带有充气RF腔的六维μ子电离螺旋冷却通道
Helical Six-Dimensional Muon Ionization Cooling Channel with Gas-Filled RF Cavities
摘要:
研究了螺旋形磁通道中六维μ子的电离冷却。通过求解精确的哈密顿量来分析评估冷却性能,并在数值模拟中重现。用于螺旋通道的关键梁元件之一是实现紧凑的冷却通道的填充有浓氢气的RF腔。此外,腔内的束流诱导气体等离子体可以产生等离子体聚焦效应。这将产生极小的电子感应加速器功能,实现极低发射度束流。
英文摘要:
A six-dimensional muon ionization cooling in a helical magnet channel has been studied. The cooling performance which is analytically evaluated by solving the exact Hamiltonian is reproduced in numerical simulation. One of the key beam elements for the helical channel is a dense-hydrogen gas-filled RF cavity which realizes a compact cooling channel. Besides, a beam-induced gas plasma in the cavity can generate a plasma-focusing effect. This will generate extremely small betatron function, which realizes extremely low emittance beam.
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