Spectroscopy enables the precise study of astronomical objects and phenomena. Bridging
the gap between physics and astronomy, this is the first integrated graduate-level textbook …

Absolute total electron-ion recombination rate coefficients of argonlike Sc 3+(3 s 2 3 p 6)
ions have been measured for relative energies between electrons and ions ranging from 0 …

A unified scheme using the R-matrix method has been developed for electron–ion
recombination subsuming heretofore separate treatments of radiative and dielectronic …

Relative cross sections for the valence shell photoionisation (PI) of ${}^{2}{\rm {S}} $ ground
level and ${}^{2}{\rm {D}} $ metastable Ca+ ions were measured with high energy resolution …

Within the framework of the rigorous continuum-bound transition theory of Davies and
Seaton [J. Phys. B 2, 757 (1969)], we have developed a numerical method to calculate low …

A computational scheme, based on the theory of the continuum-bound transitions of Bell and
Seaton [J. Phys. B 18, 1589 (1985)] and the close-coupling R-matrix approach, has been …

Dielectronic recombination (DR) of Li+ ions in the metastable 1 s 2 s 3 S state has been
calculated by using the close-coupling R-matrix method and perturbation theory, and …

Aimed at ionization balance and spectral analysis of UV and X-ray sources, we present self-
consistent sets of photoionization cross sections, recombination cross sections, and rate …

Relative cross sections for the valence shell photoionisation (PI) of $\rm^ 2S $ ground level
and $\rm^ 2D $ metastable Ca $^{+} $ ions were measured with high energy resolution by …

Recent results on the recombination of atomic ions with free electrons in the presence of
external electromagnetic fields are reported. While dielectronic recombination via high …