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A 500 MeV S-band Low Cost Electron Beam Source for ILC Keep Alive Source

A 500 MeV S-band Low Cost Electron Beam Source for ILC Keep Alive Source. Goal: 500 + MeV, 3 nC , ~ 1 mm on ILC Ti Target. Wei Gai, ANL. Injector/Pre-accelerator. APS Micro-wave photocathode gun (4 MeV ). SLC 3 M Structure, up to 68 MeV/40 MW. SLC 3 M Structure, up to 68 MeV/40 MW.

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A 500 MeV S-band Low Cost Electron Beam Source for ILC Keep Alive Source

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  1. A 500 MeV S-band Low Cost Electron Beam Source for ILC Keep Alive Source Goal: 500 + MeV, 3 nC, ~ 1 mm on ILC Ti Target Wei Gai, ANL

  2. Injector/Pre-accelerator APS Micro-wave photocathode gun (4 MeV ) SLC 3 M Structure, up to 68 MeV/40 MW SLC 3 M Structure, up to 68 MeV/40 MW Energy Filter Magnet* 40 MW 40 MW 5 MW SLED, output 85 MW, 2s Output energy Depends on input RF Power. 40% overhead build in. Modulator (100 MW, 5s) 10 Hz TH2128C Klystron 50 MW, 5 s

  3. SLAC 3 M Structure, up to 68 MeV/40 MW SLAC 3 M Structure, up to 68 MeV/40 MW SLAC 3 M Structure, up to 68 MeV/40 MW SLAC 3 M Structure, up to 68 MeV/40 MW 40 MW 40 MW 40 MW 40 MW • SLED, output 85 MW, 2s • SLED, output 85 MW, 2s Modulator (100 MW, 5s) 10 Hz Modulator (100 MW, 5s) 10 Hz TH2128C Klystron 50 MW, 5 s TH2128C Klystron 50 MW, 5 s 500 MeV + 100 MeV + from injector 375 + MeV 250 + MeV

  4. Cost (all commercial components) • 8 Linac tanks, $800 K (from IHEP, China) • 4 SLC SLED, $70x4 K (IHEP) • APS style RF gun, $100 K (Many places). • Modulator, $300x4 K (Home build, based on L-band cost at ANL, including constant charging supplies). • Klystron, $250x4 K (From Thales, accurate quote from the company). • Waveguide components (phase shifters, splitters, $60x4 K). • Laser: $ 200 K • M&S: controls, power supplies and so on, $200x4 K • Total: Contingency: $600 K • Total $5220 K • Final cost maybe a little higher due to frequency of 2.6 GHz (nominal slac 2.856 GHz).

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