| Sponsored by: | |
| Foundation for High Energy Accelerator Science | |
| Tsukuba City | |
| Tsukuba Expo'85 Memorial Foundation | |
| Electrotechnical Laboratory (ETL) | |
| Institute for Nuclear Study (INS), The University of Tokyo | |
| Institute of Scientific and Industrial Research, Osaka University | |
| Japan Atomic Energy Research Institute (JAERI) | |
| Laboratory of Nuclear Science, Tohoku University | |
| National Institute of Radiological Sciences (NIRS) | |
| Power Reactor and Nuclear Fuel Development Corporation (PNC) | |
| The Institute of Physical and Chemical Research (RIKEN) | |