Werl, M., Koller, T., Haidegger, P., Wrathall, S., Eßletzbichler, L., Niggas, A., Aumayr, F., Tökési, K., & Wilhelm, R. A. (2025). Lifetime of a freely decaying hollow atom. Physical Review Research (PRResearch), 7(1), Article 013176. https://doi.org/10.1103/PhysRevResearch.7.013176 ( reposiTUm)

Niggas, A., Werl, M., Aumayr, F., & Wilhelm, R. A. (2024). Charge exchange of slow highly charged ions from an electron beam ion trap with surfaces and 2D materials. Journal of Physics B: Atomic, Molecular and Optical Physics, 57, Article 072001. https://doi.org/10.1088/1361-6455/ad2e2a ( reposiTUm)