Monte Carlo simulation of a nonlaminar DC beam including the influence of self-fields

Author

Zapalac, G.

Author_Institution

Imatron Inc., San Francisco, CA, USA

Volume

2

fYear

1997

fDate

12-16 May 1997

Firstpage

2618

Abstract

We present a method to simulate the transport of a nonlaminar DC beam under the influence of self-fields. The simulation randomly populates an initial phase space distribution with n particles. These particles are propagated in steps through the transport region, and the particle positions at each step are used in an unbinned maximum likelihood fit for the beam profile distribution. The self-fields at the position of each particle are calculated using the fitted beam profile distribution. The total computation required by the simulation scales linearly with n. The simulation for an electron beam with a phase space given by the Kapchinskij-Vladimirskij distribution is in good agreement with the beam profile predicted by the Kapchinskij-Vladimirskij envelope equations

Keywords

Monte Carlo methods; electron beams; electron optics; maximum likelihood estimation; particle beam dynamics; Kapchinskij-Vladimirskij distribution; Kapchinskij-Vladimirskij envelope equations; Monte Carlo simulation; electron beam; maximum likelihood; nonlaminar DC beam; phase space distribution; self-fields; Computational modeling; Electron beams; Electron optics; Electrostatics; Equations; Magnetic fields; Particle beam optics; Particle beams; Predictive models; Space charge;

fLanguage

English

Publisher

ieee

Conference_Titel

Particle Accelerator Conference, 1997. Proceedings of the 1997

Conference_Location

Vancouver, BC

Print_ISBN

0-7803-4376-X

Type

conf

DOI

10.1109/PAC.1997.751293

Filename

751293