イオン源開発チーム

RI ビームファクトリーの加速器システムの ECR イオン源の運転・開発を担当しています。RI ビームファクトリーの性能をさらに向上させるため、大強度ウランビーム生成用超伝導ECR重イオン源を設計製作しています。

研究テーマ

• ECR イオン源の運転・開発
• 大強度ウランビーム生成用超伝導ECR重イオン源の開発

主要論文

1. Y. Higurashi et al.:
   "Results of RIKEN SC-ECRIS with 28GHz"
   Rev. Sci. Instrum. 83(2012)02A308
2. Y. Higurashi et al.:
   "Production of highly charged U ion beam with RIKEN SC-ECRIS"
   Rev. Sci. Instrum. 83(2012)02A333
3. Nakagawa T., and Yano Y.:
   "Developments in ECRIS for RIKEN RI beam factory project"
   Nucl. Instrum. Methods Phys. Res. B241, 935 (2005)
4. Higurashi Y., Kidera M., Nakagawa T., Aihara T., Kase M., and Yano Y.:
   "Effect of plasma electrode position of the RIKEN 18GHz ECRIS on the beam intensity of highly charged Ar ions"
   Jpn. J. Appl. Phys. 44(2005)5216
5. Nakagawa T., Higurashi Y., Kidera M., Aihara T., Kase M., Goto A., and Yano Y.:
   "Effect of magnetic field configuration on the beam intensityb from ECRIS and RIKEN SC-ECRIS"
   Rev. Sci. Instrum. 77 (2006) 03A304
6. Higurashi Y., Nakagawa T., Kidera M., Aihara T., Kobayashi K., Kase M., Goto A., and Yano Y.:
   "Effect of plasma electrode position and shape on the beam intensity of highly charged ions from RIKEN 18 GHz ECRIS"
   Rev. Sci. Instrum. 77 (2006) 03A329
7. Nakagawa T., Higurashi Y., Kidera M., Aihara T., Kase M., Goto A., and Yano Y.:
   "Production of 70Zn beam from RIKEN 18 GHz ECRIS"
   Nucl. Instrum. Methods Phys. Res. B254, 337 (2007)
8. Higurashi Y., Nakagawa T., Kidera M., Haba H., Aihara T., Kase M., Goto A., and Yano Y.:
   "Production of U beam from RIKEN 18 GHz electron cyclotron resonance ion source"
   Rev. Sci. Instrum. 79 (2008) 02C714
9. Nakagawa T., Kidera M., Higurashi Y., Ohnishi J., Goto A., and Yano Y.:
   "New superconducting electron cyclotron resonance ion source for RIKEN RI beam factory project"
   Rev. Sci. Instrum. 79 (2008) 02A327
10. Nakagawa T. et al.:
    "First results from new RIKEN SC-ECRIS"
    Rev. Sci. Instrum. 81 (2010) 02A320