Department;
of;
Physics,;
Peking;
University,;
Beijing;
100871,;
China;
Department;
of;
Physics,;
Peking;
University,;
Beijing;
100871,;
China;
The;
Key;
Laboratory;
of;
Heavy;
Ion;
Physics,;
Ministry;
of;
Education,;
Peking;
University,;
Beijing;
100871,;
China;
Institute;
of;
Theoretical;
Physics,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
Center;
of;
Theoretical;
Nuclear;
Physics,;
National;
Laboratory;
of;
Heavy;
lon;
Accelerator,;
Lanzhou;
730000,China;
Department;
of;
Physics,;
Peking;
University,;
Beijing;
100871,;
China;
interacting; boson; model,; octupole; deformation,; superdeformation,; shape; coexistence.;