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o ptics with SC

o ptics with SC. XFEL, design optics. BC0. BC1. BC2. horizontal vertical. m omenta tracking. (non)linear self force. s pace charge de-focusing. a nalytic expression for gaussian distributions  with respect to slice or full bunch i n the following: slice.

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o ptics with SC

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  1. optics with SC XFEL, design optics BC0 BC1 BC2 horizontal vertical

  2. momenta tracking (non)linear self force space charge de-focusing analytic expression for gaussian distributions  with respect to slice or full bunch in the following: slice space charge parameter

  3. space charge parameter 20 pC 100 pC 250 pC 500 pC 1nC 1nC 500 pC 250 pC 100 pC 20 pC

  4. space charge miss-match match Bmag,x 20 pC 100 pC 250 pC 500 pC 1nC Bmag,y

  5. optics with/without space charge match 1 nC

  6. optics with/without space charge match 250 pC

  7. optics with/without space charge match 20 pC

  8. Astra simulations in preparation

  9. SASE killer effect

  10. analytic estimations (1d) numerical estimation (1d) “rftweak” full 3d calculation in preparation / running

  11. setup & optics

  12. modulation amplitude FLASH @ 19 nm undulator laser

  13. A B CD EF G H B D F H 100 keV modulation amplitude AB CD EF GH ~ 3 MeV rms energy spread

  14. 500 keV modulation amplitude ~ 3.5 MeV rms energy spread

  15. first 3d simulation 250 keV modulation amplitude current/A near end of beam line / beam line coordinate/ m bunch coordinate/ m current/A bunch coordinate/ m

  16. current/A beam line coordinate/ m bunch coordinate/ m “side view” current/A period of plasma oscillation  120 m beam line coordinate/ m

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