Gross shell structure at high spin in heavy nuclei

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Experimental nuclear moments of inertia at high spins along the yrast line have been determined systematically and found to differ from the rigid-body values. The difference is attributed to shell effect and these have been calculated microscopically. The data and quantal calculations are interpreted by means of the semiclassical Periodic Orbit Theory. From this new perspective, features in the moments of inertia as a function of neutron number and spin, as well as their relation to the shell energies can be understood. Gross shell effects persist up to the highest angular momenta observed.

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61 pages

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Deleplanque, Marie-Agnes; Frauendorf, Stefan; Pashkevich, Vitaly V.; Chu, S.Y. & Unzhakova, Anja October 7, 2003.

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Description

Experimental nuclear moments of inertia at high spins along the yrast line have been determined systematically and found to differ from the rigid-body values. The difference is attributed to shell effect and these have been calculated microscopically. The data and quantal calculations are interpreted by means of the semiclassical Periodic Orbit Theory. From this new perspective, features in the moments of inertia as a function of neutron number and spin, as well as their relation to the shell energies can be understood. Gross shell effects persist up to the highest angular momenta observed.

Physical Description

61 pages

Notes

INIS; OSTI as DE00836375

Source

  • Journal Name: Physical Review C; Journal Volume: 69; Other Information: Submitted to Physical Review C: Volume 69; Journal Publication Date: 2004

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  • Report No.: LBNL--53891
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 836375
  • Archival Resource Key: ark:/67531/metadc777042

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • October 7, 2003

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • April 4, 2016, 3:19 p.m.

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Deleplanque, Marie-Agnes; Frauendorf, Stefan; Pashkevich, Vitaly V.; Chu, S.Y. & Unzhakova, Anja. Gross shell structure at high spin in heavy nuclei, article, October 7, 2003; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc777042/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.