In order to realize stable and efficient operations of RIBF accelerator complex, various improvements including beam diagnostics, computer control, power supplies have been performed. Our final goal is to establish simulation-based operation of RIBF accelerator complex.

Research Subject

Improvement on the beam transmission along the multi-stage accelerator system.
Development of beam diagnosis.
Development of computer control.
Bending-power upgrade of fRC.
High-performance operation of RILAC2

List of Selected Publications

Yamada K., Suda K., Sakamoto N., Kamigaito O.:
"Conceptual Design of SC Linac for RIBF-Upgrade Plan"
16th International Conference on RF Superconductivity, Paris, France, September 2013, pp. 137-139 (2013).
Fukunishi N., Dantsuka T., Fujimaki M., Fujinawa T., Hasebe H., Higurashi Y., Ikezawa E., Imao H., Kageyama T., Kamigaito O., Kase M., Kobayashi-Komiyama M., Kumagai K., Kuboki H., Maie T., Nagase M., Nakagawa T., Ohnishi J., Okuno H., Ozeki K., Sakamoto N., Suda K., Uchiyama A., Watanabe T., Watanabe Y., Yamada K., Yamasawa H.:
"Acceleration of Intense Heavy Ion Beams in RIBF Cascaded Cyclotrons"
20th International Conference on Cyclotrons and their Applications, Vancouver, BC, Canada, pp. 1-6 (2013).
Maeyama T., Fukunishi N., Ishikawa K. L., Furuta T., Fukasaku K., Takagi S., Noda S., Himeno R. and Fukuda S.:
"A Diffusion Free and Linear-energy-transfer-independent Nanocomposite Fricke Gel Dosimeter"
Radiation Physics and Chemistry 96, 92-96 (2014).
Fukunishi N.:
"Heavy-ion Cyclotron Gymnastics and Associated Beam Dynamics Issues"
54th ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, East-Lansing, MI, USA pp.18-23 (2014).
Fukunishi N.:
"Review of Heavy-ion Cyclotrons"
13th International Conference on Heavy Ion Accelerator Technology, Yokohama, Japan, pp.11-16 (2015).
Watanabe T., Fukunishi N., Kase M., Inamori S., Kon S.:
"HTC-Squid Beam Current Monitor at the RIBF"
International Beam Instrumentation Conference 2015 (IBIC 2015), Melbourne, Australia, pp.590-594 (2015).
Uchiyama A., Komiyama M., Fukunishi N.:
"EPICS PV Management and Method for RIBF Control System"
15th International Conference on Accelerator and Large Experimental Physics Control System (ICALEPCS 2015), Melbourne, Australia, pp.769-771 (2015).
Uchiyama A., Ozeki K., Higurashi Y., Komiyama M. and Nakagawa T.:
"Control System Renewal for Efficient Operation in RIKEN 18 GHz Electron Cyclotron Resonance Ion Source"
Review of Scientific Instruments 87, 02A722 (2016).
Watanabe T., Fukunishi N., Inamori S., Kon S.:
"Sensitivity Improvement and Miniaturization of HTc-SQUID Beam Current Monitor"
13th Annual Meeting of Particle Accelerator Society of Japan, Chiba, Japan, August 2016, pp 1127-1133, (2016).
Maeyama T., Fukunishi N., Ishikawa K. L., Fukasaku K. and Fukuda S.:
"Organic-Gelatin-Free Nanocomposite Fricke Gel Dosimeter"
The Journal of Physical Chemistry B, 2017, 121(16), pp 4238-4246 (2017).