Double-well states of ungerade symmetry in H-2: First observation and comparison with ab initio calculations

A. de Lange, W. Hogervorst, W.M.G. Ubachs, L. Wolniewicz

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Abstract

A class of long-lived outer well states of ungerade symmetry lying above the ionization threshold in molecular hydrogen is investigated. A triple resonance scheme is used to study the rovibrational levels within a potential extended over internuclear separations. Good agreement with updated ab initio calculations is found. This demonstrates that for as long as the interaction with the Rydberg manifolds is shielded by a barrier, such calculations can be extended to an energetic range above the ionization.
Original languageEnglish
Pages (from-to)2988-2991
JournalPhysical Review Letters
Volume86
Issue number14
DOIs
Publication statusPublished - 2001

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