Photoelectron studies of resonant multiphoton ionization of molecular nitrogen

Journal Article · Sat Dec 31 23:00:00 EST 1983 · Journal of Chemical Physics

DOI:https://doi.org/10.1063/1.448069· OSTI ID:6217875

Pratt, Stephen T. ^[1]; Dehmer, Patricia M. ^[1]; Dehmer, Joseph L. ^[1]

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1. Argonne National Lab., IL (United States)

Photoelectron studies of three photon resonant, four photon ionization of N₂ via the b ¹Π_u, v' = 0--5, c ¹Π_u, v' = 0, 1, and c' ¹Σ⁺_u, v' = 0, 1 levels are presented. A qualitative analysis of the observed photoelectron spectra in terms of homogeneous perturbations among the b ¹Π_u, c ¹Π/_u, o ¹Π_u states and among the b' ¹Σ⁺_u, c' ¹Σ⁺_u, and e' ¹Σ⁺_u states is partially successful. However, several of the photoelectron spectra exhibit marked deviations from the expected behavior. These deviations are discussed in terms of more complex interactions among the intermediate levels, and in terms of the dynamics of excited state photoionization. In addition, the N/sub 2/ a ¹Π_g, v' = 0--5 levels have been observed in two photon resonant, four photon ionization, and the results are compared with the results of earlier two-photon laser induced fluorescence studies.

• Research Organization: Brookhaven National Laboratory (BNL), Upton, NY (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 6217875
• Journal Information: Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 8 Vol. 81; ISSN JCPSA6; ISSN 0021-9606
• Country of Publication: United States
• Language: English

Related Subjects

640302* -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ELECTRON SPECTROSCOPY
ELECTRONIC STRUCTURE
ELEMENTS
ENERGY LEVELS
IONIZATION
MULTI-PHOTON PROCESSES
NITROGEN
NONMETALS
PHOTOELECTRON SPECTROSCOPY
PHOTOIONIZATION
SPECTROSCOPY