The  simulation  of  ionic  radial  density  in  high  intensity   ion  beam*

Bai, Linquan; Jia-Qiang, Weng; Jin-Qing, Fang; Xiao-Shu, Luo

doi:10.7498/aps.53.4126

Cited by 3 publications

(1 citation statement)

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“…At present, study of controlling the beam halochaos through a rectangle periodic-focusing channel or a uniform-focusing channel has been carried out in Refs. [7][8][9][10][11][12][13][14][15][16][17][18][19], but the high intensity beam through a triangle periodic-focusing channel has not been studied. In this paper, we investigate the beam halo-chaos in the triangle periodic-focusing magnetic field, and propose the idea of Gauss function controller of strong nonlinearity and stability for controlling the halo.…”

Section: Introductionmentioning

confidence: 99%

Control of beam halo-chaos by Gauss function in the triangle periodic-focusing channel

Bai

Jia-Qiang

et al. 2008

Chinese Phys. B

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This paper studies the Kapchinsky–Vladimirsky (K–V) beam through a triangle periodic-focusing magnetic field by using the particle-core model. The beam halo-chaos is found, and an idea of Gauss function controller is proposed based on the strategy of controlling the halo-chaos. It performs multiparticle simulation to control the halo by using the Gauss function control method. The numerical results show that the halo-chaos and its regeneration can be eliminated effectively, and that the radial particle density is uniform at the centre of the beam as long as the control method and appropriate parameter are chosen.

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Section: Introductionmentioning

confidence: 99%

Control of beam halo-chaos by Gauss function in the triangle periodic-focusing channel

Bai

Jia-Qiang

et al. 2008

Chinese Phys. B

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Control of Beam Halo-Chaos by Fraction Power-Law Function in Hackle Periodic-Focusing Channel

Yu¹,

Bai²,

Jia-Qiang³

et al. 2008

Commun. Theor. Phys.

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The Kapchinsky-Vladimirsky (K-V) beam through a hackle periodic-focusing magnetic field is studied using the particle-core model. The beam halo-chaos is found, and an idea of fraction power-law function controller is proposed based on the mechanism of halo formation and the strategy of controlling halo-chaos. The method is applied to the multi-particle simulation to control the halo. The numerical results show that the halo-chaos and its regeneration can be eliminated effectively by using the fraction power-law function control method. At the same time, the radial particle density is uniform at the beam's center as long as the control method and appropriate parameter are chosen.

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Control of Beam Halo-Chaos Based on Self-Field-Intensity of Particle Beam

Yu¹,

Bai²,

Jia-Qiang³

et al. 2008

Chinese Phys. Lett.

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The KV beam through an axisymmetric periodic-focusing magnetic field is studied using the particle-core model. A new variable of the self-field-intensity of particle beam is selected, and an idea of self-field feedback controller is proposed based on the variable for controlling the halo-chaos. We perform multiparticle simulation to control the halo by using the self-field feedback controller. The numerical results show that the halo-chaos and its regeneration can be eliminated effectively, and that the density uniformity can be found at the centre of beam as long as an appropriate control method is chosen. The control method may be operated in the experiment, because field intensity measurement is easy.

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The simulation of ionic radial density in high intensity ion beam*

Cited by 3 publications

References 0 publications

Control of beam halo-chaos by Gauss function in the triangle periodic-focusing channel

Control of beam halo-chaos by Gauss function in the triangle periodic-focusing channel

Control of Beam Halo-Chaos by Fraction Power-Law Function in Hackle Periodic-Focusing Channel

Control of Beam Halo-Chaos Based on Self-Field-Intensity of Particle Beam

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