MENG, J , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,CTR THEORET PHYS,POB 8730,BEIJING 100080,PEOPLES R CHINA.
部门归属:
BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA; CHINESE ACAD SCI,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
英文摘要:
The validity of the quantum group SU(q)(2) expression for the nuclear rotational spectrum is investigated thoroughly. Analysis [including the Mallmann plots, the relations for the I(I+1) expansion coefficients, energy spectra, etc.] definitely display a systematical deviation of the Su(q)(2) prediction from the experimental data available for the even-even rare-earth and actinide nuclei. Only within a limited range of angular momentum the Su(q)(2) expression is suitable for rotational spectra. A significant angular momentum dependence of the q-deformation parameter is found. The q deformation is directly related to the nuclear softness.
