亚甲基自由基在低温下的静电导向
Electrostatic guiding of the methylidyne radical at cryogenic temperatures
摘要：
我们研制了双原子分子自由基CH（次甲基）的低温缓冲气体冷却束流。这种分子对研究冷化学反应和基础物理测量很有意义。它的轻质量和基态结构使其成为静电引导和斯塔克减速的有希望的候选者，这允许控制其动能。这种控制可以促进具有可调碰撞能量的反应的研究和用于精确光谱研究的捕获。在这里，我们已经证明了CH的静电引导，其通量高达$10^9$分子/球面度/脉冲
英文摘要：
We have produced a cryogenic buffer-gas cooled beam of the diatomic molecular radical CH (methylidyne). This molecule is of interest for studying cold chemical reactions and fundamental physics measurements. Its light mass and ground-state structure make it a promising candidate for electrostatic guiding and Stark deceleration, which allows for control over its kinetic energy. This control can facilitate studies of reactions with tuneable collision energies and trapping for precise spectroscopic studies. Here, we have demonstrated electrostatic guiding of CH with fluxes up to $10^9$ molecules per steradian per pulse
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