Moments Method for Shell-Model Level Density

The modern form of the Moments Method applied to the calculation of the nuclear shell-model level density is explained and examples of the method at work are given. The calculated level density practically exactly coincides with the result of full diagonalization when the latter is feasible. The met...

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Bibliographic Details
Published in:Journal of physics. Conference series 2016-01, Vol.665 (1), p.12048
Main Authors: Zelevinsky, V, Horoi, M, Sen'kov, R A
Format: Article
Language:English
Subjects:
Combinatorial analysis
Density
Physics
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Summary:The modern form of the Moments Method applied to the calculation of the nuclear shell-model level density is explained and examples of the method at work are given. The calculated level density practically exactly coincides with the result of full diagonalization when the latter is feasible. The method provides the pure level density for given spin and parity with spurious center-of-mass excitations subtracted. The presence and interplay of all correlations leads to the results different from those obtained by the mean-field combinatorics.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/665/1/012048