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A GEM-TPC in twin configuration for the Super-FRS tracking of heavy ions at FAIR

2018

The GEM-TPC [1] described herein will be part of the standard beam-diagnostics equipment of the Super-FRS [2] . This chamber will provide tracking information for particle identification at rates up to 1 MHz on an event-by-event basis. The key requirements of operation for these chambers are: close to 100% tracking efficiency under conditions of high counting rate, spatial resolution below 1 mm and a superb large dynamic range covering projectiles from Z=1 up to Z=92. The current prototype consists of two GEM-TPCs inside a single vessel, which are operating independently and have electrical drift fields in opposite directions. The twin configuration is done by flipping one of the GEM-TPCs o…

radioactive ion beamNuclear and High Energy PhysicsProtonfragment separatorPhysics::Instrumentation and Detectorssuper-FRSchemistry.chemical_elementTracking (particle physics)01 natural sciences7. Clean energyParticle identificationGSIXenonOptics0103 physical sciencesseurantaNuclear Experiment010306 general physicsInstrumentationImage resolutionPhysicsTime projection chamberta114010308 nuclear & particles physicsProjectilebusiness.industrytrackingfairtime projection chamberbeam adjustmentchemistrygas electron multiplierGas electron multiplierbusinessNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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