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12.3 Maximum compression

12.3.1 Introducing correlation directly in the bunch

Figure 12.5: Longitudinal phase space before and after the compressor, without space charge forces. (a) before the compressor - (b) after the compressor
Image nml-compr_radial-Ek40-Q32-Ez1-Ex1-corEk-180-5000_80_z=115_phase_space_z_F_nospch (a) Image nml-compr_radial-Ek40-Q32-Ez1-Ex1-corEk-180-5000_80_z=150_phase_space_z_F_nospch(b)

Figure 12.6: Longitudinal phase space before and after the compressor, with space charge forces. (a) before the compressor - (b) after the compressor
Image nml-compr_radial-Ek40-Q32-Ez1-Ex1-corEk-180-5000_36_z=115_phase_space_z_F_spch3D (a) Image nml-compr_radial-Ek40-Q32-Ez1-Ex1-corEk-180-5000_36_z=150_phase_space_z_F_spch3D(b)

Figure 12.7: Size of the bunch after compression for different correlated energy spread. (a) without space charge - (b) with space charge. The maximum compression is obtained for a correlation of -220 KeV.
Image BunchDimensionCompressor-Energycorrelation-NOSPCH (a) Image BunchDimensionCompressor-Energycorrelation-3D(b)
Figure 12.8: Emittance after compression for different correlated energy spread. (a) without space charge - (b) with space charge
Image BunchEmittanceCompressor-Energycorrelation-NOSPCH (a) Image BunchEmittanceCompressor-Energycorrelation-3D(b)

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Emmanuel Branlard