Ground-state electric quadrupole moment of Al31

D. Nagae, H. Ueno, D. Kameda, M. Takemura, K. Asahi, K. Takase, A. Yoshimi, T. Sugimoto, K. Shimada, T. Nagatomo, M. Uchida, T. Arai, T. Inoue, S. Kagami, N. Hatakeyama, H. Kawamura, K. Narita, J. Murata

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Abstract

The ground-state electric quadrupole moment of Al31(Iπ=5/2+,T1/2=644(25) ms) has been measured by means of β-ray-detected nuclear magnetic resonance spectroscopy using a spin-polarized Al31 beam produced in the projectile fragmentation reaction. The obtained Q moment, |Qexp(Al31)|=112(32)emb, is in agreement with conventional shell model calculations within the sd valence space. Previous results on the magnetic moment also support the validity of the sd model in this isotope, and thus it is concluded that Al31 is located outside of the island of inversion.

Original languageEnglish
Article number027301
JournalPhysical Review C - Nuclear Physics
Volume79
Issue number2
DOIs
Publication statusPublished - Feb 2 2009
Externally publishedYes

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Nagae, D., Ueno, H., Kameda, D., Takemura, M., Asahi, K., Takase, K., Yoshimi, A., Sugimoto, T., Shimada, K., Nagatomo, T., Uchida, M., Arai, T., Inoue, T., Kagami, S., Hatakeyama, N., Kawamura, H., Narita, K., & Murata, J. (2009). Ground-state electric quadrupole moment of Al31. Physical Review C - Nuclear Physics, 79(2), [027301]. https://doi.org/10.1103/PhysRevC.79.027301