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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.