Die beim Übergang emittierte γ-Strahlung ( 14.4 keV ) kann in der Probe resonant von einem anderen Fe-57-Kern absorbiert werden.
Abhängig von der chemischen Umgebung des Eisens kommt es allerdings zu kleinen Verschiebungen in den energetischen Lagen beider Zustände ( I = 3 / 2 und I = 1 / 2 ) und damit der für die Resonanzabsorption erforderlichen Energie.
www.helmholtz-berlin.deThe γ-ray ( 14.4 keV ) which is emitted by the source can be absorbed by an Fe-57 nucleus in the sample.
Caused by the chemical environment of this nucleus, however, slight changes of the energetic position of both states ( Ie = 3 / 2 and Ig = 1 / 2 ) might cause changes in the energy which is needed for the resonant absorption.
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