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abstraction > mathematical concept > number > quantity > radiation measurement > spectral feature > absorption edge > K edge
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K edge comparison table
Subject is a kind of has definition
absorption edgespectral featureSudden rises superposed on the smooth decrease of the curve of the attenuation coefficient, which cause the curve to have a typical sawtooth aspect. They generally occur at the limit of spectral lines.
K edgeabsorption edgeThe absorption edge of the K shell (see absorption edges).

Next absorption edgeBalmer jump    Upabsorption edge    Previous absorption edgeHelium discontinuity