KnowraHyperfine structureLinked fromLinked fromThe 17 pages that link to Hyperfine structure, each with the reason it gives.All 17Broader topic 3Related 10Narrower topic 2Compared with 2SecondRelated: The cesium transition defining the second lies between hyperfine energy levels.Fine structureCompared with: It arises chiefly from nuclear properties, unlike fine structure’s relativistic and electron-spin contributions.Electron paramagnetic resonanceRelated: Hyperfine splitting reveals nuclei near an unpaired electron.21-centimeter lineNarrower topic: The line is a specific hyperfine splitting in the hydrogen ground state.Atomic energy levelBroader topic: It subdivides electronic levels through coupling to nuclear properties.Optical pumpingRelated: Hyperfine levels provide the distinct states addressed in many pumping schemes.Stark effectCompared with: It produces intrinsic spectral components distinct from field-induced Stark splitting.Clebsch–Gordan coefficientsRelated: Calculating its total-angular-momentum states requires coupling nuclear and electronic spins.Neutral hydrogenNarrower topic: The line is a hyperfine transition between two relative orientations of electron and proton spins.Nuclear magnetic momentRelated: The nuclear moment contributes directly to atomic hyperfine splitting.Landé g-factorRelated: Hyperfine levels use a related total-angular-momentum g-factor that includes nuclear contributions.Wigner–Eckart theoremRelated: Angular-momentum coupling simplifies calculations of hyperfine transition strengths.CaesiumRelated: The ground-state hyperfine splitting in caesium-133 defines the clock transition.H I regionBroader topic: Its spin interaction creates the transition responsible for the 21-centimeter emission.Rudolf MössbauerRelated: Mössbauer spectra reveal these splittings through shifts and patterns in nuclear resonance.Caesium standardBroader topic: The standard interrogates the two ground-state hyperfine levels of caesium-133.Multipole matrix elementsRelated: Hyperfine shifts depend on matrix elements coupling nuclear multipoles to electronic fields.
KnowraHyperfine structureLinked fromLinked fromThe 17 pages that link to Hyperfine structure, each with the reason it gives.All 17Broader topic 3Related 10Narrower topic 2Compared with 2SecondRelated: The cesium transition defining the second lies between hyperfine energy levels.Fine structureCompared with: It arises chiefly from nuclear properties, unlike fine structure’s relativistic and electron-spin contributions.Electron paramagnetic resonanceRelated: Hyperfine splitting reveals nuclei near an unpaired electron.21-centimeter lineNarrower topic: The line is a specific hyperfine splitting in the hydrogen ground state.Atomic energy levelBroader topic: It subdivides electronic levels through coupling to nuclear properties.Optical pumpingRelated: Hyperfine levels provide the distinct states addressed in many pumping schemes.Stark effectCompared with: It produces intrinsic spectral components distinct from field-induced Stark splitting.Clebsch–Gordan coefficientsRelated: Calculating its total-angular-momentum states requires coupling nuclear and electronic spins.Neutral hydrogenNarrower topic: The line is a hyperfine transition between two relative orientations of electron and proton spins.Nuclear magnetic momentRelated: The nuclear moment contributes directly to atomic hyperfine splitting.Landé g-factorRelated: Hyperfine levels use a related total-angular-momentum g-factor that includes nuclear contributions.Wigner–Eckart theoremRelated: Angular-momentum coupling simplifies calculations of hyperfine transition strengths.CaesiumRelated: The ground-state hyperfine splitting in caesium-133 defines the clock transition.H I regionBroader topic: Its spin interaction creates the transition responsible for the 21-centimeter emission.Rudolf MössbauerRelated: Mössbauer spectra reveal these splittings through shifts and patterns in nuclear resonance.Caesium standardBroader topic: The standard interrogates the two ground-state hyperfine levels of caesium-133.Multipole matrix elementsRelated: Hyperfine shifts depend on matrix elements coupling nuclear multipoles to electronic fields.