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Author Dietrich, H. ♦ Mueller-Dethlefs, K. ♦ Baranov, L. Y.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword PHYSICS ♦ MOLECULES ♦ RYDBERG STATES ♦ IONIZATION ♦ ELECTRIC FIELDS ♦ STARK EFFECT ♦ KINETIC ENERGY ♦ PHOTOELECTRON SPECTROSCOPY ♦ PULSE SHAPERS
Abstract For the first time {ital fractional} {ital Stark} {ital state} {ital selective} {ital electric} {ital field} {ital ionization} of very high-{ital n} ({ital n}{approx_gt}250) molecular Rydberg states is observed. An {open_quote}{open_quote}offset{close_quote}{close_quote} electric pulse selectively ionizes the more fragile {open_quote}{open_quote}red{close_quote}{close_quote} (down shifted in energy) Stark states. The more resilient {open_quote}{open_quote}bluer{close_quote}{close_quote}, or up-shifted, ones survive and are shifted down in energy upon application of a second ({open_quote}{open_quote}probe{close_quote}{close_quote}) pulse of opposite direction (diabatic Stark states{close_quote} inversion). Hence, even for smaller probe than offset fields ionization is observed. The offset/probe ratio allows one to control spectral peak shapes in zero-kinetic-energy photoelectron spectroscopy. {copyright} {ital 1995 The American Physical Society.}
ISSN 00319007
Educational Use Research
Learning Resource Type Article
Publisher Date 1996-05-01
Publisher Place United States
Journal Physical Review Letters
Volume Number 76
Issue Number 19


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