Scaled-energy spectroscopy of helium vertical bar M vertical bar=1 Rydberg atoms in a static electric field

A. Kips, W. Vassen, W. Hogervorst, P.A. Dando

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Abstract

We present scaled-energy spectra on helium Rydberg atoms in a static electric field. /M/ = 1 states were studied in excitation from the 2 S-1(0) metastable state. Spectra were recorded for epsilon = -2.940(4), epsilon = -2.350(4), both below the saddle point, and epsilon = -1.760(4), above the saddle point. Closed-orbit theory was applied to interpret the spectra. A recent extension to closed-orbit theory, incorporating core effects, was used. This significantly improved agreement between experiment and theory. [S1050-2947(98)02610-9].
Original languageEnglish
Pages (from-to)3043-3050
JournalPhysical Review A. Atomic, Molecular and Optical Physics
Volume58
Issue number4
DOIs
Publication statusPublished - 1998

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