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Proceedings Paper

ZEKE PFI spectroscopy of naphthalene vapors via S2 electronic state
Author(s): M. E. Akopyan; Valery S. Ivanov; V. I. Kleimenov; A. G. Feofilov
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Paper Abstract

A new group of electrons in the naphthalene ZEKE PFI spectrum has been observed in the energy range 70000 - 72000 cm-1 by the one-color two-step laser excitation technique. It can be assigned to the field ionization of the high n Rydberg states converging to the first electron-excited ionic state of naphthalene. The lifetimes of the superexcited Rydberg states with the energy excess (above the first ionization energy) up to 1 eV are about 1 microsecond. The improved value of the second adiabatic ionization potential is 71823 plus or minus 30 cm-1 (8.904 plus or minus 0.004 eV).

Paper Details

Date Published: 5 February 1999
PDF: 6 pages
Proc. SPIE 3732, ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, (5 February 1999); doi: 10.1117/12.340002
Show Author Affiliations
M. E. Akopyan, St. Petersburg State Univ. (Russia)
Valery S. Ivanov, St. Petersburg State Univ. (Russia)
V. I. Kleimenov, St. Petersburg State Univ. (Russia)
A. G. Feofilov, St. Petersburg State Univ. (Russia)


Published in SPIE Proceedings Vol. 3732:
ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine

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