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This project conducted Mini-DHCAL tests at CERN to study the 1st and 2nd thresholds using pion beams at the SPS line. All triggers and events were recorded, with an MPV of ~45 fC. The results were analyzed in ADC counts, with details on HV, pads, and the analog readout (gassiplex) using the 1M2 GRPC project. The mechanical support included the first 1M2 GRPC with 1cm^2 granularity and 9216 channels. The µMEGAS with semi-digital readout was employed in this study.
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GRPC Mini-DHCAL test at CERN Mini-DHCAL EuDet telescope Semi-Digital readout PS-CERN (7th August-25th July 2008)
GRPC Mini-DHCAL test at CERN Blue: 1st threshold Red: 2d threshold Beam(pions)
H2 line at SPS-CERN (4th August-15th August 2008) all triggers MPV ~ 45 fC E Nb of Events E (ADC counts) x x HV Pad Y Y x x Y Y µMEGAS Mini-DHCAL test at CERN analogreadout (gassiplex)
DHCAL 1M2 GRPC project Mechanical support
First 1M2 GRPC with 1cm2 granularity 144X64 =9216 channels