研究概要

主要論文

「*」は、理研外のみでの成果です。

• 1. *Shigekawa, Y., Yamaguchi, A., Tokoi, K., Sato, N., Kikunaga, H., Shirasaki, K., Kasamatsu, Y., Wada, M., and Haba, H.:
  "Lifetime of the singly charged 229Th nuclear isomer"
  Nat. Phys. (2026).
• 2. *Hiraki, T., Okai, K., Bartokos, M., Beeks, K., Fujimoto, H., Fukunaga, Y., Haba, H., Kasamatsu, Y., Kitao, S., Leitner, A., Masuda, T., Guan, M., Nagasawa, N., Ogake, R., Pimon, M., Pressler, M., Sasao, N., Schaden, F., Schumm, T., Seto, M., Shigekawa, Y., Shimizu, K., Sikorsky, T., Tamasaku, K., Takatori, S., Watanabe, T., Yamaguchi, A., Yoda, Y., Yoshimi, A., and Yoshimura, K.:
  "Controlling 229Th isomeric state population in a VUV transparent crystal"
  Nat. Commun. 15, 5536 (2024).
• 3. *Yamaguchi, A., Shigekawa, Y., Haba, H., Kikunaga, H., Shirasaki, K., Wada, M., and Katori, H.:
  "Laser spectroscopy of triply charged 229Th isomer for a nuclear clock"
  Nature 629, 62 (2024).
• 4. *Yamaguchi, A., Muramatsu, H., Hayashi, T., Yuasa, N., Nakamura, K., Takimoto, M., Haba, H., Konashi, K., Watanabe, M., Kikunaga, H., Maehata, K., Yamasaki, N. Y., and Mitsuda, K.:
  "Energy of the 229Th Nuclear Clock Isomer Determined by Absolute -ray Energy Difference"
  Phys. Rev. Lett. 123, 222501 (2019).
• 5. *Masuda, T., Yoshimi, A., Fujieda, A., Fujimoto, H., Haba, H., Hara, H., Hiraki, T., Kaino, H., Kasamatsu, Y., Kitao, S., Konashi, K., Miyamoto, Y., Okai, K., Okubo, S., Sasao, N., Seto, M., Schumm, T., Shigekawa, Y., Suzuki, K., Stellmer, S., Tamasaku, K., Uetake, S., Watanabe, M., Watanabe, T., Yasuda, Y., Yamaguchi, A., Yoda, Y., Yokokita, T., Yoshimura, M., and Yoshimura, K.:
  "X-ray pumping of the 229Th nuclear clock isomer"
  Nature 573, 238 (2019).

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