Valence-shell autoionization of NO

Journal Article · Thu Jun 01 00:00:00 EDT 2000 · Physics Essays

DOI:https://doi.org/10.4006/1.3028822· OSTI ID:943031

Southworth, S. H. ^[1]; Ferrett, T. A. ^[2]; Hardis, J. E. ^[3]; Parr, Albert C. ^[3]; Dehmer, Joseph L. ^[4]

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1. Argonne National Laboratory (ANL), Argonne, IL (United States)
2. Carleton College, Northfield, MN (United States)
3. National Institute of Standards and Technology (NIST), Gaithersburg, MD (United States)
4. National Science Foundation, Arlington, VA (United States)

Autoionization of valence and Rydberg states in NO over the 12.5-18 eV photon energy range was studied by vibrationally resolved photoelectron spectroscopy of the 2 π orbital. Complex, oscillatory structure is observed in NO⁺ (2 π⁰¹) Χ¹ Σ⁺ partial cross sections, branching ratios, and photoelectron anisotropy parameters due to autoionizing valence states and Rydberg states associated with the 1 π^-1 and 5 σ^-1 channels. Autoionization of the 5 σ → np(π, σ) (υ' = 0), n = 3-5 Rydberg states leading to the (5σ^-1) b³ Π state of NO⁺ produces very high vibrational levels of (2 π^-1) Χ¹Σ⁺. Autoionization of the 5 σ → 3 p π (υ' = 0) Rydberg state was characterized by resonance profiles of photoelectron cross sections and angular distributions.

• Research Organization: Argonne National Laboratory (ANL), Argonne, IL (United States)
• Sponsoring Organization: USDOE Office of Science (SC)
• DOE Contract Number: AC02-06CH11357
• OSTI ID: 943031
• Report Number(s): ANL/CHM/JA--36864
• Journal Information: Physics Essays, Journal Name: Physics Essays Journal Issue: 2-3 Vol. 13; ISSN 0836-1398
• Country of Publication: United States
• Language: ENGLISH

Related Subjects

43 PARTICLE ACCELERATORS
ANGULAR DISTRIBUTION
ANISOTROPY
AUTOIONIZATION
BRANCHING RATIO
CROSS SECTIONS
ENERGY RANGE
LEVELS
PHOTOELECTRON SPECTROSCOPY
PHOTONS
RESONANCE
RYDBERG STATES
SYNCHROTRON RADIATION
VALENCE