Status of heavy element research using a gas-filled recoil separator at RIKEN

Kosuke Morita, Kouji Morimoto, Daiya Kaji, Yu Liang Zhao, Atsushi Yoshida, Toshimi Suda, Akira Yoneda, Tetsuya Ohnishi, Hiromitsu Haba, Eiji Ideguchi, Hu Shan Xu, Tao Zheng, Hisaaki Kudo, Keisuke Sueki, Kenji Katori, Isao Tanihata

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


A gas-filled type of recoil separator for heavy element research was installed at an experimental hall of RIKEN Linear Accelerator facility to realize getting higher intensity of primary beam and long beam time. Performance of the separator was studied using target recoils and various nuclear reactions. The results show the high performance of the separator for heavy element research. As an application of the GARIS, production and identification of an isotope of the 110th element 271[110] have been performed using the 208Pb(64Ni,1n)271[110] reaction. Three decay chains coincide well both in decay times and energies with the ones reported by the group of SHIP experiment at GSI, Germany. Our results provide a confirmation of the synthesis of an isotope 271[110] of element 110.

Original languageEnglish
Pages (from-to)53-60
Number of pages8
JournalActa Physica Hungarica, Series A: Heavy Ion Physics
Issue number1-2
Publication statusPublished - 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • General Physics and Astronomy


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