-
Federal
NIST Atomic Spectra Database - SRD 78
National Institute of Standards and Technology —
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are... -
Federal
A suite of atomic structure codes originally developed by R. D. Cowan adapted for Windows-based personal computers.
National Institute of Standards and Technology —
The package consists of a set of computer programs for calculation of energy levels, radiative transition wavelengths and probabilities, electron impact excitation...