Measurement of electric quadrupole moments for 31Al using spin polarized RI beams

D. Nagae, K. Asahi, H. Ueno, D. Kameda, M. Takemura, K. Takase, Akihiro Yoshimi, T. Sugimoto, T. Nagatomo, Y. Kobayashi, M. Uchida, K. Shimada, T. Arai, T. Inoue, S. Kagami, N. Hatakeyama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The electromagnetic moment is a sensitive probe to investigate microscopic structure. In order to measure the electromagnetic moment, β-NMR and β-NQR methods are employed taking advantage of the fragment spin polarization produced by the fragmentation reaction. The measurement of the electric quadrupole moment for ground-state 31Al has been been carried out by β-NQR method. Spin-polarized 31Al nuclei were obtained from the fragmentation of 40Ar projectiles, and were implanted in α-Al2O3 stopper. The electric quadrupole moment was deduced from the measured quadrupole coupling constant. The obtained value is Q(31Al) = 104(9) emb.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages853-856
Number of pages4
Volume915
DOIs
Publication statusPublished - 2007
Externally publishedYes
Event17th International Spin Physics Symposium - Kyoto, Japan
Duration: Oct 2 2006Oct 7 2006

Other

Other17th International Spin Physics Symposium
CountryJapan
CityKyoto
Period10/2/0610/7/06

Fingerprint

quadrupoles
moments
fragmentation
electromagnetism
projectiles
fragments
nuclear magnetic resonance
nuclei
ground state
probes
polarization

Keywords

  • β-NMR method
  • β-NQR method
  • 31A1
  • Electric quadrupole moment
  • Nuclear structure
  • Spin-polarized radioactive nuclei

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Nagae, D., Asahi, K., Ueno, H., Kameda, D., Takemura, M., Takase, K., ... Hatakeyama, N. (2007). Measurement of electric quadrupole moments for 31Al using spin polarized RI beams. In AIP Conference Proceedings (Vol. 915, pp. 853-856) https://doi.org/10.1063/1.2750911

Measurement of electric quadrupole moments for 31Al using spin polarized RI beams. / Nagae, D.; Asahi, K.; Ueno, H.; Kameda, D.; Takemura, M.; Takase, K.; Yoshimi, Akihiro; Sugimoto, T.; Nagatomo, T.; Kobayashi, Y.; Uchida, M.; Shimada, K.; Arai, T.; Inoue, T.; Kagami, S.; Hatakeyama, N.

AIP Conference Proceedings. Vol. 915 2007. p. 853-856.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nagae, D, Asahi, K, Ueno, H, Kameda, D, Takemura, M, Takase, K, Yoshimi, A, Sugimoto, T, Nagatomo, T, Kobayashi, Y, Uchida, M, Shimada, K, Arai, T, Inoue, T, Kagami, S & Hatakeyama, N 2007, Measurement of electric quadrupole moments for 31Al using spin polarized RI beams. in AIP Conference Proceedings. vol. 915, pp. 853-856, 17th International Spin Physics Symposium, Kyoto, Japan, 10/2/06. https://doi.org/10.1063/1.2750911
Nagae D, Asahi K, Ueno H, Kameda D, Takemura M, Takase K et al. Measurement of electric quadrupole moments for 31Al using spin polarized RI beams. In AIP Conference Proceedings. Vol. 915. 2007. p. 853-856 https://doi.org/10.1063/1.2750911
Nagae, D. ; Asahi, K. ; Ueno, H. ; Kameda, D. ; Takemura, M. ; Takase, K. ; Yoshimi, Akihiro ; Sugimoto, T. ; Nagatomo, T. ; Kobayashi, Y. ; Uchida, M. ; Shimada, K. ; Arai, T. ; Inoue, T. ; Kagami, S. ; Hatakeyama, N. / Measurement of electric quadrupole moments for 31Al using spin polarized RI beams. AIP Conference Proceedings. Vol. 915 2007. pp. 853-856
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AU - Asahi, K.

AU - Ueno, H.

AU - Kameda, D.

AU - Takemura, M.

AU - Takase, K.

AU - Yoshimi, Akihiro

AU - Sugimoto, T.

AU - Nagatomo, T.

AU - Kobayashi, Y.

AU - Uchida, M.

AU - Shimada, K.

AU - Arai, T.

AU - Inoue, T.

AU - Kagami, S.

AU - Hatakeyama, N.

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AB - The electromagnetic moment is a sensitive probe to investigate microscopic structure. In order to measure the electromagnetic moment, β-NMR and β-NQR methods are employed taking advantage of the fragment spin polarization produced by the fragmentation reaction. The measurement of the electric quadrupole moment for ground-state 31Al has been been carried out by β-NQR method. Spin-polarized 31Al nuclei were obtained from the fragmentation of 40Ar projectiles, and were implanted in α-Al2O3 stopper. The electric quadrupole moment was deduced from the measured quadrupole coupling constant. The obtained value is Q(31Al) = 104(9) emb.

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KW - Nuclear structure

KW - Spin-polarized radioactive nuclei

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