^(24)Mg集体态的三体非对角玻色相互作用修正  

Correction of ^(24)Mg Collective States With Three-Body Non-diagonal Boson Interaction

作　　者：狄尧民[1] 吕华平[1] 

机构地区：[1]徐州师范大学,徐州221009

出　　处：《高能物理与核物理》1999年第6期546-551,共6页High Energy Physics and Nuclear Physics

基　　金：江苏省教委自然科学基金

摘　　要：引入三体非对角玻色相互作用计算了24Mg的能谱，克服了以往理论谱中0过低的困难，改进了理论和实验的符合程度．说明在某些情形下三体非对角玻色相互作用有可能是重要的．Although it has been verified that the interacting boson model (IBM) can be applied to light nuclei in sd shell successfully, the deficiency shll exists. The level of experimental spectrum of 24Mg is much higher than 3. The similar result can not be obtained by using of conventional IBM, in which only one-body and two-body interactions are concerned. Three-body interactions have been discussed by some authors, but the authers mainly considered the diagonal interactions. Moreover,the defect mentioned above can not be solved with these interactions. Introducing three-body non-diagonal interaction, the energy levels of 24 Mg are calculated, the difficulty of low 0 theoretical level is overcome and the coincidence betWeen theory and experiment is improved. This work illustrates that in some cases the three-body non-diagonal boson interaction is important.

关 键 词：玻色子模型 三体非对角 相互作用 轻核 镁24 

分 类 号：O413.3[理学—理论物理] O571.211[理学—物理]