2 papers
astro-ph.EP2012
K-shell photoionization of ground-state Li-like carbon ions [C]: experiment, theory and comparison with time-reversed photorecombination
A Müller, S. Schippers, R. A. Phaneuf +10
Absolute cross sections for the K-shell photoionization of ground-state Li-like carbon [C(1s2s S)] ions were measured by employing the ion-photon merged-beams techni…
physics.atom-ph2002
Fourth-order perturbative extension of the singles-doubles coupled-cluster method
Andrei Derevianko, Erik D. Emmons
Fourth-order many-body corrections to matrix elements for atoms with one valence electron are derived. The obtained diagrams are classified using coupled-cluster-inspired separatio…