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Micromegas panels

Micromegas panels. D. Attié, P. Colas, E. Delagnes, M. Dixit, A. Giganon, M. Riallot, F. Senée, Y-H Shin S. Turnbull, R. Yonamine (Carleton, KEK, Saclay). Micromegas Large Prototype panels Installation at DESY Software Preparing for beam tests.

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Micromegas panels

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  1. Micromegas panels D. Attié, P. Colas, E. Delagnes, M. Dixit, A. Giganon, M. Riallot, F. Senée, Y-H Shin S. Turnbull, R. Yonamine (Carleton, KEK, Saclay) Micromegas Large Prototype panels Installation at DESY Software Preparing for beam tests

  2. Panels: in 2008-2009: 1 panel at a time in the centre of the detector. Start with standard pads Continue (after a week November) with a resistive panel. Others are dummy. Also plans for trying a multichip InGrid+TimePix panel in 2009 One panel successfully mounted week 44 Micromegas panels

  3. Two panels ready and tested at DESY One with standard pads, one with resistive anode (Carbon-loaded kapton) Micromegas panels

  4. Two more panels under construction One with screen printing resistive anode One with deposited layer : first step in progress, small 12-14 cm anode to fit in the small oven, easier to operate. Then test in gas. If OK make a large surface PCB in the large oven. (N. Wyrsch, Neuchatel) Micromegas panels

  5. P5, standard anode P5, resistive anode Data taken at 50 and 100 MHz, with shaping times of 200ns, 400ns, 1 and 2 ms T2K gas, resistive anode Micromegas panels

  6. Now developing software and analysis (D. Attié, S. Turnbull, Yun-Ha Shin, with Martin Killenberg): LCIO converter, JTPC, Marlin Micromegas panels

  7. plans • Beam data taking was foreseen to start Monday Nov. 10 • (Paul, Marc, David, Yun-Ha, and Stephen here for this) • Gas ordered : 6 bottles T2K gas at 40 bars, gas test in progress. Bubbler available. • HV: work at 200 V/cm : 400 V on the ring at z=0, 12 kV at z=60cm • Reasons for delay: magnet not ready (one valve missing) and HV cable for the guard ring not ready. Maybe shortage of LHe for the magnet. • Mount cathode • Mount detector in the middle • flush with gas, check with cosmics • Start beam • - Excite magnet Micromegas panels

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