Nuclear structure explored by β-delayed decay spectroscopy of spin-polarized radioactive nuclei at TRIUMF ISAC-1: Intruder configurations in 29Mg and 30Mg, the nuclei in the region of island of inversion

T. Shimoda, K. Tajiri, K. Kura, A. Odahara, M. Suga, Y. Hirayama, N. Imai, H. Miyatake, M. Pearson, C. D.P. Levy, K. P. Jackson, R. Legillon, C. Petrache, T. Fukuchi, N. Hamatani, T. Hori, M. Kazato, Y. Kenmoku, T. Masue, H. NishibataT. Suzuki, A. Takashima, R. Yokoyama

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Spin-polarized radioactive nuclear beams at TRIUMF enable a new spectroscopic method which efficiently assigns spins and parities of the daughter levels by taking advantage of the asymmetric β-decay of the polarized parent nucleus. This method was successfully applied to structure studies of 29Mg and 30Mg in connection with the physics of the "island of inversion". In 29Mg, two low-lying levels with intruder configuration were assigned. In 30Mg, coexistence of spherical shape, prolate shape and γ-collectivity was strongly suggested.

Original languageEnglish
Pages (from-to)183-191
Number of pages9
JournalHyperfine Interactions
Volume225
Issue number1-3
DOIs
Publication statusPublished - Jan 1 2014
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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    Shimoda, T., Tajiri, K., Kura, K., Odahara, A., Suga, M., Hirayama, Y., Imai, N., Miyatake, H., Pearson, M., Levy, C. D. P., Jackson, K. P., Legillon, R., Petrache, C., Fukuchi, T., Hamatani, N., Hori, T., Kazato, M., Kenmoku, Y., Masue, T., ... Yokoyama, R. (2014). Nuclear structure explored by β-delayed decay spectroscopy of spin-polarized radioactive nuclei at TRIUMF ISAC-1: Intruder configurations in 29Mg and 30Mg, the nuclei in the region of island of inversion. Hyperfine Interactions, 225(1-3), 183-191. https://doi.org/10.1007/s10751-013-0895-5