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CBM RICH working group

CBM RICH working group. GSI, Germany Bergische Universität Wuppertal (BUW), Germany Hochschule Esslingen (HSE), Germany PNPI Gatchina, St. Petersburg, Russia Pusan Natl. University (PNU), Korea (IHEP Protvino, Russia). RICH working group. Timelines/ Milestones ( → IMoU ).

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CBM RICH working group

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  1. CBM RICH working group GSI, Germany Bergische Universität Wuppertal (BUW), Germany Hochschule Esslingen (HSE), Germany PNPI Gatchina, St. Petersburg, Russia Pusan Natl. University (PNU), Korea (IHEP Protvino, Russia)

  2. RICH working group

  3. Timelines/ Milestones (→ IMoU) • prototypes of subsystems (photodetector, mirror + support) – Spring/Summer 2010 • complete RICH prototype and tests in testbeam - Spring/Summer 2011 • RICH design simulations of limiting factors - end of 2010 • RICH engineering design - Autumn 2011 • TDR - End of 2011 • be able to apply for funding for detector building in 2012 • finish detector building until 2016 (?)

  4. Plans • Preparation of complete RICH prototype to be tested in electron/pion beam at GSI, CERN or elsewhere (Europe): • PMT plane of 3x3 or 4x4 H8500 with n-XYTER readout (electronics to be improved for an upgraded prototype) (Wuppertal, GSI) • mirror prototyopes from Compas (HS Esslingen) • mirror mount (PNPI Gatchina) • gas vessel, gas system (PNPI Gatchina) • design (GSI, PNPI Gatchina, Wuppertal) • RICH prototype at Pusan, Korea • test specifications for gas system (gas purity and controls, stability and control for temperature, pressure,…)

  5. Plans (II) • Further investigations in the lab: • characterization of possible PMT options (q.e., collection efficiency, uniformity, wls films, sensitivity to magnetic field (shielding?),…) • optimize readout electronics, specify requests for RICH suitable CBM-xyter chip • mirrors (thickness, mirror mount,…), adjustment and alignment system • controls • → please read carefully IMoU draft and send your comments! • → set up detailed list of tests/ measurements needed for final design/ decision on options/ design…. → enables us for a preparation of a TDR till the end of 2011 → test mechanical integration, working conditions of complete system, evaluate simulations,……

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