Antiresonance in autoionizing Rydberg series of naphthalene
Asymmetric Fano line profiles have been observed by autoionization for vibrational Rydberg series of naphthalene. Specific vibrational excitation in the Rydberg series was made possible by two-color excitation that excites the corresponding vibration in the intermediate S/sub 1/ level. An observed series of autoionizing states involving the ..nu../sub 8-bar/ x ..nu../sub 7/ vibration was determined to belong to members n = 11 to 22 of a Rydberg series having a quantum defect of delta = 0.10 and converging to 1537 cm/sup -1/ above the adiabatic ionization potential. The line shapes were analyzed in terms of degenerate resonance interference between optically active discrete and continua states. Observed linewidths were as narrow as 6 cm/sup -1/ for naphthalene and 3 cm/sup -1/ for naphthalene-d/sub 8/.
- Research Organization:
- The Aerospace Corporation, P. O. Box 92957, Los Angeles, California 90009
- OSTI ID:
- 6085371
- Journal Information:
- J. Chem. Phys.; (United States), Journal Name: J. Chem. Phys.; (United States) Vol. 87:10; ISSN JCPSA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ABSORPTION SPECTRA
AROMATICS
AUTOIONIZATION
BEAMS
CONDENSED AROMATICS
ENERGY LEVELS
EXCITED STATES
FLUID FLOW
HYDROCARBONS
IONIZATION
LINE WIDTHS
MASS SPECTROSCOPY
MOLECULAR BEAMS
NAPHTHALENE
ORGANIC COMPOUNDS
RYDBERG STATES
SPECTRA
SPECTROSCOPY
SUPERSONIC FLOW
VIBRATIONAL STATES