A new benchmark of soft X-ray transition energies of 
, 
, and 
: paving a pathway towards ppm accuracy
, , , , , , , , , et al. (17 more)
Eur. Phys. J. D, 76 3 (2022) 38
Published online: 01 March 2022
DOI: 10.1140/epjd/s10053-022-00355-0