在相对论平均场框架下研究了Pr同位素链的基态性质 .对关联的处理采用了BCS方法 ,并使用了与同位旋有关的对力常数 ,对不成对的核子采用了‘阻塞法’ ,并考虑了核的轴对称形变 .计算结果表明 ,包含非线性介子自相互作用的相对论平均场理论可以在很大的同位旋范围内很好地描述Pr同位素链的结合能、形变、中 (质 )子密度分布、同位素位移等 .理论计算的结果与有限力程小液滴模型的结果符合得很好 .特别检验了描述对关联的BCS近似在Pr链的适用范围和适用的程度 The ground state properties of Pr isotope chains were studied in the framework of relativistic average fields. The BCS method was used for the correlation processing and the isostrone-related force constant was used. The blocking method was applied to unpaired nuclei The results show that the theory of relativistic mean fields involving nonlinear self-interactions can well describe the binding energies, deformations, and protons of the Pr isotopes within a wide range of isospin Density distribution, isotopic shifts, etc. The results of the theoretical calculation are in good agreement with the results of the finite-force droplet model, and in particular the extent and applicability of the description of the BCS approximation associated with the Pr chain