Zhang Jun-Yao, Lu Xiao-Yong, Li Yun-Fei, Chai Jun-Jie
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New spectroscopic data on odd-parity autoionization states of atomic lutetium
A three-color three-step resonance ionization mass spectroscopy technique was explored to investigate the odd-parity autoionization states of atomic lutetium, covering a range from 51,850 to 55,000 cm−1. By applying Fano fitting to the spectral analysis, we successfully identified 98 autoionization states, with 69 of which had never been reported. We also determined the half-width and transition strength for all identified states. Additionally, the lifetime of the excited state at 36,769.25 cm−1 was measured. This work provides the most comprehensive dataset to date on the complex odd-parity autoionization states of atomic lutetium, offering essential insights for enhancing the efficiency of resonant photoionization processes and understanding the atomic autoionization structure of lutetium.
期刊介绍：
The European Physical Journal D (EPJ D) presents new and original research results in:
Atomic Physics;
Molecular Physics and Chemical Physics;
Atomic and Molecular Collisions;
Clusters and Nanostructures;
Plasma Physics;
Laser Cooling and Quantum Gas;
Nonlinear Dynamics;
Optical Physics;
Quantum Optics and Quantum Information;
Ultraintense and Ultrashort Laser Fields.
The range of topics covered in these areas is extensive, from Molecular Interaction and Reactivity to Spectroscopy and Thermodynamics of Clusters, from Atomic Optics to Bose-Einstein Condensation to Femtochemistry.
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