THE WIDTHS OF 4f LEVELS IN ANTIPROTONIC ATOMS IN THE OXYGEN REGION USING REALISTIC NUCLEAR WAVEFUNCTIONS

1987 ◽  
Vol 02 (06) ◽  
pp. 359-366 ◽  
Author(s):  
P. HAAPAKOSKI
Keyword(s):  
Harmonic Oscillator ◽  
Asymptotic Behaviour ◽  
Shell Model ◽  
Nuclear Shell Model ◽  
Antiprotonic Atoms ◽  
Nuclear Shell

The widths of the 4f levels of the antiprotonic atoms in the oxygen region are calculated using realistic nuclear shell model wavefunctions. The results are shown to be quite sensitive to the asymptotic behaviour of these wavefunctions. However, with a sensible prescription for the wavefunctions the results do not differ significantly from the corresponding results obtained using harmonic oscillator wavefunctions—the differences improving the earlier overall agreement with experiment.

scholarly journals A mechanism for shape coexistence

2021 ◽  
Vol 252 ◽  
pp. 02005
Author(s):  
Andriana Martinou
Keyword(s):  
Harmonic Oscillator ◽  
Shell Model ◽  
Magic Numbers ◽  
Shape Coexistence ◽  
Spin Orbit ◽  
Nuclear Shell Model ◽  
Different Types ◽  
Theoretical Predictions ◽  
Different Shapes ◽  
Nuclear Shell

The phenomenon of shape coexistence in a nucleus is about the occurence of two different nuclear states with drastically different shapes, lying close in energy. It is commonly seen in the data, that such coexisting states manifest in specific nuclei, which lie within certain islands on the nuclear chart, the islands of shape coexistence. A recently introduced mechanism predicts that these islands derive from the coexistence of two different types of magic numbers: the harmonic oscillator and the spin-orbit like. The algebraic realization of the nuclear Shell Model, the Elliott SU(3) symmetry, along with its extension, the proxy-SU(3) symmetry , are used for the parameter-free theoretical predictions of the islands of shape coexistence

Resource Letter NSM-1: New insights into the nuclear shell model

2011 ◽  
Vol 79 (1) ◽  
pp. 5-16 ◽  
Author(s):  
David J. Dean ◽  
Joseph H. Hamilton
Keyword(s):  
Shell Model ◽  
Nuclear Shell Model ◽  
Nuclear Shell

Theory of the Nuclear Shell Model

1982 ◽  
Vol 56 (2) ◽  
pp. 406-406
Author(s):  
D. A. Bromley
Keyword(s):  
Shell Model ◽  
Nuclear Shell Model ◽  
Nuclear Shell

scholarly journals Neutrinoless double beta nuclear matrix elements around mass 80 in the nuclear shell-model

2015 ◽  
Vol 93 ◽  
pp. 01055
Author(s):  
N. Yoshinaga ◽  
K. Higashiyama ◽  
D. Taguchi ◽  
E. Teruya
Keyword(s):  
Shell Model ◽  
Nuclear Matrix ◽  
Nuclear Shell Model ◽  
Matrix Elements ◽  
Nuclear Shell

The present status of the nuclear shell model

Physics Today ◽  
1973 ◽  
Vol 26 (6) ◽  
pp. 34-43 ◽  
Author(s):  
Elizabeth Urey Baranger
Keyword(s):  
Shell Model ◽  
Present Status ◽  
Nuclear Shell Model ◽  
Nuclear Shell
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