Table 1 Parameters for the simulation
From: Positron acceleration in a hollow plasma channel up to TeV regime
Parameters | Symbols | Values |
---|---|---|
Number of protons in the drive beam | N p | 1011 |
Initial energy of protons | W P | 2 TeV |
Initial longitudinal size of the driver | σz | 100 μm |
Initial spot size of the driver | σr | 430 μm |
Initial longitudinal momentum spread of the driver | ΔPz/Pz | 0.1 |
Normalized emittance of the driver | εn | 1 mm-mrad |
Initial witness energy | W w | 1 GeV |
Total witness charge | Q w | 800 pC |
Initial bunch length of the witness beam | σwz | 25 μm |
Initial spot size of the witness beam | σwr | 50 μm |
Initial normalized emittance of the witness beam | εwn | 1 mm-mrad |
Plasma density | n 0 | 1015 cm−3 |
Plasma channel radius | r 0 | 0.75 mm |
Magnetic field gradient | S | 0.5 T/mm |
Space period of the quadrupoles | L q | 3 m |