Laser photofragment spectroscopy of N+2: Evidence for predissociation of B 2Σ+u
- 1 December 1982
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 77 (11) , 5396-5405
- https://doi.org/10.1063/1.443789
Abstract
Band progressions of a Σ←Σ system showing predissociation in N+2 are observed using a coaxial fast‐ion‐beam‐laser‐photofragment spectrometer. The most consistent interpretation of these spectra is in terms of absorptions in the first negative system of N+2. Thus, the bands originate in five vibrational levels (v′′=32–36) of N+2 X 2Σ+g and populate quasibound states of at least three vibrational levels (v′′≳45) in the B 2Σ+u state which lie above the dissociation limit N+(3P0)+N(4S0). Measurements of the photofragment kinetic energies show that predissociation to the least exothermic fine‐structure limit is favored.Keywords
This publication has 24 references indexed in Scilit:
- Photofragment spectroscopy of C: Laser excitation of shape resonances in thestatePhysical Review A, 1982
- Review Lecture. Spectroscopy of molecular ion beamsProceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1979
- Angular distributions and separation energies of predissociation photofragments of O2+ (b 4Σg−, v′=4, N′, F′)The Journal of Chemical Physics, 1979
- New electronic states of N2+Journal of Physics B: Atomic and Molecular Physics, 1975
- Autoionizing transitions in N2and H2produced by electron impactJournal of Physics B: Atomic and Molecular Physics, 1973
- N2+ Potential-Energy CurvesThe Journal of Chemical Physics, 1971
- Potential energy curves for N2, NO, O2 and corresponding ionsJournal of Quantitative Spectroscopy and Radiative Transfer, 1965
- THE C–X SYSTEM OFCanadian Journal of Physics, 1959
- The Interpretation of Band Spectra. Part IIc. Empirical Band typesReviews of Modern Physics, 1931
- The Interpretation of Band Spectra. Parts I, IIa, IIbReviews of Modern Physics, 1930