autodetachment

autodetachment

[‚ȯd·ō·di′tach·ment]
(atomic physics)
A process in which one of the excited electrons in a doubly excited state of a negative ion is ejected, while the other excited electron drop back to a lower energy level.
References in periodicals archive ?
We studied propadienylidene, H2CCC, with high-resolution autodetachment spectroscopy and revealed that the centrifugal distortion coupling occurs between v = 0 and a nearby CCC out-of-plane bending mode and between v = 0 and CCC in-plane bending mode in the excited electronic state of H2CCC anion.
4:00 AUTODETACHMENT SPECTROSCOPY AND DYNAMICS OF VIBRATIONALLY EXCITED DIPOLE BOUND STATES OF H2CCCK-
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