High-precision measurements of $n=2\to n=1$ transition energies and level widths in He- and Be-like Argon Ions

J. Machado, C. I. Szabo, J. P. Santos +7

We performed a reference-free measurement of the transition energies of the $1s2p{}^{1}P\_1\to 1s^2{}^{1}S\_0$ line in He-like argon, and of the $1s 2s^2 2p\,^1P\_1\to 1s^2 2s^2\,^1S…