Space Simulation Toolkit

Space Simulation Toolkit

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Simulations for the beta-beam RFQ effort were provided to M.R.Alatur as part of the RFQ design phase. GEANT4 had to be modified to generate simulation photons, and it had to be modified further for use as a TPC in the beta-beam physics program. The RFQs cannot yet be compared as-is, since there is no medium-scale detector available for RFQ design. However, the results will allow the RFQ team to perform design trade studies to assess the possible outcomes of using different technologies in the RFQ. Experiences from the RFQs will help modify GEANT4 for future ILC detector projects.

“Because of the very reliable electromagnetic simulations, we use GEANT4 to simulate our photon signals and to explore how hadrons might sneak into the detector through cracks or through the bottom and try to look like photons,” says Richard Dubois of SLAC. “We require good EM simulation from a few MeV up to hundreds of GeV.”

“Since the desired precision and performance of the ILC detectors has to be much higher than in previous general purpose collider detectors,” Graf says, “we have adopted an approach which allows many detectors to be quickly simulated at a reasonable level. We would only proceed to very detailed designs once an overall optimum has been determined. We can also simulate subdetector prototypes, which are built as part of the detector R&D process. This allows a seamless integration of test beam results into the simulation process.” d2c66b5586