Octupole effects in the lanthanides

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Arrays of Anti-Compton Spectrometer enabled systematic investigations of octupole correlations in the neutron-rich lanthanides. The studies mostly confirm the theoretical expectations of moderate octupole deformation at medium spins in nuclei from this region but in some cases predictions deviate from the experiment. In cesium isotopes strong octupole effects are predicted but not observed and new measurements for {sup 139}Xe suggest octupole effects stronger than expected. Systematics of excitation energy of the 31 states excitations, updated in the present work for Xe isotopes, indicates the N=85 and Z=54 lines as borders for strong octupole correlations. Systematic of electric dipole moment, upgraded ... continued below

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10 p.

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Urban, W.; Rzaca-Urban, T.; Phillips, W. R.; Durell, J. L.; Leddy, M. J.; Smith, A. G. et al. October 22, 1999.

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Arrays of Anti-Compton Spectrometer enabled systematic investigations of octupole correlations in the neutron-rich lanthanides. The studies mostly confirm the theoretical expectations of moderate octupole deformation at medium spins in nuclei from this region but in some cases predictions deviate from the experiment. In cesium isotopes strong octupole effects are predicted but not observed and new measurements for {sup 139}Xe suggest octupole effects stronger than expected. Systematics of excitation energy of the 31 states excitations, updated in the present work for Xe isotopes, indicates the N=85 and Z=54 lines as borders for strong octupole correlations. Systematic of electric dipole moment, upgraded in the present work for Ca and Ce isotopes confirms the Z=54 limit and adds new information about local canceling of electric dipole moment at the N=90 neutron number.

Physical Description

10 p.

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INIS; OSTI as DE00750550

Medium: P; Size: 10 pages

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  • 2nd International Conference on Fission and Neutron-Rich Nuclei, St. Andrews, Scotland (GB), 06/28/1999--07/02/1999

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  • Report No.: ANL/PHY/CP-100265
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 750550
  • Archival Resource Key: ark:/67531/metadc706537

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  • October 22, 1999

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 6, 2017, 6:49 p.m.

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Urban, W.; Rzaca-Urban, T.; Phillips, W. R.; Durell, J. L.; Leddy, M. J.; Smith, A. G. et al. Octupole effects in the lanthanides, article, October 22, 1999; Illinois. (digital.library.unt.edu/ark:/67531/metadc706537/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.