Energy transfer in the plasma wake-field accelerator
The transfer of energy from the driving beam to the trailing beam in the plasma wake-field accelerator is studied in computer simulations. We show that with an asymmetric current distribution in the driving bunch, trailing particles can gain energies up to (1+k/sub p//sup 2/Z/sup 2/)/sup 1/2/..delta gamma..mc/sup 2/, where Z is the bunch length and ..delta gamma..mc/sup 2/ the average energy loss of driving electrons. Because of the relative phase slippage and the two-stream instability, the process of energy gain degrades before the driving beam loses all of its energy; however, even for ..gamma../sub i/ = 150, ..delta gamma../..gamma../sub i/> or approx. =70%, with an energy gain approx.1 GeV. Transverse effects are briefly discussed.
- Research Organization:
- Department of Physics, University of California, Los Angeles, California 90024
- DOE Contract Number:
- AC03-76SF00515
- OSTI ID:
- 5970922
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 56:12; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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430200* -- Particle Accelerators-- Beam Dynamics
Field Calculations
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ACCELERATORS
BEAM BUNCHING
BEAM DYNAMICS
CAVITATION
COMPUTERIZED SIMULATION
ELECTRIC FIELDS
ELECTRONS
ELEMENTARY PARTICLES
ENERGY LOSSES
ENERGY RANGE
ENERGY TRANSFER
FERMIONS
LEPTONS
LOSSES
PLASMA
PLASMA WAVES
RELATIVISTIC RANGE
SIMULATION