Assertion: gamma ray | /r/HasProperty | emitted by excited nucleus
Facets:
Source sentences:
text: x-rays are emitted by the electrons outside the nucleus, and gamma rays are emitted by the excited nucleus itself.
text: Gamma radiation is emitted by excited nuclei or other processes involving subatomic particles; it often accompanies alpha or beta radiation, as a nucleus emitting those particles may be left in an excited (higher-energy) state.
text: 3.X rays are emitted by the electrons outside the nucleus, and gamma rays are emitted by the excited nucleus itself.