Bulletin of the American Physical Society
2006 48th Annual Meeting of the Division of Plasma Physics
Monday–Friday, October 30–November 3 2006; Philadelphia, Pennsylvania
Session CP1: Poster Session II: Reversed Field Pinch; Field Reversed Configuration and Spheromak; Waves and Instabilities; Beams and Coherent Radiation
Monday, October 30, 2006
Philadelphia Marriott Downtown Room: Franklin Hall AB, 2:00pm-5:00pm
Abstract ID: BAPS.2006.DPP.CP1.136
Abstract: CP1.00136 : Quasi-static Modeling of Plasma Wake Field Acceleration of Electron/Positron Beams
Preview Abstract Abstract
A quasi-static particle in cell code QuickPIC is used to model Plasma Wake Field Acceleration (PWFA) by a relativistic electron or positron beam. Field-ionization, synchrotron radiation effects are included in the model. For an electron beam driver, the parameters in recent afterburner relevant experiments (E167) are used. Head erosion turns out to be a key factor limiting further energy gain for these parameters. The erosion speed in the simulation are compared with a simple theoretical calculation. The final energy spectrum measured in the experiment agreed very well with simulation predictions. For a positron beam driver, beam parameters relevant to the future SABER facilities are considered. Simulations show a pattern of positron beam evolution, i.e. a rapid modulation followed by an envelope stabilization. Up to 5.7 GeV energy gain were observed within 39 centimeters of plasma. At the end, a method of including the trapped particles into the quasi-static model will be described. Preliminary results will be shown.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2006.DPP.CP1.136
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