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FMD Detector Status Update for Calibration and Geometry at NBI

This update provides details on the status of the FMD detectors at the Niels Bohr Institute, including installation progress, hardware testing, calibration requirements, and geometry construction. Key tasks such as calibration procedures, DCS interaction, and planning for future tasks are discussed.

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FMD Detector Status Update for Calibration and Geometry at NBI

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  1. Offline status of the FMD Kristján Gulbrandsen Niels Bohr Institute Kristján Gulbrandsen, NBI

  2. HW Detector Status • FMD3 installed • fully HW tested • FMD2 installed • initially HW tested • Full testing with miniframe (~Nov.) • FMD1 not yet installed • Installation ~Feb. FMD1 FMD2 FMD3 C-side A-side Kristján Gulbrandsen, NBI

  3. Geometry • Geometry consists of TGeo objects • Geometry constructed by half-rings (for alignment) • FMD3 • All material described • FMD2 • Most material described • Some support structure missing • FMD1 • Support needs better description • Check of final positions necessary Kristján Gulbrandsen, NBI

  4. Calibration • 2 types of calibration necessary • Pedestals • Gains • Gains taken in standalone run • Procedure implemented on FE Firmware • Injects known charge into pre-amplifiers • Pedestals can be done 2 ways • Standalone run with no beam • In beam run with past-future protection Kristján Gulbrandsen, NBI

  5. DCS: Start Calib. run DCS FE-DB FEE CDB Calib. run PedestalFinder GainFinder LDC Calibration procedure • Pedestal and Gain Finders written for standalone runs • Ped. - normal run, no beam • Gain - special run • Not in Aliroot • Need info from DCS • Fx. Oversampling • Need DCM from CDB • Possibly send peds to FEE Kristján Gulbrandsen, NBI

  6. DAQ DA DA FEE DAQ Logbook DB DCS FE DB OCDB DAQ FXS DCS FXS Shuttle Direct Communication? DCS Shuttle • Fetch files from FXS(s) and put in OCDB • Interact with DAQ and DCS networks • Not clear how to get info from DCS FE DB • Procedure depends on new RCU Firmware Kristján Gulbrandsen, NBI

  7. Other Open Tasks • EVE Display • Stands as open task (because we didn’t do it) • Was this implemented by someone else? • Digit Quality Assurance • Don’t know what should be done here - need input • Survey Data Format • Only needed for FMD1 • Will be done early next year • HLT output • FMD has no HLT output Kristján Gulbrandsen, NBI

  8. Planning • Main goal is to prepare for dress rehearsal • Prioritize tasks based on this criterion • Automatic procedures get high priority • For offline shuttle is most important • Manpower • C. Holm must work on Ph.D. thesis until Jan. • Offline work hopefully to be done by current research assistant (prospective Ph.D. student) Kristján Gulbrandsen, NBI

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