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The<i>l</i>-Forbidden Magnetic Dipole Transitions
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1957
Year
EngineeringSmall AdmixturesMagnetic ResonanceConfiguration MixingSpin DynamicMagnetic MaterialsMagnetismShell Model ConfigurationsNuclear Quadrupole ResonanceQuantum MaterialsHigh-energy Nuclear ReactionPhysicsAtomic PhysicsQuantum ChemistryQuantum MagnetismNatural SciencesApplied PhysicsCondensed Matter PhysicsDynamic Nuclear PolarizationMagnetic PropertyNeutron ScatteringMany-body Problem
The reduced matrix elements for !-forbidden magnetic dipole transitions in medium-weight nuclei are calculated on the basis of configuration mixing. The calculations are based upon simple perturba tion theory. The parameters used in this calculation are the same as those adopted for the magnetic .and quadrupole moments in previous work. The lifetimes of these radiative processes are well ex plained by small admixtures of excited configurations to the shell model configurations.