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Large CMS GEM with APV & SRS electronics

Large CMS GEM with APV & SRS electronics. Kondo GNANVO Florida Institute of Technology, Melbourne, FL. OUTLINE. Setup of the CMS GEM and MTS GEM with APV & SRS electronics The SRS DAQ software and Online Monitoring APV pedestals comparisons between CMS GEM and MTS GEM

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Large CMS GEM with APV & SRS electronics

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  1. Large CMS GEM with APV & SRS electronics Kondo GNANVO Florida Institute of Technology, Melbourne, FL

  2. OUTLINE • Setup of the CMS GEM and MTS GEM with APV & SRS electronics • The SRS DAQ software and Online Monitoring • APV pedestals comparisons between CMS GEM and MTS GEM • Preliminary data with cosmic ray muons with CMS GEM with APV & SRS electronics K. GNANVO, CMS MPGD Electronics - CERN

  3. CMS GEM with APVs • 4APVs paired in 2 master/slave configuration • 1 pair on sector 2 => 256 channels • 1 pair on sector 3 => 256 channels K. GNANVO, CMS MPGD Electronics - CERN

  4. Setup with CMS & MTS GEMs MTS GEM (COMPASS design) CMS GEM SRS electronics and HV supply DAQ & Monitoring PC with the network switch K. GNANVO, CMS MPGD Electronics - CERN

  5. DATE Framework with UDP equipment for the SRS Data Acquisition(Filippo Costa, ALICE DAQ) • DATE: ALICE DAQ software • Data Acquisition & Test Environment on Linux SLC5 • Many features available , user friendly GUI for run control environment, basic online monitoring of the raw data, electronic logbook. • Data transfer to the DATE PC through Gigabit Ethernet via UDP: • One Ethernet port on the FE card connected to another port on the DATE PC via a copper cable or optical fiber cable data, (1Gb/s to 10 Gb/s throughput) • Network switch to handles as many as the 8 UDP ports for MT application • “Slow Control” for the system configuration • C script for Initialization of the FEC, ADC boards, APV hybrids and the network configuration …, uploaded at the Start of Run of DATE K. GNANVO, CMS MPGD Electronics - CERN

  6. AMORE for monitoring and data analysis • AMORE is ALICE Data Quality Monitoring Software framework • Automatic MonitoRingEnvironment founded on ROOT & DATE Monitoring Library • Online monitoring and offline data analysis (pedestal subtraction, zero suppression, strip occupancy, spectrum …) • amoreMTS package developed for FIT Muon Tomography Station, suitable for any application using the SRS electronics with APV • Pedestal run, test characterization run & more specifically Muon Tomography run K. GNANVO, CMS MPGD Electronics - CERN

  7. Pedestal mean (offset) for CMS GEM Master APV 0 Slave APV 2 ADC count ADC count Strip number Strip number Master APV 3 Slave APV 4 ADC count ADC count K. GNANVO, CMS MPGD Electronics - CERN Strip number Strip number

  8. Pedestal RMS (noise) for CMS GEM Master APV 0: CMS sector 2 Slave APV 2: CMS sector 2 ADC count ADC count Strip number Strip number Master APV 3: CMS sector 3 Slave APV 4: CMS sector 3 ADC count ADC count K. GNANVO, CMS MPGD Electronics - CERN Strip number Strip number

  9. Baseline correction & pedestals • 1 step: computation of raw pedestal data to correct the baseline fluctuation • 2nd step: common mode offset calculated for each time frame for each event from raw pedestals Raw pedestal offset for APV no1 ADC count Pedestal noise for APV no1 Strip number ADC count Strip number K. GNANVO, CMS MPGD Electronics - CERN

  10. Noise level comparison between CMS GEM and MTS GEM APV 0: CMS sector 2 APV 2: CMS sector 3 ADC count ADC count Strip number Strip number APV 4: MTS top strips APV 6: MTS bottom strips ADC count ADC count K. GNANVO, CMS MPGD Electronics - CERN Strip number Strip number

  11. Cosmic ray muon event on CMS GEM CMS sector 3 CMS sector 2 K. GNANVO, CMS MPGD Electronics - CERN

  12. Same event on MTS GEM MTS bottom strip MTS top strips K. GNANVO, CMS MPGD Electronics - CERN

  13. Cluster size CMS sector 2 GEM top strips GEM bottom strips K. GNANVO, CMS MPGD Electronics - CERN

  14. Strip occupancy CMS sector 2 CMS sector 3 GEM top strips GEM bottom strips K. GNANVO, CMS MPGD Electronics - CERN

  15. Cluster charge distribution CMS sector 2 CMS sector 3 ADC count ADC count GEM top strips GEM bottom strips ADC count ADC count K. GNANVO, CMS MPGD Electronics - CERN

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