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Milestones and Manpower

This summary outlines the milestones, manpower, and accomplishments of Curtis A. Meyer in the field of detector electronics, including the development of various systems and the manpower involved. The focus is on the GlueX experiment and the production and testing of electronics for experiments in Halls B & C.

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Milestones and Manpower

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  1. Milestones and Manpower Curtis A. Meyer Curtis A. Meyer

  2. Detector Electronics Photon Tagger System: Phototubes into ADCs and TDCs Start Counter – VLPC based on FNAL D0 design. Straw-tube Chamber – Preamplifiers into Flash ADCs Forward Drift Chambers – Preamplifiers into Flash ADCs (and TDCs) Cherenkov Counter: Phototubes into Flash ADCs Time-of-flight wall – Phototubes into TDCs Curtis A. Meyer

  3. Detector Electronics (cont) Barrel Calorimeter (Pb-SciFi) Phototubes into Flash ADCs (Hybrid PMTs) Forward Calorimeter (Pb-Glass) Phototubes with special bases into Flash ADCs. Backward Veto Wall (Fe-SciFi?) Phototubes into Flash ADCs (Hybrid PMTs) Curtis A. Meyer

  4. Total GlueX Manpower Faculty ~ 65 Jlab University Curtis A. Meyer

  5. for Electronics Present Manpower • P. Smith (IU 100% - FADC, C.W. bases) • F. Barbosa (Fast Electronics 30% - TDC, FE electronics) • Ed Jastrzembski (DAQ 80% - TDC) • David Abbott (DAQ 60% - TDC) • James Proffitt (Fast Electronics 30% - TDC) • Jeff Wilson (Fast Electronics 20% - TDC) • David Doughty and students (CNU 20% - Trigger) Curtis A. Meyer

  6. Accomplishments F1TDC – 32/64 Channel Prototype built. - Will be used in both Hall C and Hall B FADCs – 1 channel 8-bit, 250 MHz prototype built. Detailed Trigger and Rate Studies Carried out - High speed network tests into phase 2. Robotic Electronics Facility at IU installed last month and is starting to run. Curtis A. Meyer

  7. Front-end Accomplishments Cockroft Walton bases for Pb Glass PMT used in the RadPhi experiment. Studies of Hybrid PMTs for calorimeter underway. The progress here is directly coupled to the status of prototype detector work. Curtis A. Meyer

  8. Manpower and Tasks F1TDC FADCs Trigger Front-end Production and Testing Curtis A. Meyer

  9. (at JLab) Electronics Support Hired with construction funds. JLab GlueX Group JLab Staff -2 -1 0 1 2 3 4 Construction Curtis A. Meyer

  10. F1TDC Production for use in experiments in Halls B & C. Operation will provide feedback on the design Eventual design updates. TDC design – Effort will continue at roughly half the current level through the next phase. Curtis A. Meyer

  11. Flash ADCs Production of an 8-channel module. Testing of units with prototype detectors. Open issues in design based on the results with prototype detectors. - 8-bit , 10-bit , … resolution. - Clock speed needed. - Final density of packing FADC design – A similar effort as used for the entire TDC effort will be needed . Curtis A. Meyer

  12. Trigger Complete test/studies with the high-speed crate interconnects. The current technology is not fast enough, but the path is clear from 160MB/s -> 500MB/s S-Link64 64-bit version of current technology Integrate XILINX into cards and PowerPC into boards to achieve 800MB/s Trigger design – continued effort at current level with additional students Curtis A. Meyer

  13. Front-end Electronics Prototypes of both the straw-tube and planar drift chambers are currently being built. With these, we will be able to study front-end (preamps). We are currently working with Hybrid-PMTs for the barrel calorimeter. Start counter design calls for VLPCs based on D0 Design at FNAL. In contact with FNAL. Front-end design – DC pre-Amps, VLPCs, Hybrid PMTs, PMT voltage dividers. Depends on results of detector prototypes and amount of customization required Curtis A. Meyer

  14. Production and Testing Budgeted as part of construction Production and testing – supervision of temporary manpower to receive, test and install Curtis A. Meyer

  15. Summary To date, the collaboration has focused on electronics that are more generally applicable than the GlueX experiment. While we have accomplished a great deal, the effort has been limited by the lack of “CD0” for the upgrade project. We have a solid plan to move forward with all the electronics for the experiment. Curtis A. Meyer

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