Simulations of a High-Transformer-Ratio Plasma Wakefield Accelerator Using Multiple Electron Bunches

Particle-in-cell simulations of a plasma wakefield accelerator in the linear regime are presented, consisting of four electron bunches that are fed into a high-density plasma. It is found that a high transformer ratio can be maintained over 43 cm of plasma if the charge in each bunch is increased li...

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Bibliographic Details
Main Authors: Kallos, Efthymios, Muggli, Patric, Katsouleas, Thomas, Yakimenko, Vitaly, Park, Jangho
Format: Conference Proceeding
Language:English
Subjects:
BEAM BUNCHING
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ELECTRONS
ENERGY LOSSES
FOCUSING
MATERIALS SCIENCE
NONLINEAR PROBLEMS
PARTICLE BEAMS
PLASMA
PLASMA DENSITY
SIMULATION
TRANSFORMERS
WAKEFIELD ACCELERATORS
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Summary:Particle-in-cell simulations of a plasma wakefield accelerator in the linear regime are presented, consisting of four electron bunches that are fed into a high-density plasma. It is found that a high transformer ratio can be maintained over 43 cm of plasma if the charge in each bunch is increased linearly, the bunches are placed 1.5 plasma wavelengths apart and the bunch emmitances are adjusted to compensate for the nonlinear focusing forces. The generated wakefield is sampled by a test witness bunch whose energy gain after the plasma is six times the energy loss of the drive bunches.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3080972