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Experience with SRS and APV Readout of Triple-GEM chambers For Muon Tomography

Experience with SRS and APV Readout of Triple-GEM chambers For Muon Tomography. Kondo GNANVO Florida Institute of Technology, Melbourne FL. OUTLINE. Development of AMORE software for online monitoring and data analysis of MT station

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Experience with SRS and APV Readout of Triple-GEM chambers For Muon Tomography

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  1. Experience with SRS and APV Readout of Triple-GEM chambers For Muon Tomography Kondo GNANVO Florida Institute of Technology, Melbourne FL

  2. OUTLINE • Development of AMORE software for online monitoring and data analysis of MT station • Preliminary cosmic data results from triple-GEM chambers with APV/SRS electronics • Plans for the next MT station prototype with full APV/SRS readout electronics • Conclusion K. Gnanvo - RD51 Mini Week, CERN January 2011

  3. First Test of the SRS Electronics with triple-GEMs For RD51 Coll. Meeting, Bari, Oct. 2010 ADC/FEC card in Euro crate Triple-GEM with 12 APV hybrids Plastic scintillator for trigger ALICE DATE for the DAQ AMORE for online monitoring K. Gnanvo - RD51 Mini Week, CERN January 2011

  4. Development of AMORE Software for Online Monitoring and Data analysis of MT Station • AMORE is ALICE Data Quality Monitoring Software framework • Automatic Monitoring Environment founded on ROOT & DATE Monitoring Library • It is based on Publisher/Subscriber paradigm with the detectors publishing their data in a monitoring pool and clients subscribing to the pool to collect data for online monitoring & offline data analysis. • Communication between publisher and clients through DIM a publish/subscribe system developed at CERN K. Gnanvo - RD51 Mini Week, CERN January 2011

  5. Development of AMORE Software for Online Monitoring and Data analysis of MT Station • First implementation of the software • used to produce the results for RD51 coll. Meeting in Bari October 2010. • Current version contains the following major improvements: • Pedestal data are now generated and saved in ROOT files • Full set of histograms could be generated • Online monitoring display is implemented and defined via configuration files. • Several Amore Agent to be created for specific tasks (to be done later) • GEMs testing and commissioning (pedestal data ….) • Online monitoring of the MT Station with real time targets imaging • Offline data analysis and saving into ROOT files K. Gnanvo - RD51 Mini Week, CERN January 2011

  6. Development of AMORE Software for Online Monitoring and Data analysis of MT Station Raw APV data APV hit and timing information pedestal subtraction Zero suppression 25 ns time resolution Pedestal data Offline data analysis Cluster charge distribution Charge sharing X/Y 2D hit Map K. Gnanvo - RD51 Mini Week, CERN January 2011

  7. Preliminary cosmic data results with triple GEM chambers with APV/SRS electronics Triple GEM with 12 APV hybrids • Five 30 cm x 30 cm triple-GEMs • Pedestal run 20K events • Cosmic data run (20K events) • 12 APV hybrids (5 hybrids v1 and 7 hybrids v2) • On X-strips: 5 v1 and 1 v2 • On Y-strips: 6 paired on a master/slave (M/S) configuration • The hybrids not grounded to the detector M: Master hybrid S: Slave hybrid Blue: hybrid v1 Red: hybrid v2 M S M 768 X-Strips M M M 768 Y-Strips M S M S M S K. Gnanvo - RD51 Mini Week, CERN January 2011

  8. Preliminary cosmic data results with triple GEM chambers with APV/SRS electronics Noise from on the 6 APV hybrids on X-strips (from pedestal run) Proto v1 ~10 ADC counts Proto v1 ~5 ADC counts Proto v1 `10 ADC counts ADC counts ADC counts ADC counts Strip number Strip number Strip number Proto v1 ~20 ADC counts Proto v1 ~20 ADC counts Proto v2 ~5 ADC counts ADC counts ADC counts ADC counts Strip number Strip number Strip number K. Gnanvo - RD51 Mini Week, CERN January 2011

  9. Preliminary cosmic data results with triple GEM chambers with APV/SRS electronics Noise from on the 6 APV hybrids on Y-strips (from pedestal run) Proto v2 5 ADC counts Proto v2 5 ADC counts Proto v2 5 ADC counts ADC counts ADC counts ADC counts Strip number Strip number Strip number Proto v2 5 ADC counts Proto v2 5 ADC counts Proto v2 5 ADC counts ADC counts ADC counts ADC counts Strip number Strip number Strip number K. Gnanvo - RD51 Mini Week, CERN January 2011

  10. Preliminary cosmic data results with triple GEM chambers with APV/SRS electronics GEM 1: Effect on the strip occupancy over 20K Events X-axis ADC counts Strip number Y-axis ADC counts Strip number K. Gnanvo - RD51 Mini Week, CERN January 2011

  11. Preliminary cosmic data results with triple GEM chambers with APV/SRS electronics GEM 1: Cluster charge distribution & 2D hit distribution X-Strips Y-Strips Mean cluster total charge ~25% less than for X strips Charge sharing X/Y Y-Strips 2D hit map Uniformity X-Strips K. Gnanvo - RD51 Mini Week, CERN January 2011

  12. Preliminary cosmic data results with triple GEM chambers with APV/SRS electronics GEM 1: Cluster size distribution X-Strips Y-Strips K. Gnanvo - RD51 Mini Week, CERN January 2011

  13. Preliminary cosmic data results with triple GEM chambers with APV/SRS electronics GEM 5: Low efficiency on the set of Y-strips readout APV/SRS electronics DATE/AMORE DAQ (Oct. 2010) Gassiplex electronics Labview DAQ (April 2010) K. Gnanvo - RD51 Mini Week, CERN January 2011

  14. Plans for the next MT station prototype with full APV/SRS readout electronics • Full MT Station • Cubic-foot size station (30 cm x 30 cm x 30 cm) • Total of 10 detectors (top and bottom + lateral station) • Mechanical stand with flexible geometry e.g. variable gaps between detectors • 120 APV v3 hybrids + SRS to read out more than 15 000 channels • DATE software for DAQ + AMORE for data monitoring & analysis Front-end cards GEM support (with cut-out) GEM detector active area Target plate HV board K. Gnanvo - RD51 Mini Week, CERN January 2011

  15. Plans for the next MT station prototype with full APV/SRS readout electronics • AMORE software development for the MT station • We plan to integrate POCA reconstruction into the AMORE package • Online and real time target reconstruction during the data acquisition • Extend the data analysis code development • Create task specific AMORE agent K. Gnanvo - RD51 Mini Week, CERN January 2011

  16. Conclusion • Where we are now: • AMORE package developed for APV/SRS system for online monitoring display and data analysis • Preliminary results from the analysis of cosmic data run with 5 FIT triple-GEMs equipped with APV readout and SRS electronics • More detailed studies required to understand issues with APV hybrid v2 pedestal noises • Where we want to be in the next few months: • Tests of APV v3 hybrids, new generation of FEC/ADC cards. • Set up the cubic-foot MT station with 10 GEM chambers with APV/SRS electronics • Back to DATE software for the SRS DAQ system • Develop a more robust data analysis and MT reconstruction code based on AMORE K. Gnanvo - RD51 Mini Week, CERN January 2011

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