Estimation of radiative half-life of $^{229m}$Th by half-life measurement of other nuclear excited states in $^{229}$Th

Autor: Shigekawa, Y., Yamaguchi, A., Suzuki, K., Haba, H., Hiraki, T., Kikunaga, H., Masuda, T., Nishimura, S., Sasao, N., Yoshimi, A., Yoshimura, K.

Publikováno v: Phys. Rev. C 104, 024306 (2021)

We perform coincidence measurements between $\alpha$ particles and $\gamma$ rays from a $^{233}$U source to determine the half-lives of the excited state in a $^{229}$Th nucleus. We first prove that the half-lives of 42.43- and 164.53-keV states are

Externí odkaz: http://arxiv.org/abs/2108.01929

Laser spectroscopy of triply charged ²²⁹ Th isomer for a nuclear clock.

Autor: Yamaguchi A; Quantum Metrology Laboratory, RIKEN, Wako, Japan. atsushi.yamaguchi.fv@riken.jp.; RIKEN Center for Advanced Photonics, Wako, Japan. atsushi.yamaguchi.fv@riken.jp.; PRESTO, Japan Science and Technology Agency, Kawaguchi, Japan. atsushi.yamaguchi.fv@riken.jp., Shigekawa Y; Nishina Center for Accelerator-Based Science, RIKEN, Wako, Japan., Haba H; Nishina Center for Accelerator-Based Science, RIKEN, Wako, Japan., Kikunaga H; Research Center for Electron Photon Science, Tohoku University, Sendai, Japan., Shirasaki K; Institute for Materials Research, Tohoku University, Sendai, Japan., Wada M; KEK Wako Nuclear Science Center, Wako, Japan., Katori H; Quantum Metrology Laboratory, RIKEN, Wako, Japan.; RIKEN Center for Advanced Photonics, Wako, Japan.; Department of Applied Physics, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan.

Publikováno v: Nature [Nature] 2024 May; Vol. 629 (8010), pp. 62-66. Date of Electronic Publication: 2024 Apr 17.

α(PS)-γ(Ge) digital anti-coincidence spectroscopy and its application to activity measurement of ²²⁵ Ac.

Autor: Mori KI; Sector of Nuclear Science Research, Japan Atomic Energy Agency, Japan., Yamada T; Atomic Energy Research Institute, Kindai University, Japan. Electronic address: tyamada@kindai.ac.jp., Sato Y; Research Institute for Measurement and Analytical Instrumentation, National Metrology Institute of Japan, Japan., Nagatsu K; Department of Advanced Nuclear Medicine Sciences, National Institutes for Quantum and Radiological Science and Technology, Japan., Kikunaga H; Research Center for Electron Photon Science, Tohoku University, Japan.

Publikováno v: Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine [Appl Radiat Isot] 2023 Dec; Vol. 202, pp. 111061. Date of Electronic Publication: 2023 Sep 29.

Production of Bh 266 in the Cm 248 (Na 23,5n) Bh 266 reaction and its decay properties

Autor: Haba, H., Fan, F., Kaji, D., Kasamatsu, Y., Kikunaga, H., Komori, Yukiko, Kondo, N., Kudo, H., Morimoto, K., Morita, K., Murakami, M., Nishio, K., Omtvedt, Jon Petter, Ooe, K., Qin, Zhi, Sato, D., Sato, N., Sato, T.K., Shigekawa, Y., Shinohara, A., Takeyama, M., Tanaka, T., Toyoshima, A., Tsukada, Kazuaki, Wakabayashi, Y., Wang, Y., Wulff, Solveig Birgitte Aker, Yamaki, S., Yano, S., Yasuda, Y., Yokokita, T.

Publikováno v: Haba, H. Fan, F. Kaji, D. Kasamatsu, Y. Kikunaga, H. Komori, Yukiko Kondo, N. Kudo, H. Morimoto, K. Morita, K. Murakami, M. Nishio, K. Omtvedt, Jon Petter Ooe, K. Qin, Zhi Sato, D. Sato, N. Sato, T.K. Shigekawa, Y. Shinohara, A. Takeyama, M. Tanaka, T. Toyoshima, A. Tsukada, Kazuaki Wakabayashi, Y. Wang, Y. Wulff, Solveig Birgitte Aker Yamaki, S. Yano, S. Yasuda, Y. Yokokita, T. . Production of Bh 266 in the Cm 248 (Na 23,5n) Bh 266 reaction and its decay properties. Physical Review C. 2020, 102(2)
Physical Review C

Externí odkaz: http://hdl.handle.net/10852/84090
https://www.duo.uio.no/bitstream/handle/10852/84090/1/Haba_266Bh_production_decay_properties_PhysRevC102_024625_2020.pdf

The HKT1 Na ⁺ transporter protects plant fertility by decreasing Na ⁺ content in stamen filaments.

Autor: Uchiyama T; Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan., Saito S; Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan., Yamanashi T; Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan., Kato M; Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan., Takebayashi K; Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan., Hamamoto S; Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan., Tsujii M; Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan., Takagi T; Department of Chemical and Biological Sciences, Faculty of Science, Japan Women's University, Bunkyo-ku, Tokyo 112-8681, Japan., Nagata N; Department of Chemical and Biological Sciences, Faculty of Science, Japan Women's University, Bunkyo-ku, Tokyo 112-8681, Japan., Ikeda H; Research Center for Electron Photon Science, Tohoku University, Sendai 982-0826, Japan.; Cyclotron and Radioisotope Center, Tohoku University, Sendai 980-8578, Japan., Kikunaga H; Research Center for Electron Photon Science, Tohoku University, Sendai 982-0826, Japan., Suda T; Research Center for Electron Photon Science, Tohoku University, Sendai 982-0826, Japan., Toyama S; Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan., Miwa M; Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan., Matsuyama S; Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan., Seo M; RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan., Horie T; Division of Applied Biology, Faculty of Textile Science and Technology, Shinshu University, Ueda 386-8567, Japan., Kuromori T; Advanced Science Research Center, Okayama University, Okayama 700-8530, Japan., Yamagami M; Institute for Environmental Sciences, Aomori 039-3212, Japan., Ishimaru Y; Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan., Uozumi N; Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan.

Publikováno v: Science advances [Sci Adv] 2023 Jun 02; Vol. 9 (22), pp. eadg5495. Date of Electronic Publication: 2023 Jun 02.