Radioactive core ions of microclusters, "snowballs" in superfluid helium

N. Takahashi, T. Shimoda, Y. Fujita, H. Miyatake, Y. Mizoi, H. Kobayashi, M. Sasaki, T. Shirakura, T. Itahashi, S. Mitsuoka, T. Matsukawa, N. Ikeda, S. Morinobu, D. J. Hinde, K. Asahi, H. Ueno, H. Izumi

Research output: Contribution to journalArticle

Abstract

Short-lived beta-ray emitters, 12B, sustaining nuclear spin polarization were introduced into superfluid helium. The nuclear polarization of 12B was observed via measurement of beta-ray asymmetry. It was found that the nuclear polarization was preserved throughout the lifetime of 12B (20.3 ms). This suggests that the "snowball", an aggregation of helium atoms produced around an alien ion, constitutes a suitable milieu for freezing-cut the nuclear spin of the core ion and that most likely the solidification takes place at the interior of the aggregation.

Original languageEnglish
Pages (from-to)351-358
Number of pages8
JournalHyperfine Interactions
Volume103
Issue number1-4
Publication statusPublished - Dec 1 1996

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Superfluid helium
Agglomeration
helium
Ions
Polarization
nuclear spin
Helium
Spin polarization
rays
polarization
Freezing
Solidification
ions
sustaining
helium atoms
Atoms
freezing
solidification
emitters
asymmetry

All Science Journal Classification (ASJC) codes

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

Cite this

Takahashi, N., Shimoda, T., Fujita, Y., Miyatake, H., Mizoi, Y., Kobayashi, H., ... Izumi, H. (1996). Radioactive core ions of microclusters, "snowballs" in superfluid helium. Hyperfine Interactions, 103(1-4), 351-358.

Radioactive core ions of microclusters, "snowballs" in superfluid helium. / Takahashi, N.; Shimoda, T.; Fujita, Y.; Miyatake, H.; Mizoi, Y.; Kobayashi, H.; Sasaki, M.; Shirakura, T.; Itahashi, T.; Mitsuoka, S.; Matsukawa, T.; Ikeda, N.; Morinobu, S.; Hinde, D. J.; Asahi, K.; Ueno, H.; Izumi, H.

In: Hyperfine Interactions, Vol. 103, No. 1-4, 01.12.1996, p. 351-358.

Research output: Contribution to journalArticle

Takahashi, N, Shimoda, T, Fujita, Y, Miyatake, H, Mizoi, Y, Kobayashi, H, Sasaki, M, Shirakura, T, Itahashi, T, Mitsuoka, S, Matsukawa, T, Ikeda, N, Morinobu, S, Hinde, DJ, Asahi, K, Ueno, H & Izumi, H 1996, 'Radioactive core ions of microclusters, "snowballs" in superfluid helium', Hyperfine Interactions, vol. 103, no. 1-4, pp. 351-358.
Takahashi N, Shimoda T, Fujita Y, Miyatake H, Mizoi Y, Kobayashi H et al. Radioactive core ions of microclusters, "snowballs" in superfluid helium. Hyperfine Interactions. 1996 Dec 1;103(1-4):351-358.
Takahashi, N. ; Shimoda, T. ; Fujita, Y. ; Miyatake, H. ; Mizoi, Y. ; Kobayashi, H. ; Sasaki, M. ; Shirakura, T. ; Itahashi, T. ; Mitsuoka, S. ; Matsukawa, T. ; Ikeda, N. ; Morinobu, S. ; Hinde, D. J. ; Asahi, K. ; Ueno, H. ; Izumi, H. / Radioactive core ions of microclusters, "snowballs" in superfluid helium. In: Hyperfine Interactions. 1996 ; Vol. 103, No. 1-4. pp. 351-358.
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