bn:03319248n
Noun Concept
Categories: Foundational quantum physics, Atomic physics
EN
hyperfine structure  hyperfine  hyperfine coupling  hyperfine interaction  hyperfine level
EN
In atomic physics, hyperfine structure is defined by small shifts in otherwise degenerate energy levels and the resulting splittings in those energy levels of atoms, molecules, and ions, due to electromagnetic multipole interaction between the nucleus and electron clouds. Wikipedia
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EN
In atomic physics, hyperfine structure is defined by small shifts in otherwise degenerate energy levels and the resulting splittings in those energy levels of atoms, molecules, and ions, due to electromagnetic multipole interaction between the nucleus and electron clouds. Wikipedia
Small shifts and splittings in the energy levels of atoms, molecules and ions Wikidata
A closely spaced structure of lines in the spectrum of an atom or molecule due to nuclear isotopic effects and/or to nuclear spin. Wiktionary