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Measurement of $D$ -line energies in sodiumlike Ir

https://doi.org/10.1103/xf52-d6s6

Staiger, H.; Mondeel, G.; Blundell, S_A; Dipti; O'Neil, G.; Silwal, R.; Lapierre, A.; Gwinner, G.; Tan, J_N; Gillaspy, J_D; et al (July 2025, Physical Review A)
Testing relativistic atomic structure and bound-state quantum electrodynamics with Co-like ions

https://doi.org/10.1103/PhysRevA.111.042821

Silwal, R.; Blundell, S_A; Sanders, S_C; Dipti; Staiger, H.; Hosier, A.; Fuller, M_G; Ralchenko, Yu; Takacs, E. (April 2025, Physical Review A)
Absolute nuclear charge radius by Na-like spectral line separation in high-Z elements

https://doi.org/10.1088/1361-6455/ad717b

Hosier, A.; Dipti; Blundell, S_A; Silwal, R.; Lapierre, A.; Gillaspy, J_D; Gwinner, G.; Tan, J_N; Kwiatkowski, A_A; Wang, Y.; et al (September 2024, Journal of Physics B: Atomic, Molecular and Optical Physics)

Abstract We describe a novel technique to determine absolute nuclear radii of high-Znuclides. Utilizing accurate theoretical atomic structure calculations together with precise measurements of extreme ultraviolet transitions in highly charged ions this method allows for precise determinations of absolute nuclear charge radii based upon the well-known nuclear radii of their neighboring elements. This method can work for elements without stable isotopes, and its accuracy may be competitive with current methods (electron scattering and muonic x-ray spectroscopy).
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