# Studying the N+2(C2Σ+u → X2Σ+g) fluorescence excited via the 1s−1π* resonance

Ehresmann A, Werner L, Klumpp S, Lucht S, Schmoranzer H, Mickat S, Schill R, Schartner K, Demekhin P, Lemeshko M, Sukhorukov V. 2006. Studying the N+2(C2Σ+u → X2Σ+g) fluorescence excited via the 1s−1π* resonance. Journal of Physics B: Atomic, Molecular and Optical Physics. 39(2), 283–304.

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Author

Ehresmann, Arno;
Werner, Lutz;
Klumpp, Stefan;
Lucht, S;
Schmoranzer, Hans P;
Mickat, Sascha;
Schill, Rüdiger H;
Schartner, Karl H;
Demekhin, Philipp;
Lemeshko, Mikhail

^{ISTA}^{}; Sukhorukov, Victor LAbstract

Fluorescence from fragments formed after the de-excitation of the N*2(1s−1π*) resonance has been measured in the spectral range of 135–190 nm. This range is dominated by lines in atomic nitrogen and lines formed by overlapping C2Σ+u(v') → X2Σ+g(v'') bands with Δv = const in the N+2 molecular ion which result from the spectator Auger decays of the N*2(1s−1π*(vr)) resonances. Ab initio calculations of the corresponding potential curves and transition probabilities showed that the observed irregular intensity dependence of the C2Σ+u(v') → X2Σ+g(v'')(Δv = const) fluorescence lines on the vibrational quantum number vr is due to transitions between vibrational levels during the reaction N2(v0 = 0)→ N*2(1s−1π*(vr)) Longrightarrow C2Σ+u(v') → X2Σ+g(v'').

Publishing Year

Date Published

2006-01-28

Journal Title

Journal of Physics B: Atomic, Molecular and Optical Physics

Volume

39

Issue

2

Page

283 - 304

IST-REx-ID

### Cite this

Ehresmann A, Werner L, Klumpp S, et al. Studying the N+2(C2Σ+u → X2Σ+g) fluorescence excited via the 1s−1π* resonance.

*Journal of Physics B: Atomic, Molecular and Optical Physics*. 2006;39(2):283-304. doi:10.1088/0953-4075/39/2/006Ehresmann, A., Werner, L., Klumpp, S., Lucht, S., Schmoranzer, H., Mickat, S., … Sukhorukov, V. (2006). Studying the N+2(C2Σ+u → X2Σ+g) fluorescence excited via the 1s−1π* resonance.

*Journal of Physics B: Atomic, Molecular and Optical Physics*. IOP Publishing Ltd. https://doi.org/10.1088/0953-4075/39/2/006Ehresmann, Arno, Lutz Werner, Stefan Klumpp, S Lucht, Hans Schmoranzer, Sascha Mickat, Rüdiger Schill, et al. “Studying the N+2(C2Σ+u → X2Σ+g) Fluorescence Excited via the 1s−1π* Resonance.”

*Journal of Physics B: Atomic, Molecular and Optical Physics*. IOP Publishing Ltd., 2006. https://doi.org/10.1088/0953-4075/39/2/006.A. Ehresmann

*et al.*, “Studying the N+2(C2Σ+u → X2Σ+g) fluorescence excited via the 1s−1π* resonance,”*Journal of Physics B: Atomic, Molecular and Optical Physics*, vol. 39, no. 2. IOP Publishing Ltd., pp. 283–304, 2006.Ehresmann, Arno, et al. “Studying the N+2(C2Σ+u → X2Σ+g) Fluorescence Excited via the 1s−1π* Resonance.”

*Journal of Physics B: Atomic, Molecular and Optical Physics*, vol. 39, no. 2, IOP Publishing Ltd., 2006, pp. 283–304, doi:10.1088/0953-4075/39/2/006.