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Title: Gross shell structure of moments of inertia

Abstract

Average yrast moments of inertia at high spins, where the pairing correlations are expected to be largely absent, were found to deviate from the rigid-body values. This indicates that shell effects contribute to the moment of inertia. We discuss the gross dependence of moments of inertia and shell energies on the neutron number in terms of the semiclassical periodic orbit theory. We show that the ground-state shell energies, nuclear deformations and deviations from rigid-body moments of inertia are all due to the same periodic orbits.

Authors:
; ; ; ;
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
Office of Science. Nuclear Physics (US)
OSTI Identifier:
809317
Report Number(s):
LBNL-52316
R&D Project: 463301; B& R KB0401024; TRN: US0302448
DOE Contract Number:  
AC03-76SF00098
Resource Type:
Conference
Resource Relation:
Conference: Frontiers of Nuclear Structure, Berkeley, CA (US), 07/29/2002--08/02/2002; Other Information: PBD: 1 Jul 2002
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; MOMENT OF INERTIA; NEUTRONS; NUCLEAR DEFORMATION; NUCLEAR STRUCTURE

Citation Formats

Deleplanque, M.A., Frauendorf, S., Pashkevich, V.V., Chu, S.Y., and Unzhakova, A. Gross shell structure of moments of inertia. United States: N. p., 2002. Web.
Deleplanque, M.A., Frauendorf, S., Pashkevich, V.V., Chu, S.Y., & Unzhakova, A. Gross shell structure of moments of inertia. United States.
Deleplanque, M.A., Frauendorf, S., Pashkevich, V.V., Chu, S.Y., and Unzhakova, A. Mon . "Gross shell structure of moments of inertia". United States. https://www.osti.gov/servlets/purl/809317.
@article{osti_809317,
title = {Gross shell structure of moments of inertia},
author = {Deleplanque, M.A. and Frauendorf, S. and Pashkevich, V.V. and Chu, S.Y. and Unzhakova, A.},
abstractNote = {Average yrast moments of inertia at high spins, where the pairing correlations are expected to be largely absent, were found to deviate from the rigid-body values. This indicates that shell effects contribute to the moment of inertia. We discuss the gross dependence of moments of inertia and shell energies on the neutron number in terms of the semiclassical periodic orbit theory. We show that the ground-state shell energies, nuclear deformations and deviations from rigid-body moments of inertia are all due to the same periodic orbits.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jul 01 00:00:00 EDT 2002},
month = {Mon Jul 01 00:00:00 EDT 2002}
}

Conference:
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