Roberts, Louis D. Department of Physics, University of North Carolina, Chapel Hill, North Carolina.
- Isotope effect
- Structure due to nuclear spin
- Links to Primary Literature
- Additional Readings
A closely spaced structure of the spectrum lines forming a multiplet component in the spectrum of an atom or molecule, or of a liquid or solid. In the emission spectrum for an atom, when a multiplet component is examined at the highest resolution, this component may be seen to be resolved, or split, into a group of spectrum lines which are extremely close together. This hyperfine structure may be due to a nuclear isotope effect, to effects related to nuclear spin, or to both.
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