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首页> 外文会议>Biennial European Particle Accelerator Conference >SIMULATION STUDIES ON THE VERTICAL EMITTANCE GROWTH AT THE EXISTING ATF EXTRACTION BEAMLINE
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SIMULATION STUDIES ON THE VERTICAL EMITTANCE GROWTH AT THE EXISTING ATF EXTRACTION BEAMLINE

机译：现有ATF提取光束线上垂直辐射生长的仿真研究

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摘要

Significant beam intensity-dependence of the vertical emittance growth was experimentally observed at the Accelerator Test Facility (ATF) at KEK extraction beamline. This paper presents the simulations of possible vertical emittance growth sources, particularly in the extraction channel, where the magnets are shared by both the ATF extraction beamline and its damping ring. The vertical emittance growth is observed in the simulations by changing the beam orbit in the extraction channel, even with all optics corrections. The possible reasons for the experimentally observed dependence of the vertical emittance growth on the beam intensity are also discussed. An experiment to measure the emittance versus beam orbit at the existing ATF extraction beamline is ongoing led by the European colleagues.
机译：在Kek提取光束线上的加速器测试设施（ATF）在Accelerator测试设施（ATF）上实验观察垂直辐射生长的显着光束强度依赖性。本文介绍了可能的垂直发射生长源的模拟，特别是在提取通道中，其中磁体由ATF提取束线和其阻尼环共用。即使用所有光学校正，也通过改变提取通道中的梁轨道，在模拟中观察到垂直发射生长。还讨论了实验观察到垂直发射生长对光束强度的依赖性的可能原因。在现有的ATF提取光束线上测量射频与梁轨道的实验是由欧洲同事的领导。

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