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Accelerator Research Lab
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The lab researches accelerators that produce high-quality, highly stable ion beams.
AboutAbout the lab
Research on accelerators that produce high-quality, highly stable beams
The Accelerator Research Lab studies accelerators that produce and accelerate ion beams at the Research Center for Nuclear Physics (RCNP), Osaka University.
The lab aims to produce extremely high-quality, highly stable beams for investigating the structure and reactions of elementary particles and atomic nuclei at ultra-high resolution.
The lab is also developing next-generation accelerators and irradiation systems for cancer treatment and diagnosis, in collaboration between medicine and science.
Graduate students are assigned to the lab as students of the Department of Physics in the Graduate School of Science, and "Accelerator Research" is one of the lab preferences you can choose in the entrance exam.
Key terms
- Cyclotron
- A type of accelerator that accelerates particles into a beam. RCNP has an AVF cyclotron and a ring cyclotron
- ECR
- Short for electron cyclotron resonance. In HIPIS, it is used in the stage that strips electrons from hydrogen atoms
- High-temperature superconducting coil
- A coil made of REBCO tape. It is expected to give a stronger magnetic field and lower power consumption than a copper coil
NewsLab news
A paper by Lecturer Kanda and colleagues was published in NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A…
A doctoral student received an Outstanding Presentation Award at The 4th International Conference on Radiological Physics and Technology
A paper by Professor Fukuda and colleagues was published in Journal of Physics: Conference Series
ResearchResearch themes
To investigate the structure and reactions of elementary particles and atomic nuclei, the building blocks of matter, at ultra-high resolution, the lab studies accelerators and beam physics for producing extremely high-quality, highly stable ion beams. It is also developing next-generation accelerators and irradiation systems for cancer treatment and diagnosis, in collaboration between medicine and science.
*Illustrative imageAnalyzing beam motion inside accelerators
The lab analyzes the motion of beam particles inside a cyclotron and studies beam dynamics with the aim of optimizing it. Electromagnetic fields are reproduced with 3D simulation codes, and particle orbits and other properties are analyzed.
*Illustrative imageUpgrading the polarized ion source HIPIS
The lab works to increase the intensity and the degree of polarization of HIPIS, a high-intensity polarized ion source that supplies polarized proton and polarized deuteron beams. The goal is to advance nuclear research that uses polarized beams.
*Illustrative imageLaPRIS, a new laser-based ion source
The lab is developing a new type of ion source that efficiently extracts ions with an RF electric field from a high-density plasma created by laser irradiation. By combining laser and RF technologies, it aims to produce high-quality beams that are difficult to obtain with existing ion sources.
*Illustrative imageDeveloping a high-temperature superconducting ECR ion source
The lab is researching and developing a next-generation ECR ion source that uses high-temperature superconducting coils. Adopting REBCO tape is expected to give a stronger magnetic field and lower power consumption than conventional copper coils.
MembersFaculty
The lab's members are faculty, project researchers, senior technical specialists, doctoral and master's students, and staff of SHI Accelerator Service Ltd.As of 2026
- ProfessorYohei Matsuda
- Project ProfessorMitsuhiro Fukuda
- Project ProfessorTakane Saito
- LecturerTetsuhiko Yorita
- LecturerHiroki Kanda
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “4-inch-cyclotron” 作者不詳 / CC0 (cropped)
- Analyzing beam motion inside accelerators: “Cyclotron ARRONAX” Popocatomar / CC BY-SA 4.0 (cropped)
- Upgrading the polarized ion source HIPIS: “Mass spectrometer ei ci ion source” Fulvio314 / CC BY-SA 3.0 (cropped)
- LaPRIS, a new laser-based ion source: “Argon laser beam and diffraction mirror” Lazord00d / CC BY-SA 3.0 (cropped)
- Developing a high-temperature superconducting ECR ion source: “BURNED OUT SUPERCONDUCTING MAGNET COIL - NARA - 17450109” Martin Brown / Public domain (cropped)
- Related lab (Particle and Nuclear Reaction Group (J-PARC Charm Hadron Spectroscopy Experiment) Lab): “J-PARC Hadron Experimental Facility 4” Kestrel / CC BY-SA 4.0 (cropped)
- Related lab (Particle and Nuclear Reaction Group (Laser Electron Photon Experiments LEPS/LEPS2) Lab): “Columbia University Nevis Lab linear particle accelerator, beam injector. (photo mosaic)” CUBIST DEBRIS / CC BY-SA 4.0 (cropped)
- Related lab (Fundamental Nuclear Physics Lab (Toyonaka Facility, Tamii Lab)): “Institute of nuclear and particle physics 00048 REP SDR-73 (0693)” DimitrisSideridis / CC BY-SA 4.0 (cropped)
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