|
|
| Line 59: |
Line 59: |
| | ** pulse LED linearity testing system | | ** pulse LED linearity testing system |
| | ** Relays between counting and integrating mode | | ** Relays between counting and integrating mode |
| | + | * PREX test configuration design/installation (Dustin) |
| | |- | | |- |
| | ! Moller polarimeter | | ! Moller polarimeter |
| | | Dustin | | | Dustin |
| − | | Dustin, Luis and Sasha become experts at running the Moller polarimeter | + | | |
| | + | * Dustin, Luis and Sasha become experts at running the Moller polarimeter |
| | + | * New [http://hallaweb.jlab.org/parity/prex/mollfadc.pdf Custom-FADC DAQ] |
| | + | ** Spilt signals between old and new DAQs |
| | + | ** pre-stage FADC DAQ work |
| | + | ** implement parallel DAQ in Fall '09, possibly main DAQ for PREX (Brad, Eugene, Bob) |
| | |- | | |- |
| | ! Compton polarimeter | | ! Compton polarimeter |
| Line 87: |
Line 93: |
| | * Run 8 more cables from HAPPEx DAQ to source table (Mark,Riad) | | * Run 8 more cables from HAPPEx DAQ to source table (Mark,Riad) |
| | ** Kent emailed Riad the requirements for cabling and asked for 2 shifts during the week of July 27, and two shifts in the period Aug 5-8. | | ** Kent emailed Riad the requirements for cabling and asked for 2 shifts during the week of July 27, and two shifts in the period Aug 5-8. |
| − | * coordinate high-rate flip test | + | * coordinate high-rate flip test (ATLIS) |
| − | * coordinate low-current running | + | * coordinate low-current running (ATLIS) |
| − | * coordinate spin dance for polarization optimization | + | * coordinate spin dance for polarization optimization (ATLIS?) |
| | |- | | |- |
| | ! Modulation | | ! Modulation |
| Line 115: |
Line 121: |
| | | | | | |
| | | | | | |
| | + | * ALIST for watercell removal procedure (Dustin) |
| | + | * commissioning plan / schedule (Kent) |
| | * COO, RSAD, TSOP must be produced. Shift workers must be asked to read and sign before shift. (Kent) | | * COO, RSAD, TSOP must be produced. Shift workers must be asked to read and sign before shift. (Kent) |
| | * Target training must be organised and advertised. Contact Dave Meekins and JP. (Dustin) | | * Target training must be organised and advertised. Contact Dave Meekins and JP. (Dustin) |
HAPPEx III Work List
| What |
Postdoc |
Description
|
| DAQ
|
Dustin
|
- AutoDB configuration
- Recover GreenMonster
- Make list of epics words for DAQ ()
- Sync monitor between crates (Luis)
- Pedestal noise
- Pickup tests
- BMW scripts (Kent)
- Hall C BCM signal
- New PITA QASY (high-speed) feedback script
- Test new helicity board
- New config file mechanism (Bob?)
- Test injector crate
- Implement/test LHRS crate (Bob)
- High-rate DAQ system tests
- ET system test at 240 Hz
|
| Analysis chain
|
Mark
|
- Decode Qweak ROC structure in PAN (Rupesh/Kent)
- Run analysis on HAPPEx II data (Mark)
- QWeak ADC -> PAN (Rupesh)
- Multiplet (Mark to contact Richard)
- Multiplet mode in PAN (fall,Richard)
- Multiplet mode in POSTPAN, Regression (fall)
- Multiplet mode in dithering (spring)
- Dithering analysis for PREX system
- 240 Hz speed/efficiency (Rich)
|
| Detector prep
|
Dustin
|
Cosmics Checkout, PMT linearity tests, LED system, Mounting hardware and angles
- PMT DC linearity (Luis)
- New (Bogdan) Burle PMT
- Photonics PMT
- New/Old base
- Test for He poisoning (strong baseline current and look for double pulsing)
- Calculate light yield from HAPPEx III detector (KK/Wexler) [DONE]
- Online LED pulse linearity hardware (Kent)
- LED mounting (Rupesh)
- Studies once hardware is available (Rupesh)
- Attenuation study (Rupesh, Dustin)
- Locate/Test/Update mounting hardware (Rupesh/Kent)
- Determine installation spec: angles and position (Dustin)
- Installation plan, test installation??
- Test detector pedestal noise (Rupesh)
- Lumi
- Check running for lumi health
- Identify spare tubes
- Test pedestals
- Electronics
- pulse LED linearity testing system
- Relays between counting and integrating mode
- PREX test configuration design/installation (Dustin)
|
| Moller polarimeter
|
Dustin
|
- Dustin, Luis and Sasha become experts at running the Moller polarimeter
- New Custom-FADC DAQ
- Spilt signals between old and new DAQs
- pre-stage FADC DAQ work
- implement parallel DAQ in Fall '09, possibly main DAQ for PREX (Brad, Eugene, Bob)
|
| Compton polarimeter
|
Mark
|
- Electron detector (Alex, Bob)
- repair edet planes
- complete tests
- reinstall
- Increase IR cavity power (Mark)
- Understand transfer function
- Find script that runs 1/4 wave plate scan
- Shine green laser through cavity
- High-rate helicity flip tests (Alex, Bob)
- integrate electron DAQ and FADC (Gregg, Bob?)
- Photon Detector
- install positioning scints (Brian Q.)
- install new tube/base with linearity test (Megan)
- LED studies of PMT linearity (Megan)
|
| Accelerator dev/liason
|
Mark and Dustin
|
- Run 8 more cables from HAPPEx DAQ to source table (Mark,Riad)
- Kent emailed Riad the requirements for cabling and asked for 2 shifts during the week of July 27, and two shifts in the period Aug 5-8.
- coordinate high-rate flip test (ATLIS)
- coordinate low-current running (ATLIS)
- coordinate spin dance for polarization optimization (ATLIS?)
|
| Modulation
|
|
- Revive BMW scripts
- Test BMW system
- Add new magnets to arc
- Revive Hall B,C and compton signals
- Design PREX modulation system
- Modulation "spec" document (Kent)
|
| Installation planning
|
|
- When is the detector going in?
- What tools are needed?
- Give Ed a list of surveys that are required
|
| Commissioning planning
|
|
|
| Documentation and administration
|
|
- ALIST for watercell removal procedure (Dustin)
- commissioning plan / schedule (Kent)
- COO, RSAD, TSOP must be produced. Shift workers must be asked to read and sign before shift. (Kent)
- Target training must be organised and advertised. Contact Dave Meekins and JP. (Dustin)
- Shift schedule and signup sheet (Mark)
- Run coordinator signup (Xiaochao)
- WAC signup (Mark)
- Online documentation for shift workers
- Manpower schedule (Mark)
- Contact list update (Mark)
|
| PREX
|
|
- Radiation issues for PREX
- Possible Shielding? Thermalized neutron estimates to be done with RSAD (Pavel)
- PREX collimators and Sieve
- Finalize the design
- Manufacture
- Septum
- Manufacturing
- Testing in testlab (Fall 2009)
- Build PREX target ladder
- GEM detectors
- Needed for high-rate <math>Q^2</math> during PREX (Nilanga, Kent, KK)
- Needs design of frontend electronics and DAQ (Nilanga, Kent, KK, Bob)
|
