On the complexity of the absorption spectrum of molecular nitrogen |
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| Authors: | M.O. Vieitez T.I. Ivanov W. Ubachs B.R. Lewis C.A. de Lange |
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| Affiliation: | aDepartment of Physics and Astronomy, Laser Centre, Vrije Universiteit, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands;bResearch School of Physical Sciences and Engineering, The Australian National University, Canberra, Australian Capital Territory 0200, Australia |
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| Abstract: | The spectral properties of molecular nitrogen are crucial to a better understanding of radiative-transfer phenomena and activated N/N2 chemistry in the Earth's upper atmosphere. Excited states of N2 are difficult to access experimentally, and analysis of its electric dipole-allowed spectrum is notoriously complex. In this paper, we give an overview of these complexities and of the power of extreme ultraviolet ionization spectroscopy in unraveling many of the observed features. Some illustrative examples from our own research will be discussed. |
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| Keywords: | Molecular nitrogen Extreme ultraviolet spectroscopy Predissociation Perturbations |
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