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Study of H? Production in DC H? Source of Medical Cyclotron

机译:研究H?用DC H生产吗?医用回旋加速器的来源

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A filament driven multi-cusp negative hydrogen ion source has been developed for proton cyclotrons. In order to increase the H? beam current, the dependences of H? beam current on various design/operating parameters has been studied experimentally and numerically. In this paper, the effects of arc-discharge voltage and current on H? production via the volume production process are investigated by three-dimensional kinetic modeling of electrons in the source plasma and zero-dimensional rate equations. This numerical analysis reproduces the experimental results of H? beam current dependence on the arc-discharge condition, and also gives reasonable explanations for their characteristics.
机译:灯丝驱动的多尖端负氢离子源已经为质子回旋加速器开发。为了增加H ?束电流,已经对H ?束电流对各种设计/工作参数的依赖性进行了实验和数值研究。本文通过源等离子体中电子的三维动力学建模和零维速率方程,研究了电弧放电电压和电流对通过量产过程产生H ?的影响。该数值分析再现了H ?束电流与电弧放电条件的关系的实验结果,并对它们的特性给出了合理的解释。

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