N+2(A→X) and N+2(B→X) fluorescence excitation spectra by photon impact
- 1 July 1982
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 77 (1) , 182-188
- https://doi.org/10.1063/1.443639
Abstract
N+2(A 2Πu→X 2Σ+g) and N+2(B 2Σ+u→X 2Σ+g) fluorescence excitation spectra were measured using synchrotron radiation from threshold to 38 eV. Rydberg series converging to N+2 B 2Σ+u is seen to autoionize, with a 85% branching ratio into the A 2Πu continuum. For series converging to B 2Σ+u(v = 1), vibrational autoionization observed into the B(v = 0) continuum, is shown to compete efficiently with electronic autoionization. Above 20 eV, Rydberg series converging to N+2, C 2Σ+u as well as a number of unidentified resonances are shown to be coupled to each or both the A and B ionization continua.Keywords
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