Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2010-08-02
Phys.Rev.C83:057303,2011
Physics
Nuclear Physics
Nuclear Theory
5 pages, 5 figures
Scientific paper
10.1103/PhysRevC.83.057303
The backbending phenomenon in $^{48}$Cr has been investigated using the recently developed Projected Configuration Interaction (PCI) method, in which the deformed intrinsic states are directly associated with shell model (SM) wavefunctions. Two previous explanations, (i) $K=0$ band crossing, and (ii) $K=2$ band crossing have been reinvestigated using PCI, and it was found that both explanations can successfully reproduce the experimental backbending. The PCI wavefunctions in the pictures of $K=0$ band crossing and $K=2$ band crossing are highly overlapped. We conclude that there are no unique intrinsic states associated with the yrast states after backbending in $^{48}$Cr.
Chen Yen-Sen
Chen Yongshun John
Gao Zao-Chun
Horoi Mihai
Tuya
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