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  spherical nuclei
The results of the calculations performed for spherical nuclei over a wide interval of atomic-mass values are in satisfactory agreement with the corresponding experimental widths.
      
Basic properties of the ground states of spherical nuclei are investigated in a nonlocal extended Thomas-Fermi approximation under the assumption of Skyrme forces.
      
Semimicroscopic description of basic properties of isoscalar monopole and dipole excitations in medium-mass spherical nuclei
      
A finite rank separable approximation for the quasiparticle random phase approximation with Skyrme interactions is applied to study the low-lying quadrupole and octupole states in some S isotopes and giant resonances in some spherical nuclei.
      
Microscopic description of mixed-symmetry states in nearly spherical nuclei
      
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Using Nilsson's wave function, we have estimated the equilibrium deformation and the intrinsic quadrupole moments of the light nuclei (from O17 to K39). Based on the Inglis' model, we have also calculated the nuclear moments of inertia, the gR -factors and the collective vibrational parameters. It is shown that the equilibrium deformation in light nuclei is much less than the experimental result, contrary to the result of early calculations for heavy nuclei. In the calculations of nuclear moments of inertia,...

Using Nilsson's wave function, we have estimated the equilibrium deformation and the intrinsic quadrupole moments of the light nuclei (from O17 to K39). Based on the Inglis' model, we have also calculated the nuclear moments of inertia, the gR -factors and the collective vibrational parameters. It is shown that the equilibrium deformation in light nuclei is much less than the experimental result, contrary to the result of early calculations for heavy nuclei. In the calculations of nuclear moments of inertia, if we take a reasonable value of X and employ experimental equilibrium deformation, then the agreement with the experimental value is good, only having an error 0.4 to 30%. For the vibrational parameters there are no experimental results to compare with. However, the theoretical value of C shows shell effect. This feature is reasonable and cannot be obtained in the icrotational model. In addition, except equilibrium deformation, all collective parameters are sensitive to the variation of X, μ.

我们用Nilsson波函数计算了轻原子核(从0~(17)—K~(39))的平衡形变及内部电四极矩,并根据Inglis模型,计算了轻核的转动惯量,9_R因子及球形核振动参数B、C。结果表明,形变参数一般较实验小很多。这个结果与以前关于重核计算所得结果不同。计算转动惯量时,如取合理的x值,并用实验的平衡形变,则与实验符合得很好,只有0.4%—30%的误差,至于轻核振动参数,目前还没有肯定的实验结果可以比较,但理论的C值显示出壳层效应,比非旋的结果合理。又,除形变外,其他集体参数对x、μ的改变是敏感的。

Nuclear collective motions are further studied using the generator coordinate-method. Multipole excitations of both spherical and deformed nuclei as well as pairing excitations of both normal and superconducting nuclei are investigated in a unified way.

本文进一步讨论了运用生成坐标方法研究原子核集体运动的问题,并以统一的方式具体研究了球形核和变形核的多极激发以及正常核和超导核的对激发。

In this paper the particle-number-conserving method (PNC) for treating pairing correlations in deformed nucleus is extended to treat the spherical nucleus. The properties of the ground state and the lowlying 0~+ states of even-even isotops nearby ~(208)Pb are calculated with this method.

本文将处理对力的粒子数守恒方法(PNC)从变形核推广到球形核,并用以计算了~(208)Pb附近的偶同位素的基态及低激发0~+态的性质。

 
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