Identification of a Pairing Isomeric Band in 152Sm

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A coexisting band structure is identified in {sup 152}Sm through {gamma}-ray coincidence spectroscopy following {beta} decay of {sup 152m,g}Eu and following multi-step Coulomb excitation. This structure is interpreted as a pairing isomer analogous to a similar band identified in {sup 154}Gd, based upon relative B(E2) values for transitions out of the band and two-neutron transfer reaction population of the 0{sup +} and 2{sup +} band members. Systematics for odd-A isotopes near N = 90 suggest that there should be a low-lying pairing isomer in {sup 156}Dy, and similar structures at higher energy in {sup 150}Nd and {sup 158}Er.

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Kulp, W D; Wood, J L; Garrett, P E; Allmond, J M; Cline, D; Hayes, A B et al. May 13, 2005.

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A coexisting band structure is identified in {sup 152}Sm through {gamma}-ray coincidence spectroscopy following {beta} decay of {sup 152m,g}Eu and following multi-step Coulomb excitation. This structure is interpreted as a pairing isomer analogous to a similar band identified in {sup 154}Gd, based upon relative B(E2) values for transitions out of the band and two-neutron transfer reaction population of the 0{sup +} and 2{sup +} band members. Systematics for odd-A isotopes near N = 90 suggest that there should be a low-lying pairing isomer in {sup 156}Dy, and similar structures at higher energy in {sup 150}Nd and {sup 158}Er.

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PDF-file: 12 pages; size: 9.4 Mbytes

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  • Journal Name: Physical Review, C (Nuclear Physics); Journal Volume: 71; Journal Issue: 4

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  • Report No.: UCRL-JRNL-212882
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 878211
  • Archival Resource Key: ark:/67531/metadc877198

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  • May 13, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 5, 2016, 8:38 p.m.

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Kulp, W D; Wood, J L; Garrett, P E; Allmond, J M; Cline, D; Hayes, A B et al. Identification of a Pairing Isomeric Band in 152Sm, article, May 13, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc877198/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.