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Development of a 1m² Technological Prototype for High-Efficiency Detector Systems

This project focuses on creating a cutting-edge technological prototype featuring a 1m² detector system with advanced designs like 40 detector plans utilizing 20mm stainless steel absorbers and 6mm GRPC cassettes. Aiming to achieve near-optimal performance for the ILD HCAL, the prototype incorporates self-supporting mechanics and has minimized dead zones and thickness. Operational features include one-sided servicing and power-pulsed electronics, enabling efficient operation in high magnetic field environments. Construction is currently underway, with the mechanical structure set for completion by March 2011.

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Development of a 1m² Technological Prototype for High-Efficiency Detector Systems

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  1. Towards a Technological Prototype Technological prototype : 40 detector plans of 1m2 : 20mm stainless steel (absorber + cassette support) 6mm GRPC Cassettes. Electronic side Absorber plate Spacers Goal: Come as close as possible of the ILD HCAL  Self-supporting mechanics  Minimized dead zone  Minimized thickness  One-side services  Power pulsed electronics 1

  2. Granularity :1 cm2 9216 channels

  3. Detector+Electronics+Cassette are validated Construction has started Total thickness:11 mm 6mm(det+elec) +5mm (cassette)

  4. Trig_ext (Lemo1) 50 µs Enable Acq Enable PP Vth2 Power Off Power On Power-pulsing in a 3-Tesla magnetic field at H2 Consumption reduction of 100 with the ILC duty cycle (0.5 ms tous les 200 ms)  <10µW/ch Time dif. of 2 successive triggers 3-Tesla Efficiency: no effect of mgnetic field / 4% loss if trig-start >100µs/ no loss if trig-start>1 ms

  5. A specific tool for handling the plates has been designed and built Suction pad Security System 4 absorber plates assembled to test the procedure Special table to support the 6ton prototype The mechanical structure should be finished by march 2011 5

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