RIKEN Nishina Center for Accelerator-Based Science Superheavy Element Production Team
Team Leader: Hiromitsu Haba (D.Sc.)
Research Summary

Superheavy Element Production Team investigates synthesis of superheavy elements (SHEs), nuclear properties of SHE nuclei, and chemical properties of SHEs in collaboration with Superheavy Element Devise Development Team and Nuclear Chemistry Research Team of RIKEN Nishina Center.
Main Research Fields
- Mathematical & Physical Sciences
Related Research Fields
- Interdisciplinary Science & Engineering
- Chemistry
- Particle/Nuclear/Cosmic ray/Astro physics
- Inorganic chemistry
- Quantum beam science
Keywords
- Superheavy Element
- New Element
- Nuclear Physics
- Nuclear Chemistry
Selected Publications
- 1.
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). - 2.
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). - 3.
H. Haba.:
"A new period in superheavy-element hunting"
Nat. Chem. 11, 10 (2019). - 4.
H. Haba.:
"Synthesis of superheavy elements –Synthesis and discovery of the superheavy elements with atomic number Z ≥ 113–"
Radioisotopes 67, 277 (2018) (in Japanese). - 5.
T. Tanaka, Y. Narikiyo, K. Morita, K. Fujita, D. Kaji, K. Morimoto, S. Yamaki, Y. Wakabayashi, K. Tanaka, M. Takeyama, A. Yoneda, H. Haba, Y. Komori, S. Yanou, B. J.-P. Gall, Z. Asfari, H. Faure, H. Hasebe, M. Huang, J. Kanaya, M. Murakami, A. Yoshida, T. Yamaguchi, F. Tokanai, T. Yoshida, S. Yamamoto, Y. Yamano, K. Watanabe, S. Ishizawa, M. Asai, R. Aono, S. Goto, K. Katori, and K. Hagino.:
"Determination of fusion barrier distributions from quasielastic scattering cross sections towards superheavy nuclei synthesis"
J. Phys. Soc. Jpn. 87, 014201 (2018). - 6.
D. Kaji, K. Morita, K. Morimoto, H. Haba, M. Asai, K. Fujita, Z. Gan, H. Geissel, H. Hasebe, S. Hofmann, M. Huang, Y. Komori, L. Ma, J. Maurer, M. Murakami, M. Takeyama, F. Tokanai, T. Tanaka, Y. Wakabayashi, T. Yamaguchi, S. Yamaki, and A. Yoshida.:
"Study of the reaction 48Ca + 248Cm → 296Lv * at RIKEN-GARIS"
J. Phys. Soc. Jpn. 86, 034201 (2017). - 7.
N. Sato, T. K. Sato, M. Asai, A. Toyoshima, K. Tsukada, Z. J. Li, K. Nishio, Y. Nagame, M. Schädel, H. Haba, S. Ichikawa, and H. Kikunaga.:
"Production of 256Lr in the 249,250,251Cf + 11B, 243Am + 18O, and 248Cm + 14N reactions"
Radiochim. Acta 102, 211 (2014). - 8.
H. Haba, M. Huang, D. Kaji, J. Kanaya, Y. Kudou, K. Morimoto, K. Morita, M. Murakami, K. Ozeki, R. Sakai, T. Sumita, Y. Wakabayashi, A. Yoneda, Y. Kasamatsu, Y. Kikutani, Y. Komori, K. Nakamura, A. Shinohara, H. Kikunaga, H. Kudo, K. Nishio, A. Toyoshima, and K. Tsukada.:
"Production of 262Db in the 248Cm(19F,5n)262Db reaction and decay properties of 262Db and 258Lr"
Phys. Rev. C 89, 024618 (2014). - 9.
M. Murakami, S. Goto, H. Murayama, T. Kojima, H. Kudo, D. Kaji, K. Morimoto, H. Haba, Y. Kudou, T. Sumita, R. Sakai, A. Yoneda, K. Morita, Y. Kasamatsu, H. Kikunaga, and T. K. Sato.:
"Excitation functions for production of Rf isotopes in the 248Cm + 18O reaction"
Phys. Rev. C 88, 024618 (2013). - 10.
K. Morita, K. Morimoto, D. Kaji, H. Haba, K. Ozeki, Y. Kudou, T. Sumita, Y. Wakabayashi, A. Yoneda, K. Tanaka, S. Yamaki, R. Sakai, T. Akiyama, S. Goto, H. Hasebe, M. Huang, T. Huang, E. Ideguchi, Y. Kasamatsu, K. Katori, Y. Kariya, H. Kikunaga, H. Koura, H. Kudo, A. Mashiko, K. Mayama, S. Mitsuoka, T. Moriya, M. Murakami, H. Murayama, S. Namai, A. Ozawa, N. Sato, K. Sueki, M. Takeyama, F. Tokanai, T. Yamaguchi, and A. Yoshida.:
"New result in the production and decay of an isotope, 278113, of the 113th element"
J. Phys. Soc. Jpn. 81, 103201 (2012).
Recent Research Results
Sep. 27, 2012
Search for element 113 concluded at last
Lab Members
Principal investigator
- Hiromitsu Haba
- Team Leader
Core members
- Daiya Kaji
- Research & Development Scientist
- Tomohiro Hayamizu
- Special Postdoctoral Researcher
Contact Information
Nishina Bldg.
2-1 Hirosawa,
Wako, Saitama
351-0198, Japan
Email: haba [at] riken.jp