@article{CTT100822556,
  author = {Hirotsugu Kashiwagi and Masahiro Okamura and Robert A. Jameson and Toshiyuki Hattori and Noriyosu Hayashizaki},
  title = {Time structure of an accelerated beam using a radio-frequency quadrupole linac with direct plasma injection scheme},
  journal = {Review of Scientific Instruments},
  year = 2010,
}

@article{CTT100822578,
  author = {Masahiro Okamura and Hirotsugu Kashiwagi and Kazuhiko Sakakibara and Junpei Takano and Toshiyuki Hattori and Noriyosu Hayashizaki and Robert A. Jameson and Kazuo Yamamoto},
  title = {High current carbon beam production with direct plasma injection scheme},
  journal = {Review of Scientific Instruments},
  year = 2006,
}

@article{CTT100822580,
  author = {Hirotsugu Kashiwagi and Mitsuhiro Fukuda and Masahiro Okamura and Robert A. Jameson and Toshiyuki Hattori and Noriyosu Hayashizaki and Junpei Takano and Kazuhiko Sakakibara and Kazuo Yamamoto},
  title = {Acceleration of high current fully stripped carbon ion beam by direct injection scheme},
  journal = {Review of Scientific Instruments},
  year = 2006,
}

@article{CTT100822590,
  author = {Masahiro Okamura and Robert A. Jameson and Hirotsugu Kashiwagi and Toshiyuki Hattori and Noriyosu Hayashizaki and Kazuhiko Sakakibara and Kazuo Yamamoto and Takeshi Kanesue},
  title = {Experimental results of DPIS with a new RFQ},
  journal = {Radiation Effects and Defects in Solids},
  year = 2005,
}

@article{CTT100406502,
  author = {Hirotsugu Kashiwagi and Toshiyuki Hattori and Noriyosu Hayashizaki and Kazuo Yamamoto and Yasuyuki Takahashi and Toshiki Hata and Masahiro Okamura and Robert A. Jameson and Takeshi Katayama and Nikolay Mescheryakov},
  title = {Nd-YAG laser ion source for direct injection scheme},
  journal = {Review of Scientific Instruments},
  year = 2004,
}

@article{CTT100822602,
  author = {Masahiro Okamura and Takeshi Katayama and Robert A. Jameson and Takeshi Takeuchi and Toshiyuki Hattori and Noriyosu Hayashizaki},
  title = {Carbon beam acceleration using a simple injection method into an RFQ},
  journal = {Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms},
  year = 2002,
}

@article{CTT100822615,
  author = {Takeshi Takeuchi and Takeshi Katayama and Masahiro Okamura and Katsuki Yano and Akira Sakumi and Toshiyuki Hattori and Noriyosu Hayashizaki and Robert A. Jameson},
  title = {A direct plasma injection system into an RFQ for clean and safe ion implantation},
  journal = {Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms},
  year = 2002,
}

@inproceedings{CTT100822588,
  author = {Masahiro Okamura and Robert A. Jameson and Junpei Takano and Kazuhiko Sakakibara and Hirotsugu Kashiwagi and Toshiyuki Hattori and Noriyosu Hayashizaki and Alwin Schempp and Kazuo Yamamoto and Yoshiyuki Iwata and Tetsuya Fujimoto and Shinji Shibuya and Takeshi Takeuchi},
  title = {60 mA carbon beam acceleration with DPIS},
  booktitle = {Proceedings of the 2005 Particle Accelerator Conference},
  year = 2006,
}