WebBased ILC MultiBunch Simulation Database

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Web-Based ILC Multi-Bunch Simulation Database
Glen White (SLAC / QMUL) ILC MDI Workshop SLAC,
Jan 8th 2005
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ILC mb Simulations

• In the real ILC- colliding bunches arent
  gaussian.
• Short-range wakes cause systematic bunch shape
  distortions, changing the beam-beam collision
  dynamics
• E.g. optimum collisions no longer occur at 0 y /
  0 y offsets.
• Also, first part of train has transitory
  behaviour due to luminosity optimisation
  procedure
• To accurately model the luminosity performance of
  the ILC, a simulation environment has been set up
  to track a multi-bunch beam from the start of the
  linac through to the IP. (See Fridays talk by
  P.Burrows). Simulation data is stored on a
  web-based database.

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