Natural-linewidth measurements of the 3C and 3D soft-x-ray transitions in Ni XIX

Chintan Shah, Steffen Kühn, Sonja Bernitt +15

We used the monochromatic soft-x-ray beamline P04 at the synchrotron-radiation facility PETRA III to resonantly excite the strongest $2p-3d$ transitions in neon-like Ni XIX ions, $…