Studies of high-spin states in rare-earth nuclei using the angular-momentum projection method

1992 ◽  
Vol 537 (1-2) ◽  
pp. 77-99 ◽  
Author(s):  
K. Hara ◽  
Y. Sun
Keyword(s):  
Angular Momentum ◽  
Rare Earth ◽  
High Spin ◽  
Projection Method ◽  
Spin States ◽  
Angular Momentum Projection ◽  
High Spin States ◽  
Rare Earth Nuclei

High-spin states inSi28from variation after angular-momentum projection

1983 ◽  
Vol 27 (5) ◽  
pp. 2414-2416 ◽  
Author(s):  
W. Bauhoff ◽  
H. Schultheis ◽  
R. Schultheis
Keyword(s):  
Angular Momentum ◽  
High Spin ◽  
Spin States ◽  
Angular Momentum Projection ◽  
High Spin States

Calibration of the transient magnetic field for rare-earth nuclei in iron: Application to g-factors of high spin states in 152, 154Sm

1982 ◽  
Vol 383 (3) ◽  
pp. 509-529 ◽  
Author(s):  
H.R. Andrews ◽  
O. Häusser ◽  
D. Ward ◽  
P. Taras ◽  
R. Nicole ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Rare Earth ◽  
High Spin ◽  
Spin States ◽  
Transient Magnetic Field ◽  
High Spin States ◽  
Rare Earth Nuclei ◽  
G Factors

Phenomenological Description of High Spin States in Doubly Even Rare Earths

1975 ◽  
Vol 53 (17) ◽  
pp. 1651-1658 ◽  
Author(s):  
C. A. Heras ◽  
S. M. Abecasis
Keyword(s):  
Rare Earth ◽  
High Spin ◽  
Rare Earths ◽  
Energy Levels ◽  
Specific Model ◽  
Global Structure ◽  
Phenomenological Description ◽  
Spin States ◽  
High Spin States ◽  
Rare Earth Nuclei

Without recourse to a specific model, assuming only that the global structure of spectra is rotational, a good fit of energy levels in doubly even rare earth nuclei is achieved, including the so-called backbending at high spins.

An angular momentum expansion of energy and structure of high spin states

Pramana ◽  
1978 ◽  
Vol 10 (6) ◽  
pp. 589-596 ◽  
Author(s):  
M Satpathy ◽  
R Sahu ◽  
A Ansari ◽  
L Satpathy
Keyword(s):  
Angular Momentum ◽  
High Spin ◽  
Spin States ◽  
High Spin States

Characteristics of Thomas-Fermi solutions for nuclei with specified angular momenta

1994 ◽  
Vol 72 (7-8) ◽  
pp. 355-361
Author(s):  
J. Gallego ◽  
S. Das Gupta
Keyword(s):  
Angular Momentum ◽  
High Spin ◽  
Mass Range ◽  
Spin States ◽  
Thomas Fermi ◽  
Hartree Fock ◽  
High Spin States ◽  
Angular Momenta ◽  
Medium Mass ◽  
Low Mass

We obtain Thomas–Fermi solutions for nuclei in the mass range [Formula: see text]. Solutions for a given nucleus are obtained from angular momentum zero to the maximum value at which the nucleus breaks up. On one hand, we can establish contact with the liquid-drop model; on the other hand since Thomas–Fermi theory can be regarded as an approximation to Hartree-Fock theory and does use an underlying force (the same force can be used in Hartree–Fock theory), it is also instructive to compare results with the quantum cranking calculations carried out by other researchers. It appears that for low-mass nuclei quantum effects make the two results very different even at high spins but for medium-mass nuclei there are similarities that are seen at high-spin states. Rather large deformations are obtained at high-spin states but the magnitudes are sensitive to the actual force used. We present graphs indicating the change of shape in the Q – γ plane as angular momentum is cranked up.

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