| the phenomenon in which an atom in a crystal undergoes no recoil when emitting a gamma ray, giving all the emitted energy to the gamma ray, resulting in a sharply defined wavelength. |
Möss·bau·er effect  (mɶs'bou'ər, môs'-, mŏs'-)  n. The recoilless emission of gamma rays by radioactive nuclei of crystalline solids, and the subsequent absorption of the emitted rays by other nuclei. [After Rudolf Ludwig Mössbauer (born 1929), German physicist.] |