Advanced design of the R-tokamak

Radiation control in LHD and radiation shielding capability of the torus hall during first campaign of deuterium experiment

“…These background radiation data for evaluating the impact of experiments on the environment were desired from the public confidence point of view. Although this radiation monitoring was first carried out for another project (R-project), it has been continued for more than 30 years, even after the R-project was aborted [26].…”