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N2 valence photoionization below and above the 1s-1 core ionization threshold

MPS-Authors
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Kugeler,  Oliver
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Rennie,  Emma E.
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Rüdel,  Andy
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Hergenhahn,  Uwe
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Citation

Kugeler, O., Rennie, E. E., Rüdel, A., Meyer, M., Marquette, A., & Hergenhahn, U. (2004). N2 valence photoionization below and above the 1s-1 core ionization threshold. Journal of Physics B, 37(6), 1353-1367. doi:10.1088/0953-4075/37/6/017.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-0D3C-6
Abstract
The intensity of N2 valence photoionization into the three lowest ionic states is given on an absolute scale for photon energies spanning the 1s resonances and the 1s continuum. All three channels, i.e. 3-1g X, 1-1u A and 2-1u B, show a coupling to the N 1s–* resonance and their partial cross sections are characterized by asymmetric Fano profiles. Results for the photoionization of the 2-1u B state are compared with measurements of the B–X fluorescence yield. A coupling of the valence photoionization processes to the * shape resonance cannot be verified.