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arXiv · 1203.4256

K-Shell Photoionization of Singly Ionized Atomic Nitrogen: Experiment and Theory

M. F. Gharaibeh·J. M. Bizau·D. Cubaynes·S. Guilbaud·N. El Hassan·M. M. Al Shorman·C. Miron·C. Nicolas·E. Robert·C. Blancard·B. M. McLaughlin
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Abstract

Absolute cross sections for the K-shell photoionization of C-like nitrogen ions were measured by employing the ion-photon merged-beam technique at the SOLEIL synchrotron radiation facility in Saint-Aubin, France. High-resolution spectroscopy with E/$\Delta$E $\approx$ 7,000 was achieved with the photon energy from 388 to 430 eV scanned with a band pass of 300 meV, and the 399.4 to 402 eV range with 60 meV. Experimental results are compared with theoretical predictions made from the multi-configuration Dirac-Fock (MCDF) and R-matrix methods. The interplay between experiment and theory enabled the identification and characterization of the strong 1s $\rightarrow$ 2p resonances observed in the spectra.

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M. F. Gharaibeh, J. M. Bizau, D. Cubaynes, S. Guilbaud, N. El Hassan, M. M. Al Shorman, C. Miron, C. Nicolas, E. Robert, C. Blancard, B. M. McLaughlin. 2012-03-19. K-Shell Photoionization of Singly Ionized Atomic Nitrogen: Experiment and Theory. https://doi.org/10.1088/0953-4075/44/17/175208

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