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Micromegas for SLHC

Micromegas for SLHC. A project to investigate the use and determine the working parameters of Micromegas for SLHC tracking – in conjunction with the ATLAS SLHC Micromegas chambers effort. Participating Institutions Saclay NSRC “Demokritos” Univ. of Athens Univ. of Thessaloniki

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Micromegas for SLHC

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  1. Micromegas for SLHC A project to investigate the use and determine the working parameters of Micromegas for SLHC tracking – in conjunction with the ATLAS SLHC Micromegas chambers effort Participating Institutions Saclay NSRC “Demokritos” Univ. of Athens Univ. of Thessaloniki National Technical Univ. of Athens

  2. X Y X Y X Y Telescope • Detector parameters • Design and construct 6 (X,Y) detectors to form a beam telescope • Design and construct several test detectors with different pitches (0.5, 1 and 2 mm) some with resistive layers • Use GASSIPLEX electronics and later a faster front-end system • Design Labview DAQ and later a faster system • Measurements • assessment of protection against sparks • improvement of spatial resolution • Gas mixture studies

  3. Cu+Kapton window o’ring pillars (gap 128 microns) cover frame (alu) drift mesh drift pillars resistive foil anode (pitch 2mm:48 strips or pitch:1mm,96 strips) screws (M4) PCB guard frame PCB: thickness 3.2mm 9 microns Cu+Ni/Au metal frame (alu) ground (Cu) 2 H.T connections (SHV) (mesh+drift) glue Connectors for gassiplex cards holes (fixation) Gas IN Gas OUT Strips (through PCB) Test beam prototype

  4. Status • X and Y Micromegas chamber design finished • 2 prototypes constructed • The mechanical frames of 8 more chambers have been constructed at Demokritos  under integration process at Saclay • Labview DAQ and Monitoring under development • Planning for initial tests in October 08 cancelled due to CERN recent decision. Next chance in Spring…

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