022 [3] Weber et al, FLASH radiotherapy with carbon ion beams, Med. Phys. 2021 doi:10.1002/mp.15135 [4] Tinganelli et al, Ultra-High Dose Rate (FLASH) Carbon Ion Irradiation: Dosimetry and First Cell Experiments [...] spherical target volumes and a single pin (upper left) Carbon-Ion FLASH (GSI) The GSI synchrotron enables a particularly high beam intensity (≥ 5×109 ions/spill), which is significantly higher than most other [...] enabled a series of cell and preclinical experiments proofing that FLASH also works for carbon beams. Four first Carbon-ion papers for FLASH-radiobiology and dosimetry have been be published [ 3,4,5,6 ]. The