Figure 2. Soft agar colony formation efficiency of HTori-3 cells irradiated with γ-rays, carbon ions or iron ions. HTori-3 cells were irradiated with γ-rays, 0.3-GeV/n carbon ions or 1-GeV/n iron ions at a single dose of 200 cGy. Each data point is the mean of 8 replicate flasks from one experiment with γ-ray or carbon ion radiation, or 4 replicate flasks from one experiment with iron ion radiation.
