Scope and Subject Category Guide logo

Subject Category Browse

Category Scope

73 Nuclear Physics

Includes nuclear particles; and reactor theory. For space radiation see 93 Space Radiation. For atomic and molecular physics see 72 Atomic and Molecular Physics. For elementary particle physics see 77 Physics of Elementary Particles and Fields. For nuclear astrophysics see 90 Astrophysics.


Nuclear Physics – The study of the structure and characteristics of atomic nuclei. NASA Thesaurus, Washington, DC: National Aeronautics and Space Administration.

NASA Interest

Exhaustive Interest : The basic theories and formulas of nuclear physics and testing and research equipment to support these developments as they relate to aeronautics, astronautics, and aerospace sciences.

Selective Interest : Those applications of nuclear physics that may be of use to the aerospace program, e.g., propulsion systems and power sources, suitable for aerospace use.

Negative Interest : Large, commercial nuclear reactor applications; ship propulsion reactors.


Input Subjects of Specific Interest

  • alpha rays (theory)
  • beta rays (theory)
  • electron beams
  • gamma rays (theory)
  • ion beams (nuclear interactions)
  • nuclear decay
  • nuclear engines (theory)
  • nuclear fission
  • nuclear fuels
  • nuclear fusion (theory)
  • nuclear magnetic resonance
  • nuclear particles
  • nuclear physics
  • nuclear power sources (theory)
  • nuclear propulsion systems (theory)
  • nuclear reactions
  • nuclear reactor theory
  • nuclear reactors
  • nuclear research equipment
  • nuclear scattering
  • nuclear structure
  • nuclear test equipment
  • proton beams (nuclear interactions)
  • radioisotopes
  • reactor radiation safety measures (space applications)
  • reactor theory
  • space-power reactors (theory)
  • x-ray radiation (theory)