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RPC R&D Collaboration

RPC R&D Collaboration. PH-DT Topics of Interest Studies of gas systems performance and development of dedicated gas modules for new RPC gas mixtures Studies of new gas mixtures and system aspects (at GIF++)

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RPC R&D Collaboration

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  1. RPC R&D Collaboration • PH-DT Topics of Interest • Studies of gas systems performance and development of dedicated gas modules for new RPC gas mixtures • Studies of new gas mixtures and system aspects (at GIF++) • These activities integrate well within current R&D efforts and interests of the PH-DT Gas Service Project R. Guida CERN/PH-DT-DI

  2. Gas system service support • Expertise: design and construction of gas systems • Possibility to contribute to: • Mixers for R&D • Gas recirculation systems • Compatibility of new gases with gas systems materials/components • Gas mixture purification studies (GIF++, …) Gas systems R. Guida CERN/PH-DT-DI

  3. Mixer for R&D studies • Construction of mixers for R&D: • Use of clean components validated following procedures used for LHC gas systems • Easy to use, state of the art control systems • Possibility to perform checks/calibration of Bronkhorst flow-regulator at CERN Gas systems R. Guida CERN/PH-DT-DI

  4. Recirculation system for R&D • Two small gas systems (same principle of the real ones used at the LHC experiments) developed for testing the effects of gas recirculation: • Prototype used at GIF (2003) • New simplified version for lab R&D (2012-2014) Gas systems R. Guida CERN/PH-DT-DI

  5. Gas system operation with new gases • Test the compatibility of new freons/gases with components used for the construction of the present gas systems: • Pressure regulators, MFCs, joints, pump, flow-cells (distribution racks) • Verify basic functionalities: • Gas systems operation • Flow-read out • Purity of primary gas supply • Gas analysis devices • Safety/Enviromental requirements • Gas system operation with detectors: • Mixture stability • Pressure/flow regulation • Mixture distribution on large experimental apparatus • Mixture purification (O2, H2O and other impurities) New gases R. Guida CERN/PH-DT-DI

  6. Mixture purifications • Repeat the gas mixture purification study for new gases (like Freons) as performed at GIF in the past years: • List/identify the impurities created under high particle rates • Assign to each a danger factor according to the RPC performance • Optimize the mixture purification and operation at LHC New gases R. Guida CERN/PH-DT-DI

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