Some Collective Observables in Nuclear Motion

Zhang Jingye

Chinese Physics C> 1994, Vol. 18> Issue(12) : 1119-1123

Some Collective Observables in Nuclear Motion

Zhang Jingye ^,

Institute of Modern Physics,Academic Sinica,Lanzhou 730000

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Abstract：
The B(E2:)values and ground band energy ratio R=,are often used as indicators of the collectivity in nuclear motion.A great effort has been paid to understand systematically the relation between these quantities and the calculated deformation parameters through a standard potential energy surface approach.It is found that the B(E2:)values are dominantly determined by the equilibrium(static)deformation of nuclei.The existing NilssonstrutinskyBCS approach can reproduce nicely reasonable deformation values for a great variety of even-even nuclei, from Z=30 to actinides,while the energy ratio R reflects the whole structure of the potential energy surface,such as the stiffness and unharmonisity.

References

[1]	S.Raman et al.At.Data and Nucl.Data Tables,36（1987）1.[2]I.Ragnarsson and W.Nazarewicz,private communication.[3]S.G.Nilsson et al,Nucl.Phys,A131l（1969）1.[4]T.Bengtsson and I.Ragnarsson,Nucl.Phys,A436（1985）14.

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Zhang Jingye. Some Collective Observables in Nuclear Motion[J]. Chinese Physics C, 1994, 18(12): 1119-1123.

Zhang Jingye. Some Collective Observables in Nuclear Motion[J]. Chinese Physics C, 1994, 18(12): 1119-1123. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Some Collective Observables in Nuclear Motion

Zhang Jingye ^,

Corresponding author: Zhang Jingye,

Institute of Modern Physics,Academic Sinica,Lanzhou 730000

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1994-12-05

Abstract: The B(E2:)values and ground band energy ratio R=,are often used as indicators of the collectivity in nuclear motion.A great effort has been paid to understand systematically the relation between these quantities and the calculated deformation parameters through a standard potential energy surface approach.It is found that the B(E2:)values are dominantly determined by the equilibrium(static)deformation of nuclei.The existing NilssonstrutinskyBCS approach can reproduce nicely reasonable deformation values for a great variety of even-even nuclei, from Z=30 to actinides,while the energy ratio R reflects the whole structure of the potential energy surface,such as the stiffness and unharmonisity.