Magnetic moments of proton drip-line nuclei13O and9C

  • K. Matsuta*
  • , T. Minamisono
  • , M. Tanigaki
  • , M. Fukuda
  • , Y. Nojiri
  • , M. Mihara
  • , T. Onishi
  • , T. Yamaguchi
  • , A. Harada
  • , M. Sasaki
  • , T. Miyake
  • , K. Minamisono
  • , T. Fukao
  • , K. Sato
  • , Y. Matsumoto
  • , T. Ohtsubo
  • , S. Fukuda
  • , S. Momota
  • , K. Yoshida
  • , A. Ozawa
  • T. Kobayashi, I. Tanihata, J. R. Alonso, G. F. Krebs, T. J.M. Symons
*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The magnetic moments of the proton drip-line nuclei 13O(Iπ = 3/2-, T1/2 = 8.6 ms) and 9C(Iπ = 3/2-, T1/2 = 126 ms) have been determined for the first time through the combined techniques of polarized radioactive nuclear beams and β-NMR detection. The observed magnetic moments are |μ(13O)| = 1.3891 ± 0.0003 μN and |μ(9C)| = 1.3914 ± 0.0005 μN. Spin expectation values (a) are deduced to be 0.76 and 1.44 for 13O and 9C, respectively. While the (a) of 130 is consistent with the systematics from isospin T =1/2 mirror pairs, the (σ) of 9C is unusually large, even far larger than the single particle value, (σ) = 1.

Original languageEnglish
Pages (from-to)519-526
Number of pages8
JournalHyperfine Interactions
Volume97-98
Issue number1
DOIs
StatePublished - 1996
Externally publishedYes

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