RIBF Research Division
- Radioactive Isotope Physics Laboratory
- Spin isospin Laboratory
- Nuclear Spectroscopy Laboratory
- High Energy Astrophysics Laboratory
- Nuclear Many-body Theory Laboratory
- Superheavy Element Research Group
- Superheavy Element Production Team
- Superheavy Element Research Device Development Team
- Astro-Glaciology Research Unit
Research Facility Development Division
Accelerator Applications Research Group
Subnuclear System Research Division
- Strangeness Nuclear Physics Laboratory
- Meson Science Laboratory
- RHIC Physics Research Group
- RIKEN Facility Office at RAL
Directly under the Nishina Center
Closed Laboratory
Superheavy Element Production Team

Laboratory Head
Kosuke MORITAD.Sci.
- 1984年九州大学理学研究課物理学専攻博士後期課程満期退学
- 1984年理化学研究所サイクロトロン研究室研究員補
- 1991年理化学研究所サイクロトロン研究室研究員
- 1993年博士(理学)九州大学
- 1993年理化学研究所サイクロトロン研究室先任研究員
- 2006年仁科センター森田超重元素研究室准主任研究員(現職)
新潟大、東京理科大、九大 客員教授(現職)
Staff

Research Areas
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.
Research Subject
- Search for new superheavy elements
- Decay spectroscopy of the heaviest nuclei
- Study of the chemical properties of the heaviest elements
- Study of the reaction mechanism of the fusion process (theory)
Press Release
List of Selected Publications
- H. Haba:
“Synthesis of superheavy elements –Synthesis and discovery of the superheavy elements with atomic number Z ≥ 113–” Radioisotopes (in press; in Japanese).
- 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).
- G. L. Wilson, M. Takeyama, A. N. Andreyev, B. Andel, S. Antalic, W. N. Catford, L. Ghys, H. Haba, F. P. Heßberger, M. Huang, D. Kaji, Z. Kalaninova, K. Morimoto, K. Morita, M. Murakami, K. Nishio, R. Orlandi, A. G. Smith, K. Tanaka, Y. Wakabayashi, and S. Yamaki:
“β-delayed fission of 230Am” Phys. Rev. C 96, 044315 (2017).
- 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).
- 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).
- 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).
- 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).
- T. Sumita, K. Morimoto, D. Kaji, H. Haba, K. Ozeki, R. Sakai, A. Yoneda, A. Yoshida, H. Hasebe, K. Katori, N. Sato, Y. Wakabayashi, S. Mitsuoka, S. Goto, M. Murakami, Y. Kariya, F. Tokanai, K. Mayama, M. Takeyama, T. Moriya, E. Ideguchi, T. Yamaguchi, H. Kikunaga, J. Chiba, and K. Morita:
“New result on the production of 277Cn by the 208Pb + 70Zn reaction” J. Phys. Soc. Jpn. 82, 024202 (2013).
- 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).
- H. Haba, D. Kaji, Y. Kudou, K. Morimoto, K. Morita, K. Ozeki, R. Sakai, T. Sumita, A. Yoneda, Y. Kasamatsu, Y. Komori, A. Shinohara, H. Kikunaga, H. Kudo, K. Nishio, K. Ooe, N. Sato, and K. Tsukada:
“Production of 265Sg in the 248Cm(22Ne,5n)265Sg reaction and decay properties of two isomeric states in 265Sg” Phys. Rev. C 85, 024611 (2012).