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A: Atomphysik

A V: HV V

A V.1: Invited Talk

Wednesday, March 18, 1998, 11:30–12:00, A701

Gas-Phase Multiply Charged Anions — •L.S. Cederbaum and Th. Sommerfeld — Universit"at Heidelberg

Singly charged negative ions in the gas phase have attracted considerable experimental and theoretical attention over the past decades. However, the existence of free doubly or multiply charged negative ions, in particular those of small systems, has remained a curiosity and a matter of some controversy. Recent experimental and quantum mechanical studies show that multiply charged negative ions of small molecules and clusters can exist as isolated entities.