RIKEN Nishina Center for Accelerator-Based Science Nuclear Chemistry Group
Director: Hiromitsu Haba (D.Sc.)
Research Summary

Nuclear Chemistry Group develops production technologies for useful radioisotopes (RIs) using the heavy ion accelerators at RIKEN RI Beam Factory, and conducts research on RI applications in the field of nuclear and radiochemistry. Industrial Application Research Team promotes industrial applications of the accelerator facility and its related technologies.
Main Research Fields
- Interdisciplinary Science & Engineering
Related Research Fields
- Environmental Science
- Complex Systems
- Social Sciences
- Mathematical & Physical Sciences
- Chemistry
- Engineering
Keywords
- Nuclear chemistry
- RI production and application
- Superheavy element science
- Sharing accelerator facilities for common use program
- Heavy-ion beams irradiation
Selected Publications
- 1.
M. Aikawa, S. Goto, D. Gantumur, D. Ichinkhorloo, N. Ukon, N. Otuka, S. Takács, and H. Haba:
"Activation cross sections of 7Li-induced reactions on natTi: Implications for monitor reactions"
Nucl. Instrum. Methods Phys. Res. Sect. B 559, 165579 (2025). - 2.
A. Yamaguchi, Y. Shigekawa, H. Haba, H. Kikunaga, K. Shirasaki, M. Wada, and H. Katori:
"Laser spectroscopy of triply charged 229Th isomer for a nuclear clock"
Nature 629, 62 (2024). - 3.
Y. Ode, A. R. Pradipta, P. Ahmadi, A. Ishiwata, A. Nakamura, Y. Egawa, Y. Kusakari, K. Muguruma, Y. Wang, X. Yin, N. Sato, H. Haba, and K. Tanaka:
"Therapeutic efficacy of 211At-radiolabeled 2,6-diisopropylphenyl azide in mouse models of human lung cancer"
Chem. Sci. 14, 8054 (2023). - 4.
H. Takashima, K. Ohnuki, S. Manabe, Y. Koga, R. Tsumura, T. Anzai, Y. Wang, X. Yin, N. Sato, Y. Shigekawa, A. Nambu, S. Usuda, H. Haba, H. Fujii, and M. Yasunaga:
"Tumor targeting of 211At-labeled antibody under sodium ascorbate protection against radiolysis"
Mol. Pharm. 20, 1156 (2023). - 5.
T. Yokokita, S. Yano, Y. Komori, and H. Haba:
"Anion- and cation-exchange studies of Zr, Hf, and Th using ion-exchange resin and fiber in H2SO4 media for chemical characterization of sulfate complex of Rf"
J. Radioanal. Nucl. Chem. 331, 1127 (2022). - 6.
Y. Shigekawa, A. Yamaguchi, K. Suzuki, H. Haba, T. Hiraki, H. Kikunaga, T. Masuda, S. Nishimura, N. Sasao, A. Yoshimi, and K. Yoshimura:
"Estimation of radiative half-life of 229mTh by half-life measurement of other nuclear excited states in 229Th"
Phys. Rev. C 104, 024306 (2021). - 7.
Y. Kasamatsu, K. Toyomura, H. Haba, T. Yokokita, Y. Shigekawa, A. Kino, Y. Yasuda, Y. Komori, J. Kanaya, M. Huang, M. Murakami, H. Kikunaga, E. Watanabe, T. Yoshimura, K. Morita, T. Mitsugashira, K. Takamiya, T. Ohtsuki, and A. Shinohara:
"Co-precipitation behaviour of single atoms of rutherfordium in basic solutions"
Nat. Chem. 13, 226 (2021). - 8.
T. Tanaka, K. Morita, K. Morimoto, D. Kaji, H. Haba, R. A. Boll, N. T. Brewer, S. Van Cleve, D. J. Dean, S. Ishizawa, Y. Ito, Y. Komori, K. Nishio, T. Niwase, B. C. Rasco, J. B. Roberto, K. P. Rykaczewski, H. Sakai, D. W. Stracener, and K. Hagino:
"Fusion dynamics for hot fusion reactions to synthesize superheavy nuclei revealed in quasielastic barrier distributions"
Phys. Rev. Lett. 124, 052502 (2020). - 9.
H. Haba, F. Fan, D. Kaji, Y. Kasamatsu, H. Kikunaga, Y. Komori, N. Kondo, H. Kudo, K. Morimoto, K. Morita, M. Murakami, K. Nishio, J. P. Omtvedt, K. Ooe, Z. Qin, D. Sato, N. Sato, T. K. Sato, Y. Shigekawa, A. Shinohara, M. Takeyama, T. Tanaka, A. Toyoshima, K. Tsukada, Y. Wakabayashi, Y. Wang, S. Wulff, S. Yamaki, S. Yano, Y. Yasuda, and T. Yokokita:
"Production of 266Bh in the 248Cm(23Na,5n)266Bh reaction and its decay properties"
Phys. Rev. C 102, 024625 (2020). - 10.
H. Haba:
"A new period in superheavy-element hunting"
Nat. Chem. 11, 10 (2019).
Recent Research Results
Lab Members
Principal investigator
- Hiromitsu Haba
- Director
Core members
- Yousuke Kanayama
- Technical Scientist
- Hiroo Hasebe
- Technical Scientist
- Yudai Shigekawa
- Postdoctoral Researcher
- Sayantani Mitra
- Postdoctoral Researcher
- Hiromichi Shimizu
- Postdoctoral Researcher
- Akihiro Nambu
- Technical Staff I
- Yayoi Ikawa
- Technical Staff I
- Teruhito Nakashita
- Junior Research Associate
- Nozomi Sato
- Research Part-time Worker I
- Michiko Kitagawa
- Research Part-time Worker I
- Keiko Watanabe
- Research Part-time Worker I
- Minako Osanai
- Research Part-time Worker II
- Kazuya Takahashi
- Special Temporary Research Scientist
- Tamaki Watanabe
- Special Temporary Technical Scientist
Careers
Position | Deadline |
---|---|
Seeking a Postdoctoral Researcher or Contract Researcher (W24141) | Open until filled |
Contact Information
Nishina Bldg.
2-1 Hirosawa
Wako, Saitama
351-0198 Japan
Email: haba:@riken.jp
Organization
- Industrial Application Research Team
- Atsushi Yoshida (D.Sc.)