State-resolved valence shell photoionization of Be-like ions: experiment and theory

Details State-resolved valence shell photoionization of Be-like ions: experiment and theory State-resolved valence shell photoionization of Be-like ions: experiment and theory

2012-03-24

arxiv.org/abs/1203.6533v1

J. Phys. B: At. Mol. Opt. Phys. 43 (2010) 225201

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

23 figures and 3 tables

Scientific paper

10.1088/0953-4075/43/22/225201

High-resolution photoionization experiments were carried out using beams of Be-like C$^{2+}$, N$^{3+}$, and O$^{4+}$ ions with roughly equal populations of the $^1$S ground-state and the $^3$P$^o$ manifold of metastable components. The energy scales of the experiments are calibrated with uncertainties of 1 to 10 meV depending on photon energy. Resolving powers beyond 20,000 were reached allowing for the separation of contributions from the individual metastable $^3$P$^o_0$, $^3$P$^o_1$, and $^3$P$^o_2$ states. The measured data compare favourably with semi-relativistic Breit-Pauli R-matrix

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