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abstraction > mathematical concept > number > quantity > radiation measurement > spectral feature > absorption edge |
absorption edge comparison table |
Subject | has specie | has definition | has synonym | has wavelength |
---|---|---|---|---|
Balmer jump | hydrogen (H I) | The sudden decrease in the intensity of the continuous spectrum at the limit of the Balmer series of hydrogen at 3646 Å, representing the energy absorbed when electrons originally in the second energy level are ionized. | Balmer discontinuity | 3646 Å |
Helium discontinuity | helium (He I) | |||
K edge | The absorption edge of the K shell (see absorption edges). |
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