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physical phenomena > process > physical process > optical process > radiation modification > wavelength shift > isomer shift
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isomer shift
subjectfact 
isomer shifthas definition Displacement of an absorption line due to the fact that the absorbing nuclei have a different s-electron density from that of the emitting nuclei.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:29:46.0
is a kind of wavelength shift2001-09-27 09:29:46.0
wavelength shiftchanges property frequency (and wavelength)2001-09-27 09:29:46.0
optical processhas domain optics2001-09-27 09:29:44.0