Type of Radiation | Quality Factor (Q) |
Absorbed Dose Equal to a Unit Dose Equivalent1 |
Gamma, beta, or x-ray |
1 | 1 |
Alpha particles, multiple- charged particles, fission fragments, and heavy particles of unknown charge |
20 | 0.05 |
Neutrons of unknown energy | 10 | 0.1 |
High-energy protons | 10 | 0.1 |