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hyperfine line

См. также в других словарях:

  • hyperfine line — hipersmulkiosios sandaros linija statusas T sritis radioelektronika atitikmenys: angl. hyperfine line vok. Hyperfeinstrukturlinie, f rus. линия сверхтонкой структуры, f pranc. raie de structure hyperfine, f …   Radioelektronikos 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 — /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 — adjective extremely fine or thin, as in a spectral line split into two or more components (Freq. 1) hyperfine structure • Similar to: ↑thin • Topics: ↑physics, ↑natural philosophy …   Useful english dictionary

  • raie de structure hyperfine — hipersmulkiosios sandaros linija statusas T sritis radioelektronika atitikmenys: angl. hyperfine line vok. Hyperfeinstrukturlinie, f rus. линия сверхтонкой структуры, f pranc. raie de structure hyperfine, f …   Radioelektronikos terminų žodynas

  • 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

  • Atomic line filter — A potassium Faraday filter designed, built and photographed by Jonas Hedin for making daytime LIDAR measurements at Arecibo Observatory.[1] An atomic line filter (ALF) is an advanced optical band pass filter used in the physical sciences for… …   Wikipedia

  • magnetic resonance — Absorption or emission of electromagnetic radiation by electrons or atomic nuclei in response to certain magnetic fields. The principles of magnetic resonance are used to study the atomic and nuclear properties of matter; two common laboratory… …   Universalium

  • Search for extraterrestrial intelligence — The search for extraterrestrial intelligence is sometimes abbreviated as SETI. For other uses, see SETI (disambiguation). Screen shot of the screensaver for SETI@home, a distributed computing project in which volunteers donate idle computer power …   Wikipedia

  • SETI — Search for Extra Terrestrial Intelligence (SETI) is the collective name for a number of activities to detect intelligent extraterrestrial life. The general approach of SETI projects is to survey the sky to detect the existence of transmissions… …   Wikipedia

  • Timeline of knowledge about the interstellar and intergalactic medium — Timeline of the interstellar medium and intergalactic medium* 1848 Lord Rosse studies M1 and names it the Crab Nebula * 1864 William Huggins studies the spectrum of the Orion Nebula and shows that it is a cloud of gas * 1927 Ira Bowen explains… …   Wikipedia

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