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Fine structure

Split in energy levels due to interaction between electron up or down spin and the electron orbitals.

Numerically explained by the Dirac equation when solving it for the hydrogen atom, and it is one of the main triumphs of the theory.

 Table of contents 155
- Fine structure constant ( $α$ ) link nosplit Fine structure 0
- Hyperfine structure link nosplit Fine structure 91
  - Hydrogen line (21 centimeter line) link nosplit Hyperfine structure 25

Ancestors

Incoming links