Commissioning of a high-resolution collinear laser spectroscopy apparatus with a laser ablation ion source

• 作者: Shi-Wei Bai Xiao-Fei Yang Shu-Jing Wang Yong-Chao Liu Peng Zhang Yin-Shen Liu Han-Rui Hu Yang-Fan Guo Jin Wang Ze-Yu Du Zhou Yan Yun-Kai Zhang Yan-Lin Ye Qi-Te Li Yu-Cheng Ge Chuang-Ye He
• 来源期刊: 核技术（英文版）
• 年，卷（期）: 2022,（1）
• 所属期刊栏目: NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH
• 页码范围: 98-106
• 页数: 9页
• 语种: 英文

摘要

Collinear laser spectroscopy is a powerful tool for studying the nuclear spins,electromagnetic moments,and charge radii of exotic nuclei.To study the nuclear properties of unstable nuclei at the Beijing Radioactive Ion-beam Facility (BRIF) and the future High Intensity Heavy-ion Accelerator Facility (HIAF),we developed a collinear laser spectroscopy apparatus integrated with an offline laser ablation ion source and a laser system.The overall performance of this state-of-the-art technique was evaluated,and the system was commissioned using a bunched stable ion beam.The high-resolution optical spectra for the 4s 2S1/2 → 4p 2P3/2 (D2) ionic transition of 40,42,44,48Ca isotopes were successfully measured.The extracted isotope shifts relative to 40Ca showed excellent agreement with the literature values.This system is now ready for use at radioactive ion beam facilities such as the BRIF and paves the way for the further development of higher-sensitivity collinear resonance ionization spec-troscopy techniques.