Guiding Effect of Electron Beam by Grooved Insulating Parallel Plates

ZHANG Mingwu; XUE Yingli; LI Xin; LIU Junliang; YU Deyang; YANG Bian; WANG Wei; GUO Yipan; LI Xiaoxiao; YANG Liping; XI Wei; ZHU Xiaona; ZHANG Yuezhao; SHAO Caojie; CAI Xiaohong

doi:10.11804/NuclPhysRev.35.02.204

Adopting several grooved parallel plates made by different insulators, such as high-purity fused quartz, Teflon, Bakelite and POM (Polyformaldehyde), and further adjusting the electron beam current in a wide range (tens of pA~tens of nA), the discharging mechanism in the self-organizing charge and discharge processes of electron guiding was investigated and discussed by using 1 500 eV incident electron beam. The present results show that, the electron guiding behaviors are obviously existing when such electron beam is transmitted through the above grooved insulating parallel plates, which are independent on beam current and insulators. Our results suggest that, the possibilities of the accumulated charges on inner-surface of grooved parallel plates linearly discharging through surface and bulk resistances of plates into the ground should be excluded.

Guiding Effect of Electron Beam by Grooved Insulating Parallel Plates

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Funds: National Natural Science Foundation of China (11205224, 11275240, U1332206)

Received Date: 2017-11-21

Rev Recd Date: 2017-12-25

Publish Date: 2018-06-20

Key words:

Abstract: Adopting several grooved parallel plates made by different insulators, such as high-purity fused quartz, Teflon, Bakelite and POM (Polyformaldehyde), and further adjusting the electron beam current in a wide range (tens of pA~tens of nA), the discharging mechanism in the self-organizing charge and discharge processes of electron guiding was investigated and discussed by using 1 500 eV incident electron beam. The present results show that, the electron guiding behaviors are obviously existing when such electron beam is transmitted through the above grooved insulating parallel plates, which are independent on beam current and insulators. Our results suggest that, the possibilities of the accumulated charges on inner-surface of grooved parallel plates linearly discharging through surface and bulk resistances of plates into the ground should be excluded.

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Reference (26)

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Guiding Effect of Electron Beam by Grooved Insulating Parallel Plates

doi: 10.11804/NuclPhysRev.35.02.204

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