Simulation code development for field emission and multipacting for cavities

Wang Chuan; Andreas Adelmann; Zhang Tianjue; Jiang Xingdong

doi:10.3788/HPLPB20122405.1244

Volume 24 Issue 05

Jun. 2016

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(05): 1244-1246

Cui Chaolong, Huang Honghua, Mei Haiping, et al. Turbulent scintillation lidar for acquiring atmospheric turbulence information[J]. High Power Laser and Particle Beams, 2013, 25: 1091-1096. doi: 10.3788/HPLPB20132505.1091

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Wang Chuan, Andreas Adelmann, Zhang Tianjue, et al. Simulation code development for field emission and multipacting for cavities[J]. High Power Laser and Particle Beams, 2012, 24: 1244-1246. doi: 10.3788/HPLPB20122405.1244

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Simulation code development for field emission and multipacting for cavities

doi: 10.3788/HPLPB20122405.1244

1.
China Institute of Atomic Energy,Beijing 102413,China;
2.
Paul Scherrer Institut,5232 Villigen PSI,Switzerland

Received Date: 2011-11-21
Publish Date: 2012-05-15

Abstract

Abstract

Dark current initiated by field emission and multipacting caused by secondary emission have been observed in various radio frequency or microwave components. These phenomena are believed to be major limitations on the stable operation of the particle accelerators, communication satellites and microwave payloads of spacecrafts. This work extends OPAL, a parallel framework for charged particle optics in accelerator structures and beam lines, with the necessary physics models to simulate dark current and multipacting phenomena. Careful benchmark has been performed by code to code comparison with TxPhysics library. After benchmarking, the dark current in highgradient linac structures was evaluated and the post processing capability of OPAL was shown.
- field emission,
- multipacting,
- code development,
- rf resonator

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