https://doi.org/10.1351/goldbook.G02696
SI derived unit of energy imparted to an element of matter by @[email protected] divided by the mass of that element (absorbed @[email protected] of radiation) equal to one @[email protected] per @[email protected] and admitted for reasons of safeguarding human health, \(\text{Gy}=\text{J}\ \text{kg}^{-1}\).