TRIGA-SPEC：美因茨研究堆TRIGA的质谱和laser光谱装置
TRIGA-SPEC: A setup for mass spectrometry and laser spectroscopy at the research reactor TRIGA Mainz
摘要：
研究反应堆TRIGA Mainz是提供富中子核素的理想设施，其生产率足以进行质谱和激光光谱研究。在TRIGA-SPEC项目中，正在安装Penning陷阱以及用于共线激光光谱学的光束线。几个新的发展将确保高灵敏度的陷阱设置，使质量测量，即使在一个单一的离子。除了反应堆中产生的富中子裂变产物外，还可以首次使用离线离子源研究重核素，如235-U或252-Cf。质量测量所提供的数据将对快速中子俘获过程的天体物理计算以及对重质量区质量模型的检验有意义。激光光谱测量将产生与模型无关的核基态性质的信息，如核矩和远离稳定的难熔元素的富中子核的电荷半径。该出版物描述了实验装置以及其现状。
英文摘要：
The research reactor TRIGA Mainz is an ideal facility to provide neutron-rich nuclides with production rates sufficiently large for mass spectrometric and laser spectroscopic studies. Within the TRIGA-SPEC project, a Penning trap as well as a beam line for collinear laser spectroscopy are being installed. Several new developments will ensure high sensitivity of the trap setup enabling mass measurements even on a single ion. Besides neutron-rich fission products produced in the reactor, also heavy nuclides such as 235-U or 252-Cf can be investigated for the first time with an off-line ion source. The data provided by the mass measurements will be of interest for astrophysical calculations on the rapid neutron-capture process as well as for tests of mass models in the heavy-mass region. The laser spectroscopic measurements will yield model-independent information on nuclear ground-state properties such as nuclear moments and charge radii of neutron-rich nuclei of refractory elements far from stability. This publication describes the experimental setup as well as its present status.
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