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首页> 外文期刊>Nuclear Instruments & Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment >Adiabatic damping of the bunch length in the induction synchrotron
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Adiabatic damping of the bunch length in the induction synchrotron

机译：感应同步加速器中束长度的绝热阻尼

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摘要

We observed that the bunch length decreases with acceleration in an induction synchrotron (IS) experiment, where a single proton bunch injected from a 500 MeV booster ring was accelerated to 6 GeV in the KEK proton synchrotron (KEK-PS). A novel technique that can be used to quantitatively predict the adiabatic phenomenon in barrier-bucket acceleration has been newly developed on the basis of a hypothesis that the particle oscillation amplitude varies inversely proportional to the square root of its oscillation frequency. This approach was verified by comparing the analytic prediction with experimental results which indicates that the bunch length in barrier-bucket acceleration does not continue to shrink, but reaches a constant value depending on the time duration between barrier voltages. It turns out that the experimental result and analytical prediction are in good agreement.
机译：我们在感应同步加速器（IS）实验中观察到束长度随加速而减小，其中从500 MeV助推环注入的单个质子束在KEK质子同步加速器（KEK-PS）中被加速至6 GeV。基于粒子振动幅度与振动频率的平方根成反比的假设，已经开发出了一种新技术，该技术可用于定量预测阻隔桶加速中的绝热现象。通过将分析预测与实验结果进行比较，验证了该方法，该结果表明势垒桶加速中的束长度不会继续缩小，而是会根据势垒电压之间的持续时间达到恒定值。结果表明，实验结果与分析预测吻合良好。

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