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Nuclear Spectroscopy Laboratory

Laboratory Head
Hideki UENOD.Sci.
  • 1991年東京工業大学理学部応用物理学科卒業
  • 1995年日本学術振興会特別研究員
  • 1995年東京工業大学 大学院理工学研究科応用物理学専攻博士退(1996年 東京工業大学博士(理学))
  • 1995年大阪大学理学部助手
  • 2000年理化学研究所研究員(2005年より先任研究員、2008年より専任研究員)
  • 2009年同 仁科加速器科学研究センター偏極RIビーム生成装置開発チームリーダー(現在に至る)
  • 2010年同 共用促進・産業連携部 共用促進チームリーダー(現在に至る)
  • 2011年同 共用促進・産業連携部 副部長(現在に至る)


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 methods are used for the investigation of condensed matter such as semiconductor, ferromagnets, and others 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

List of Selected Publications

  1. Hase, M., Ebukuro, Y., Kuroe, H., Matsumoto, M., Matsuo, A., Kindo, K., Hester, J.R., Sato, T.J., and Yamazaki, H.:
    "Magnetism of the antiferromagnetic spin-3/2 dimer compound CrVMoO7 having an antiferromagnetically ordered state"
    Phys. Rev. B 95, 144429 (2017).
  2. Heylen, H., De Rydt, M. Neyens, G., Bissell, M.L., Caceres, L., Chevrier, R., Daugas, J.M., Ichikawa, Y., Ishibashi, Y., Kamalou, O., Mertzimekis, T.J., Morel, P., Papuga, J., Poves, A., Rajabali, M.M., Stödel, C., Thomas, J.C., Ueno, H., Utsuno, Y., Yoshida, N., and Yoshimi, A.:
    "High-precision quadrupole moment reveals significant intruder component in 3313Al20 ground state"
    Phys. Rev. C 94, 034312 (2016).
  3. Kusoglu, A., Georgiev, G., Sotty, C., Balabanski, D.L., Goasduff, A., Ishii, Y., Abe, Y., Asahi, K., Bostan, M., Chevrier, R., Chikamori, M., Daugas, J.M., Furukawa, T., Nishibata, H., Ichikawa, Y., Ishibashi, Y., Lozeva, R., Miyatake, H., Nagae, D., Nanao, T., Niikura, M., Niwa, T., Okada, S., Ozawa, A., Saito, Y., Shirai, H., Ueno, H., Yordanov, D.T., and Yoshida N.:
    "Magnetic moment of the 13/2+ isomeric state in Cu69: Spin alignment in the one-nucleon removal reaction"
    Phys. Rev. C 93, 054313 (2016).
  4. Inoue, T., Furukawa, T., Yoshimi, A., Nanao, T., Chikamori, M., Suzuki, K., Hayashi, H., Miyatake, H., Ichikawa, Y., Tsuchiya, M., Hatakeyama, N.. Kagami, S., Uchida, M., Ueno, H., Matsuo, Y., Fukuyama, T., and Asahi, K.:
    "Frequency characteristics of nuclear spin oscillator with an artificial feedback toward search for 129Xe atomic electric dipole moment"
    Eur. Phys. J. D 70, 129 (2016).
  5. Takamine, A., Wada, M., Okada, K., Ito, Y., Schury, P., Arai, F., Katayama, I., Imamura, K., Ichikawa, Y., Ueno, H., Wollnik, H., Shuessler, H.A.:
    "Towards high precision measurements of nuclear g-factors for the Be isotopes"
    Nucl. Instr. Meth. Phys. Res. B 376, pp. 307−310 (2016).
  6. Ueno, H., and Ichikawa, Y.:
    "Spin-Aligned Radioactive Isotope Beams via Two-Step Fragmentation Reaction"
    Nucl. Phys. News 25, 12−16 (2015).
  7. Yang, X.F., Furukawa, T., Wakui, T., Fujita, T., Imamura, K., Mitsuya, Y., Hayasaka, M., Ichikawa, Y., Ishibashi, Y., Shirai, H., Suzuki, T., Ebata, Y., Hatakeyama, A., Wada, M., Sonoda, T., Ito, Y., Kobayashi, T., Nishimura, S., Kurata-Nishimura, M., Kondo, Y., Yoneda, K., Kubono, S., Ohshiro, Y., Ueno, H., Shinozuka, T., Shimoda, T., Asahi, K., and Matsuo, Y.:
    "Laser–radio-frequency double-resonance spectroscopy of 84−87Rb isotopes trapped"
    Phys. Rev. A 90, 052516, (2014).
  8. Ueno, H., Miyatake, H., Yamamoto, Y., Tanimoto, S., Shimoda, T., Aoi, N., Asahi, K., Ideguchi, E., Ishihara, M., Izumi, H., Kishida, T., Kubo, T., Mitsuoka, S., Mizoi, Y., Notani, M., Ogawa, H., Ozawa, A., Sasaki, M., Shirakura, T., Takahashi, N., and Yoneda, K.:
    "Beta-delayed neutron and gamma-ray spectroscopy of 17C utilizing spin-polarized 17B"
    Phys. Rev. C 87, 034316 (2013).
  9. Ichikawa, Y., Ueno, H., Ishii, Y., Furukawa, T., Yoshimi, A., Kameda, D., Watanabe, H., Aoi, N., Asahi, K., Balabanski, D.L., Chevrier, R., Daugas, J.M. , Fukuda, N., Georgiev, G., Hayashi, H., Iijima, H., Inabe, N., Inoue, T., Ishihara, M., Kubo, T., Nanao, T., Ohnishi, T., Suzuki, K., Tsuchiya, M., Takeda, H., and Rajabali, M.M.:
    "Production of spin-controlled rare isotope beams"
    Nature Phys. 8, 918-922 (2012).
  10. Chevrier, R., Daugas, J.M. , Gaudefroy, L., Ichikawa, Y., Ueno, H., Hass, M., H. Haas, Cottenier, S., Aoi, N., Asahi, K., Balabanski, D.L., Fukuda, N., Furukawa, T., Georgiev, G., Hayashi, H., Iijima, H., Inabe, N., Inoue, T., Ishihara, M., Ishii, Y., Kameda, D., Kubo, T., Nanao, T., Neyens, G., Ohnishi, T., Rajabali, M.M., Suzuki, K., Takeda, H., Tsuchiya, M., Vermeulen, N., Watanabe, H., and Yoshimi, A.:
    "Is the 7/2– isomer state of 43S spherical?"
    Phys. Rev. Lett. 108, 162501 (2012).


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