hyperfine+splitting

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• hyperfine splitting — hipersmulkusis suskilimas statusas T sritis fizika atitikmenys: angl. hyperfine splitting; hyperfine structure splitting vok. Hyperfeinaufspaltung, f; Hyperfeinstrukturaufspaltung, f rus. сверхтонкое расщепление, n pranc. dédoublement de la… …   Fizikos terminų žodynas

• Hyperfine structure — In atomic physics, hyperfine coupling is the weak magnetic interaction between electrons and nuclei. Hyperfine coupling causes the hyperfine splitting of atomic or molecular energy levels. The totality of energy levels spawned by hyperfine… …   Wikipedia

• hyperfine structure splitting — hipersmulkusis suskilimas statusas T sritis fizika atitikmenys: angl. hyperfine splitting; hyperfine structure splitting vok. Hyperfeinaufspaltung, f; Hyperfeinstrukturaufspaltung, f rus. сверхтонкое расщепление, n pranc. dédoublement de la… …   Fizikos terminų žodynas

• hyperfine structure — /huy peuhr fuyn , huy /, Physics. the splitting of the lines of an atomic spectrum, produced by the angular momentum of the nucleus of the atom. Cf. fine structure. [1925 30; HYPER + FINE1] * * * ▪ physics       in spectroscopy, the splitting of… …   Universalium

• hyperfine structure — /ˌhaɪpəfaɪn ˈstrʌktʃə/ (say .huypuhfuyn strukchuh) noun 1. the occurrence of very closely spaced energy levels in an atom, due to coupling between the momentum of the orbital electrons and the spin of the nucleus. 2. the splitting of certain… …  

• dédoublement de la structure hyperfine — hipersmulkusis suskilimas statusas T sritis fizika atitikmenys: angl. hyperfine splitting; hyperfine structure splitting vok. Hyperfeinaufspaltung, f; Hyperfeinstrukturaufspaltung, f rus. сверхтонкое расщепление, n pranc. dédoublement de la… …   Fizikos terminų žodynas

• Mössbauer spectroscopy — A Mössbauer absorption spectrum of 57Fe Mössbauer spectroscopy is a spectroscopic technique based on the Mössbauer effect. This effect, discovered by Rudolf Mössbauer in 1957, consists in the recoil free, resonant absorption and emission of gamma …   Wikipedia

• Electron paramagnetic resonance — (EPR) or electron spin resonance (ESR) spectroscopy is a technique for studying chemical species that have one or more unpaired electrons, such as organic and inorganic free radicals or inorganic complexes possessing a transition metal ion. The… …   Wikipedia

• Precision tests of QED — Quantum electrodynamics (QED), a relativistic quantum field theory of electrodynamics, is among the most stringently tested theories in physics.Precision tests of QED consist of measurements of the electromagnetic fine structure constant, α, in… …   Wikipedia

• Atomic clock — Nuclear clock redirects here. For the clock as a measure for risk of catastrophic destruction, see Doomsday Clock. For a clock updated by radio signals (commonly but inaccurately called an atomic clock ), see Radio clock. For the album by Zion I …   Wikipedia

• Hydrogen line — For hydrogen lines in general, see Hydrogen spectral series. The hydrogen line, 21 centimeter line or HI line refers to the electromagnetic radiation spectral line that is created by a change in the energy state of neutral hydrogen atoms. This… …   Wikipedia