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Time Projection Chambers (TPC) with Gas Electron Multipliers (GEM)
New instruments using recent advances in technology and gas physics are being studied for proposed upgrades of PHENIX and STAR experiments. The encouraging results from research and development that have been performed with GEM have led to its choice as the electron multiplication stage in micro-TPCs under development for two separate projects, one with the RHIC upgrade effort, and one with the LEGS experiment at NSLS.
The LEGS TPC is expected to be completed in 2004. It is likely to be the first GEM based TPC for an experiment. The key specifications are:
The schematic view of the LEGS TPC is shown below:
Last Modified: Wednesday, 06-Feb-2013 22:33:56 EST