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arXiv 2103.15583physics.acc-ph
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紧凑型回旋加速器中的束流剥离相互作用

Beam stripping interactions in compact cyclotrons

Pedro Calvo, Iván Podadera, Daniel Gavela, Concepción Oliver, Andreas Adelmann, Jochem Snuverink, Achim Gsell

摘要:

研究了氢离子束与残余气体和电磁场相互作用时的束剥离损失.这些过程在紧凑型回旋加速器中起着重要的作用,其中束在内部离子源上产生,并且它们在高磁场下操作。剥离相互作用的实施到束流动力学程序OPAL提供了一个足够的框架来估计剥离损失紧凑型回旋加速器,如AMIT。分析的重点是优化高能束流输送到目标。通过调整离子源的参数来调节加速器内部的真空度,并使束流剥离损失最小化。

英文摘要:

Beam stripping losses of H- ion beams by interactions with residual gas and electromagnetic fields are evaluated. These processes play an important role in compact cyclotrons where the beam is produced on an internal ion source, and they operate under high magnetic field. The implementation of stripping interactions into the beam dynamics code OPAL provides an adequate framework to estimate the stripping losses for compact cyclotrons such as AMIT. The analysis is focused on optimizing the high energy beam current delivered to the target. The optimization is performed by adjusting parameters of the ion source to regulate the vacuum level inside the accelerator and minimize the beam stripping losses.

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