Electron energy deposition in RBWO collector

Zhang Liang; Ma Tengyue; Yang Ning; Hu Pan; Song Wei; Liang Yuqin

doi:10.11884/HPLPB201527.123008

Volume 27 Issue 12

Jan. 2016

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Article Navigation > High Power Laser and Particle Beams > 2015 > 27(12): 123008

Bao Yu, He Xiang, Chen Jianping, et al. Effect of plasma on transmission characteristics of high-frequency microwave[J]. High Power Laser and Particle Beams, 2025, 37: 013003. doi: 10.11884/HPLPB202537.240296

Citation:

Zhang Liang, Ma Tengyue, Yang Ning, et al. Electron energy deposition in RBWO collector[J]. High Power Laser and Particle Beams, 2015, 27: 123008. doi: 10.11884/HPLPB201527.123008

Citation:

Zhang Liang, Ma Tengyue, Yang Ning, et al. Electron energy deposition in RBWO collector[J]. High Power Laser and Particle Beams, 2015, 27: 123008. doi: 10.11884/HPLPB201527.123008

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Electron energy deposition in RBWO collector

doi: 10.11884/HPLPB201527.123008

1.
State Key Laboratory of Intense Pulsed Radiation Simulation and Effect,Northwest Institute of Nuclear Technology,Xi’an 710024,China

Received Date: 2015-07-20
Rev Recd Date: 2015-09-29
Publish Date: 2015-11-26

Abstract

Abstract

In the circular symmetrical magnetic field, the annular electron beam impacts on the cylindrical relativistic backward-wave oscillator (RBWO), in which the energy of the electrons are deposited. The model of the electron energy deposition is built with Monte Carlo code FLUKA, and the distribution of the electron energy deposition is studied. The motion model for the backscattering electron is built and the electron trajectory in magnetic field is simulated. The method for approximating the circular symmetrical magnetic field is developed. Several conclusions are made as follows: with the magnetic field enhanced, the maximal energy deposition density becomes larger, and the position of the backscattering electron is nearer to the incident electrons region and a new energy deposition peak may occur. When the magnetic field is strong enough, the unidirectional magnetic field could be applied to the calculation of the energy deposition distribution under circular symmetrical magnetic field.
- relativistic backward-wave oscillator,
- energy deposition,
- FLUKA,
- backscattering electron,
- azimuthally symmetrical tapered magnetic field

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