@article{manchevaFirstLaserionizedEuropium2025, title = {First laser-ionized europium collection at {CERN}-{MEDICIS}}, volume = {569}, issn = {0168-583X}, url = {https://www.sciencedirect.com/science/article/pii/S0168583X25002629}, doi = {10.1016/j.nimb.2025.165872}, abstract = {The {MEDICIS} facility at {CERN} aims to produce non-conventional radionuclides towards medical applications. In this work, the first collection of europium-145 (Eu-145) at {CERN}-{MEDICIS} is presented, focusing on the development and optimization of a resonance laser ionization scheme to improve isotope extraction efficiency. A two-step ionization scheme was developed and implemented, ensuring compatibility with the available laser infrastructure. The collection campaign in October 2024 successfully delivered Eu-145 for metrology studies, demonstrating the feasibility of laser-enhanced Eu ionization. The results indicate a collection efficiency of 1.85\% ± 0.09\%, although further development is in progress to optimize the ionization scheme and ion source parameters and operating conditions.}, pages = {165872}, journaltitle = {Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms}, shortjournal = {Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms}, author = {Mancheva, R. and Bernerd, C. and Chrysalidis, K. and Cocolios, T. E. and Duchemin, C. and Elle, M. and Rossel, R. and Van Dingenen, B.}, urldate = {2026-02-19}, date = {2025-12-01}, keywords = {{CERN}-{MEDICIS}, Europium, Mass separation, Medical isotopes, Resonance laser ionization, Scheme development, scientific-publication}, }