Question: The Bragg–Gray cavity theory developed by Louis Harold Gray, William Henry Bragg, and a physicist that was a joint winner of the Nobel Prize in Physics in what year?
Sentence (from "Bragg–Gray cavity theory"): According to the Bragg–Gray cavity theory, the ionization produced in a small cavity within an irradiated medium or object is related to the energy absorbed in that medium as a result of its radiation exposure.
Relevant evidence: No