X-ray shielding estimations for rep-rate high power microwave accelerators

Yang Hanwu; Xun Tao; Gao Jingming; Zhang Zicheng

doi:10.11884/HPLPB201830.170532

Volume 30 Issue 7

Jul. 2018

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Yang Hanwu, Xun Tao, Gao Jingming, et al. X-ray shielding estimations for rep-rate high power microwave accelerators[J]. High Power Laser and Particle Beams, 2018, 30: 073005. doi: 10.11884/HPLPB201830.170532

Citation:

Yang Hanwu, Xun Tao, Gao Jingming, et al. X-ray shielding estimations for rep-rate high power microwave accelerators[J]. High Power Laser and Particle Beams, 2018, 30: 073005. doi: 10.11884/HPLPB201830.170532

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X-ray shielding estimations for rep-rate high power microwave accelerators

doi: 10.11884/HPLPB201830.170532

College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China

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Author Bio:
Yang Hanwu(1974-), male, research professor, engaged in pulsed power and high power microwave technologies; yanghw@nudt.edu.cn
Received Date: 2017-12-30
Rev Recd Date: 2018-02-27
Publish Date: 2018-07-15

Abstract

Abstract

High power microwave research is moving into the high rep-rate regime and it will be common that an electron beam accelerator operates more than a million shots per year. As a result, accumulated bremsstrahlung X-ray produced by the electron beam collector is no longer negligible, and shielding is necessary for personnel safety. By using the BEAMnrc Monte-Carlo code, a typical collector for a ring beam usually used in HPM tube is simulated, which has beam voltage 1 MV, beam current 10 kA, pulse duration 100 ns and rep-rate 100 Hz. The results show the spectrum and spatial distribution of the X-ray generated at the collector. The attenuation factor of the X-ray is estimated from the simulation. The estimation of the skyshine radiation is also considered for the roof of the building.
- high power microwaves,
- X-ray shielding,
- Monte-Carlo,
- intense relativistic electron beam

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References(7)

References

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