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Polarized RI Beam Team
Hideki UENO
Laboratory Head
Hideki UENO (D.Sci.)
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Research Areas

The team conducts the research and development on the production of spin-oriented radioactive-isotope beams (RIBs), and applies it to the research on nuclear physics, fundamental physics, and material science. The microscopic investigation of physical and chemical processes is performed based on nuclear techniques which takes the advantage of intrinsic nuclear properties and phenomena (spins, electromagnetic moments, decay modes etc.). In particular, the precession/resonance of a polarized/aligned nuclear spin under an external field is observed through a change in the angular distribution of radiation, for the study of nuclear structures via nuclear moments. The experimental methods and devices for fundamental physics research with polarized nuclei have been also developed. The same method, as well as the Möessbauer technique, are used for the investigation of condensed matter such as semiconductor, ferromagnets, fullerenes, systems with dilute magnetic impurities etc. by capitalizing radioactive nuclei as microscopic probes into them. All these research activities are to be extended to wide variety of unstable nuclei which RI Beam Factory (RIBF) provides. A method to produce beams of highly polarized radioactive nuclei, taking full advantage of RIBF, is being developed.

Research Subject

  1. Production of spin-oriented RI beams and its application to the nuclear-moment measurements of unstable nuclei
  2. RIPS upgrade and development of highly polarized slow RI beams
  3. Fundamental physics: study of symmetry
  4. Condensed matter studies using radioactive nuclear probe

Related links

  1. RIKEN Nishina Center for Accelerator-Based Science Website_Laboratories PageNew Window

List of Selected Publications

  1. Inoue, T., Tsuchiya, M., Furukawa, T., Hayashi, H., Nanao, T., Yoshimi, A., Uchida, M., Matsuo, Y., Asahi, K.
    "Frequency characteristics of a nuclear spin maser for the search for the electric dipole moment of 129Xe atom"
    Physica E 43, 847-850 (2011)
  2. Nagatomo, T., Ueno, H., Mihara, M., Matsuta, K., Yoshimi, A., Ichikawa, Y., Yamada, K., Kawamura., H., Ozawa, A., Moriguchi, T., Ishibashi, Y., Asahi, K., Uchida, M., Suzuki, K., Inoue, T., Hasama, Y., Iijima, H., Sumikama, T., Fukuda, M., Minnamisono, T.
    "Precise nuclear moments of extremely proton-rich nucleus 23Al"
    Hyperfine Interact 198, 103-107 (2010)
  3. Mihara, M., Izumikawa, T., Ueno, H., Matsuta, K., Nishimura, D., Nagatomo, T., Moriguchi, T., Ito, Y., Nagae, D., Fukuda, M., Yoshimi, A., Yamada, K., Takechi, M., Ichikawa, Y., Momota, S., Hirayama, Y., Ohtsubo, T., Suzuki, S., Kubo, T., Namiki, Y., Ozawa, A., Ishibashi, Y., Oishi, H., Suzuki, K., Hachiuma, I., Namihira, K., Horikawa, D., Minamisono, T., Yamaguchi, T., Kuboki, T., Suzuki, T., Satoh, K., Kobayashi, Y., Asahi, K., Matsukawa, K., Shirai, K.
    "Beta-NMR measurement of 58Cu in Si"
    Hyperfine Interact 197, 143-147 (2010)
  4. Nagatomo, T., Shimada, K., Asahi, K., Balabanski, D.L., Daugas, J.M., Depuydt, M., De Rydt, M., Gaudefroy, L., Grevy, S., Hasama, Y., Ichikawa, Y., Morel, P., Otsuka, T., Perrot, L., Stoel, C., Thomas, J.C., Utsuno, Y., Vanderheijden, W., Vermeulen, N., Vingerhoets, P., Yoshimi, A., Neyens, G., and Ueno, H,:
    "Electric quadrupole moment of the neutron-rich 33Al"
    Eur. Phys. J. A 42, 383-385 (2009)
  5. 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., and Murata, J,:
    "Ground-state electric quadrupole moment of 31Al"
    Phys. Rev. C 79, 027301 (2009)
  6. De Rydt, M., Balabanski, D.L., Daugas, J. M., Himpe, P., Kameda, D., Lozeva, R., Morel, P., Perrot, L., Shimada, K., Stoel, C., Sugimoto, T., Thomas, J.C., Ueno, H., Vermeulen, N., Vingerhoets, P., Yoshimi, A., and Neyens, G.:
    "g Factors of 17N and 18N remeasured"
    Phys. Rev. C 80, 037306 (2009)
  7. De Rydt, M., Neyens, G., Asahi, K., Balabanski, D.L., Daugas, J.M., Depuydt, M., Gaudefroy, L., Grevy, S., Hasama, Y., Ichikawa, Y., Morel, P., Nagatomo, T., Otsuka, T., Perrot, L., Shimada, K., Stoel, C., Thomas, J.C., Ueno, H., Utsuno, Y., Vanderheijden, W., Vermeulen, N., Vingerhoets, P., and Yoshimi, A.:
    "Precision measurement of the electric quadrupole moment of 31Al and determination of the effective proton charge in the sd-shell"
    Phys. Lett. B678, 344-349 (2009)
  8. Asahi, K., Shimada, K., Kameda, K., Nagae, D., Uchida, M., Suzuki, K., Inoue, T., Hatakeyama, N., Kagami, S., Hasama, Y., Ueno, H., Yoshimi, A., Nagatomo, T., Sugimoto, T., Ishihara, M., Murata, J., Kawamura, H., Narita, K.:
    "Study of neutron-rich nuclei through static electromagnetic moments"
    Int. J. Mod. Phys. E18, 2020 (2009)
  9. Ueno, H., Nagae, D., Kameda, D., Asahi, K., Takemura, M., Takase, K., Yoshimi, A., Sugimoto, T., Shimada, K., Nagatomo, T., Uchida, M., Arai, T., Inoue, T., Murata, J., Kawamura, H., Narita, K.:
    "Electric quadrupole moment of 31Al"
    Nucl. Phys. A 805, 329-331 (2008)
  10. Sato, W., Ueno, H., Watanabe, H., Miyoshi, H., Yoshimi, A., Kameda, D., Ito, T., Shimada, K., Kaihara, J., Suda, S., Kobayashi, Y., Shinohara, A., Ohkubo, Y., and Asahi, K
    "Online time-differential perturbed angular correlation study with an 19O beam - Residence sites of oxygen atoms in highly oriented pyrolytic graphite"
    Nucl. Instr. Meth. Phys. Res. B 266, 316-322 (2008)

Members

Principal Investigator

Hideki UENO
Laboratory Head

Staff Scientist

Yoshio KOBAYASHI
Senior Research Scientist

Postdoctoral Fellow

Yuichi ICHIKAWA
Special Postdoctoral Researcher

Student Trainee

Yoko ISHIBASHI
Junior Research Associate
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