的影响。此外，壳封闭和形状转变的影响已被详细检查的r-过程模拟。
英文摘要：
A new mass table calculated by the relativistic mean field approach with the state-dependent BCS method for the pairing correlation is applied for the first time to study r-process nucleosynthesis. The solar r-process abundance is well reproduced within a waiting-point approximation approach. Using an exponential fitting procedure to find the required astrophysical conditions, the influence of mass uncertainty is investigated. R-process calculations using the FRDM, ETFSI-Q and HFB-13 mass tables have been used for that purpose. It is found that the nuclear physical uncertainty can significantly influence the deduced astrophysical conditions for the r-process site. In addition, the influence of the shell closure and shape transition have been examined in detail in the r-process simulations.
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