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G0 Analysis Task List Last update : 05/21/04
Authors : P. King, J. Roche, D. Spayde.

This is list as not been prioritarized. For priorities, please refer to Goals.

  1. Background analysis---Dilution factor and asymmetries
    1. Dilution factor, from simulation and experiment
      1. Time dependence
      2. Octant dependence
      3. Error bars
    2. Leakage
      1. Rates and asymmetries
      2. Update EPICS tables with appropriate injector and other hall variables
    3. Inelastic region asymmetry
      1. Interpretation of large asymmetries in inelastic region
        1. Physics processes
        2. False asymmetry (deadtime?)
          1. Current variation
          2. Threshold variation
    4. Inelastic contribution to elastic asymmetry
      1. Extrapolation in one detector
      2. Interpolation between detectors
      3. Simulation
    5. Separation of LH2 and Aluminum contributions
    6. Transverse asymmetry contributions
  2. Beam analysis
    1. Polarimetry
      1. One value or multiple values per ACC configuration
      2. Errors
    2. YO
      1. Slow time shifts (PID cut regions)
      2. Helicity correlated differences
      3. Sensitivities to current and position, etc.
    3. Beam trip cut
      1. Half of the replay was done with 70 s
      2. Is 20 s the best value?
      3. Do we need different cuts for different periods?  Did the ramp rate change?
    4. Energy determination
      1. Improved algorithm for relative measurements
      2. Tabulation of absolute measurements
    5. IOCSE20
      1. Flatline cut
      2. Effect of reboots on beam data
    6. Cavity monitor data
    7. Cross-check of BCM/BPM calibration params
    8. Parity cuts
      1. How many sigma?
      2. Time frame (run-by-run, day-by-day)?
      3. Cut extends from zero or from spec?
    9. Non-parity cuts
      1. Beam position
      1. Current
      2. Energy
    10. Halo monitors
      1. Yields
      2. Asymmetries
      3. Effect on FPD data
      4. Event cut
      5. Run cut
    11. Luminosity monitors
      1. Stability
      2. Asymmetries
      3. Use as a normalization
      4. Linear regression
    12. Alternate helicity analysis
      1. Dummy Pockels cell
      2. Prompt
    13. 120 Hz Analysis
  3. FPD analysis
    1. FrAm analysis
      1. Code Required
        1. Deadtime
        2. DNL
        3. PID cuts
        4. Asymmetries
        5. Database
        6. Yields
        7. Regression
      2. Analysis
        1. Comparison with NA data
    2. DNL
      1. NA
        1. Green blocks
        2. Monitor channels
        3. WNFM data
      2. FR
        1. Green blocks
    3. Deadtime
      1. Check calibration over experiment
      2. Check/Improve correction on other PID
        1. Pions
        2. Inelastics
        3. Cut 0
      3. Check other running modes
        1. Frame data
        2. Empty target data
        3. High threshold data
      4. Certification
    4. Linear regression
      1. Add to other PID cuts
      2. What is effect
      3. Coil pulsing or NBM
      4. Stability
    5. Rate stability
      1. Over experiment
      2. Within run
      3. 10 sigma cut
    6. Spike analysis
    7. PID cuts
      1. Additional cuts in database
      2. Definition of proton cut (+/- 2 sigma, +/- 4 ns, ?)
      3. Verify
    8. 120 Hz yield variation
    9. Study of alternative electronic configurations (interchanged NA octants)
    10. Fastbus analysis (over entire experiment)
      1. Gain variation
      2. Efficiency variation
      3. Timing resolution
  4. Other event-based analysis
    1. GMS
  5. Other run-based analysis
    1. Decide on definition of good_for and data_quality
    2. Verify good_for
    3. Verify data_quality
    4. Re-implement detector badness field
    5. Check slow controls fields in DB
      1. SMS current
      2. Target position
  6. Physics analysis
    1. Radiative corrections
    2. Systematic errors
      1. Difference between FR and NA results
    3. Q2 determination
    4. Standard model calculation