-lrb- 6.183 -rrb- billion these funds are for promoting the heavy-ion engineering research institute to use a heavy-ion accelerator for leading-edge research in a broad range of fields such as nuclear physics and nuclear chemistry , for research at the institute of physical and chemical research -lrb- riken -rrb- on radiation light and uranium enrichment using the molecular method , and for riken 's collaboration with the british rathford institute onresearch relating to muon generation and applications .