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RIKEN Nishina Center for Accelerator-Based Science Superheavy Element Production Team

Team Leader: Hiromitsu Haba (D.Sci.)

Research Summary

Hiromitsu  Haba(D.Sci.)

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

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

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