MARA分离器低能放射性离子束装置的研制
Development of a low-energy radioactive ion beam facility for the MARA separator
摘要：
芬兰于韦斯屈莱大学加速器实验室正在开发一个低能放射性离子束设施，用于生产和研究在质子滴注线附近产生的核。该设施将利用最近投入使用的MARA真空模式质量分离器的质量选择性。MARA选择的离子将在提取和进一步质量分离之前在小体积气室中停止和热化。气室设计允许在气室中和在气体射流中进行共振激光电离/光谱分析。该设施将包括实验装置，允许离子计数，质量测量和衰变光谱。
英文摘要：
A low-energy radioactive ion beam facility for the production and study of nuclei produced close to the proton drip line is under development at the Accelerator Laboratory of the University of Jyväskylä, Finland. The facility will take advantage of the mass selectivity of the recently commissioned MARA vacuum-mode mass separator. The ions selected by MARA will be stopped and thermalised in a small-volume gas cell prior to extraction and further mass separation. The gas cell design allows for resonance laser ionisation/spectroscopy both in-gas-cell and in-gas-jet. The facility will include experimental setups allowing ion counting, mass measurement and decay spectroscopy.
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