Double-resonance spectroscopy of autoionizing states of N2 near the ionization threshold
Journal Article
·
· Physical Review. A
- Argonne National Laboratory (ANL), Argonne, IL (United States)
Double-resonance spectroscopy of N2 via the a 1Πg, v´=5 level has enabled the definitive assignment of a number of intense and heretofore unidentified bands observed in the single-photon spectrum in the region between the X 2Σg+ v+=0 and 1 ionization thresholds. The results resolve several long-standing controversies concerning the assignment of Rydberg states of low principal quantum number that converge to the A 2Πu and B 2Σu+ states of the ion and indicate that significant revisions of previous assignments are necessary. The spectra are discussed in the context of the entire manifold of states in this region, which includes high vibrational levels of the b´ 1Σu+ valence state as well as Rydberg states that converge to the X 2Σg+, A 2Πu, and B 2Σu+ states of the ion.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Assistant Secretary for Energy Research, Office of Health and Environmental Research; USDOE Office of Health and Environmental Research. Alexander Hollaender Program
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 6047386
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 9 Vol. 42; ISSN 1050-2947; ISSN PLRAAN
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
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