autoionization


Also found in: Dictionary, Wikipedia.

autoionization

[¦ȯd·ō‚ī·ə·nə′zā·shən]
(atomic physics)
The radiationless transition of an electron in an atom from a discrete electronic level to an ionized continuum level of the same energy. Also known as preionization.
References in periodicals archive ?
2] autoionization and pointed out that the use of the method worked out by Smith and modified by Eland to apply the Fano-Mies configuration interaction theory to molecules could be used to explain portions of the non-Franck-Condon behavior seen in the photoionization of [CO.
2] vibrational excitation occurring as a result of autoionization which populate molecular energy levels well above 0.