Moller Polarimeter/Qweak

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General Information

This is the spot for all things moller polarimetry. Information on how to take moller measurements, spin dance and polarimetry results, and system specs will eventually be put here. This page is currently under construction, and will be updated frequently in the upcoming weeks.

Preliminary results

Measurements for Run 2

Moller run2 jan182012.png


Measurements for 2011 (Run 1)

Data points can be found in /group/qweak/gaskelld/kumac/qweak_by_day_2011.dat

Qweak pol 2011 may13.png

Last updated May 13, 2011

Measurements for 2010 (Run 1)

Note: Measurement on "Day 39" low due to likely hardware issue.

Qweak pol 2010.png

Moller info for Qweak

  1. The Qweak Moller "how to" is officially up and ready for viewing. (version 1, updated jan. 26, 2011): Qweak Moller "How-To"
  2. The following is a plot showing good tune of the apparatus. It was taken from run 700, hallc:p ~ 1159 MeV, with a 1um target. (Jan. 30, 2011)

Moller plot jan30 2011.png

Moller measurement summaries (Run II)

This is the "Cliff notes section on Moller polarimetry runs during the 2nd half of Qweak running.

Jan 12, 2012 Spin-dance. Results don't agree with Grames' prediction, and different optimal Hwein for flip left/right. Go to Vwein=90. hclog
Dec 18, 2011 Regular measurement, had energy lock off for 1 run. IHWP: in, out, in. hclog
Dec 14, 2011 Short collimator scan, did both 1 and 2 uA, did IHWP: in, out, in. hclog
Dec 7, 2011 Moller super-spin dance: 7 wein angles, all with flip left/right settings. hclog summary grames' notes
Nov 30, 2011 Quad current study, collimator scan, and gain matched calorimeters/HV. Also made a full measurement. hclog1 tune results dave's comments

Table of good Moller runs (Run II)

This will be a log of all "good" Moller runs; ie, our "production" runs. It will include some detailed notes when necessary. Full lists of runs, such as those below for Run I, can be provided upon request. Sometimes there is a short delay before this is updated. if you'd like to see a full up-to-date runlist, contact Josh Magee (magee@jlab.org).

Date      Run 	  Polarization (%)    IHWP    Notes
11/30/11  1264    tune check          IN      quad current scan, collimator scan
          1266    87.72               IN      
          1267    88.09               IN      
          1268    88.26               IN      
          1269   -87.98               OUT     
          1270   -88.80               OUT     
          1271   -88.29               OUT     
12/14/11  1341   tune check
          1342    87.95               OUT
          1343    88.39               OUT     beam trip
          1344    87.62               OUT     
          1345    89.08               OUT     
          1346    87.74               OUT
          1347   -87.24               IN      
          1348   -88.14               IN      
          1350   -87.22               IN      
          1351   tune check     
          1355   -87.94               IN      2 uA
          1356   -87.19               IN      2 uA
12/18/11  1360   -87.57               IN      
          1361   leakage
          1362   -86.59               IN      not very stable beam
          1363   -86.93               IN      
          1364   -88.36               IN      re-steered
          1365    88.37               OUT     not super stable
          1366    89.17               OUT     re-steered after this run
          1367    88.78               OUT     re-steered before this run
          1368    88.45               OUT     
          1369    tune check
          1370   -89.37               IN      Junk? beam position moved a lot
          1371   -88.13               IN      beam pos off, energy 1 MeV high
          1372   -88.35               IN      used in average
          1373   -86.99               IN      used in average
          1374   -88.23               IN      used in average

Moller measurement summaries (Run I)

This will be a sort of "Cliff Notes"section, that will summarize each test and link to the hclog and elog entries.

May 12, 2011 Final measurement before 6 month down. hclog
May 9, 2011 Normal measurement, ~86-87%. hclog quad3 fields
May 8, 2011 BCM calibration only (no measurement). hclog
May 6, 2011 Systematic studies - beam position on target. hclog quad3 fields
May 4, 2011 Standard measurement - major problems with missing helicity gates, tune problems. Quad issues. hclog results hclog quad problems elog
May 2, 2011 Measurement had low rates (~11kHz), and collimators IOC died and needed re-booting. hclog
Apr. 29, 2011 Measurement included a spot change. hclog
Apr. 27, 2011 Normal measurement, a few beam trips. Leakage check. hclog
Apr. 25, 2011 Hall A boiling studies. Many missed helicity gates. hclog elog
Apr. 22, 2011 Beam position on target moved after IWHP to OUT changed. Most of that IHWP setting is suspect. hclog elog
Apr. 15, 2011 Slit studies and regular measurement. hc-log summary hc-log plots e-log summary
Apr. 13, 2011 Slit studies and regular measurement. The quad tuning was painful - mcc re-cycled the quads 3-4x. hclog-results hclog-slit test e-log summary
Apr. 11, 2011 Regular measurement - polarization increased from the 11th, but not quite noraml. (~86%) hclog e-log summary
Apr. 8, 2011 Changed MPS to 100us. Polarization abnormally low. (~85%) The MPS change appeared to not be the cause. hclog elog
Apr. 6, 2011 Regular measurement. Measurement 1% better than from same spot on the 4th. hclog elog
Apr. 4, 2011 Shifted beam left by 0.5mm to see effect of polarization. hclog elog
Mar. 31, 2011 Study of charge asymmetry on polarization. Used "old" method of just changing the PITA voltages. Some difference, but inconclusive. hclog elog
Mar. 18, 2011 Study of charge asymmetry effect on polarization. hclog
Feb. 24, 2011 Regular measurement. Noticed bug in "calc_bpol_byquartet". hclog elog
Feb. 22, 2011 Final run disrupted by cryo events. hclog elog
Feb. 19, 2011 Results outside of statistical error. Tune and rates a little odd at first. After cycling Q3 again, rate=17 kHz/uA. hclog
Feb. 10, 2011 Spin dance. Position of 3c12 visibly wandered. hclog summary hclog pol. measurement elog
Feb. 8, 2011 Measurement of vertical polarization (spin rotator off) ~-0.60. hclog
Feb. 7, 2011 Checked HV - looked good, and then measurement. Several beam trips. hclog elog
Feb. 4, 2011 Measurement, good beam. hclog summary (no plots) elog (with plots)
Jan. 30, 2011 Checked HV, rates, and re-did a collimator scan. hclog hclog plots elog (also with plots) collimator scan (with spreadsheet)
Jan. 21, 2011 Straightforward measurement. Good backgrounds. hclog
Dec. 14, 2010 Background studies. Tweaked HV, looked at collimator 5. hclog
Dec. 10,2010 Verified timing for the main coincidences and accidentals. hclog
Dec. 9, 2010 Scaler coincidence and accidental measurements elog
Dec. 6, 2010

Dec. 4, 2010 Moller solenoid field scan for foil misalignment. Solenoid field at 3.75 self inconsistent. hclog elog
Nov. 23, 2010 Spin dance. hclog summary elog (duplicate)
Nov. 14, 2010 Commissioning! Gain matched calorimeters and scintillator HV. Optimized quad tunes, some collimator studies, and made some measurements. hclog

Also: an hclog note on moller backgrounds sensitive to beam position near raster. (Dec. 4, 2010)

Table of good Moller runs (Run I)

The following are runs made from straightforward moller measurement runs, not spin dances. Note, missing data can/will be added over time. The Nov. 14, 2010 commissioning run is NOT included. (we were messing with camac pre-scales, et cetera.)

Date      Run 	  Polarization (%)  HW Plate  Wien (deg.)   HALLC:p(MeV)   QE(%)   Foil (um)  Current (uA)  Comments
1/21/11   686     -90.46 +/- 0.52   0 (IN)                  1159.82        0.32    1          1 
          687     -91.36 +/- 0.69   0 (IN)                  1159.82        0.32    1          1.5
          688     -90.60 +/- 0.67   0 (IN)                  1159.82        0.32    1          2.0
          689     -91.64 +/- 0.99   0 (IN)                  1159.82        0.32    1          1.5
          691     -91.28 +/- 1.43   0 (IN)                  1159.82        0.32    1          0.5
1/30/11   702     -90.07 +- 0.63	                    1159.76        0.6899  1          0.8           New HV L 1510V, R 1535V 
          703     -88.75 +- 1.31	                    1159.76        0.6899  1          0.8           New HV L 1510V, R 1535V  
          704     -90.48 +- 0.71                            1159.76        0.6899  1          0.8           New HV L 1510V, R 1535V 
          705     -89.84 +- 1.15                            1159.76        0.6899  1          0.8           Old HV L 1480V, R 1520V tripped at end
          706     -89.31 +- 1.09                            1159.76        0.6899  1          0.8           Old HV L 1480V, R 1520V tripped at end
          708     -89.37 +- 0.78                            1159.76        0.6899  1          0.8           Old HV L 1480V, R 1520V 
          709     -89.92 +- 1.50                            1159.76        0.6899  1          0.8           HV L 1530V, R 1555V
          710     -88.15 +- 0.72                            1159.76        0.6899  1          0.8           HV L 1610V, R 1655V
          711     -89.77 +- 0.72	                    1159.76        0.6899  1          0.8           HV L 1610V, R 1655V
          712     -88.08 +- 0.72	                    1159.76        0.6899  1          0.8           HV L 1610V, R 1655V
2/4/11    721     -88.37 +- 0.70    0 (IN)                  1159.76        0.637   1          0.96
          722     -88.94 +- 0.73    0 (IN)                  1159.76        0.637   1          0.96
          723     -89.14 +- 0.73    0 (IN)                  1159.76        0.637   1          0.96
          724      89.20 +- 0.70    1 (OUT)                 1159.76        0.637   1          0.96
          725      89.06 +- 0.73    1 (OUT)                 1159.76        0.637   1          0.96
          726      88.97 +- 0.73    1 (OUT)                 1159.76        0.637   1          0.96
2/7/11    737      89.09 +- 0.70    1 (OUT)                 1159.6         0.4192  1          1
          738      88.28 +- 0.73    1 (OUT)                 1159.6         0.4192  1          1
          739      88.81 +- 0.67    1 (OUT)                 1159.6         0.4192  1          1
          740     -86.99 +- 0.68    0 (IN)                  1159.6         0.4192  1          1
          741     -87.31 +-  0.7    0 (IN)                  1159.6         0.4192  1          1
          742     -88.52 +- 0.73    0 (IN)                  1159.6         0.4192  1          1             beam tripped
          743     -87.52 +- 0.73    0 (IN)                  1159.6         0.4192  1          1
2/8/11    747      88.46 +- 0.73    1 (OUT)                                        1                        charge asymmetry -128 ppm
          748      89.49 +- 0.73    1 (OUT)                                        1                        charge asymmetry -153 ppm
          749      87.47 +- 0.74    1 (OUT)                                        1                        charge asymmetry  94 ppm
          750      88.39 +- 0.73    1 (OUT)                                        1                        charge asymmetry -195 ppm
          751     -87.63 +- 0.65    0 (IN)                                         1                        charge asymmetry  1305 ppm
          752     -87.99 +- 0.81    0 (IN)                                         1                        charge asymmetry -1734 ppm
          753     -88.57 +- 0.69    0 (IN)                                         1                        charge asymmetry -300 ppm
          754     -88.10 +- 0.72    0 (IN)                                         1                        charge asymmetry -257 ppm
          755     -87.63 +- 1.12    0 (IN)                                         1                        charge asymmetry -234 ppm
2/10/11   791     -89.00 +- 0.73    1 (OUT)   -62.40        1159.60        0.2868  1                        3c12 stable
          792     -89.76 +- 0.82    1 (OUT)   -62.40        1159.60        0.2868  1                        3c12 stable
          793     -88.66 +- 0.73    1 (OUT)   -62.40        1159.60        0.2868  1                        3c12 stable   
          794      88.92 +- 0.73    0 (IN)    -62.40        1159.60        0.2868  1                        large A_Q  
          795      90.77 +- 2.54    0 (IN)    -62.40        1159.60        0.2868  1                        large A_Q
          796      88.82 +- 0.73    0 (IN)    -62.40        1159.60        0.2868  1      
          797      87.87 +- 0.73    0 (IN)    -62.40        1159.60        0.2868  1 
          798      89.93 +- 0.73    0 (IN)    -62.40        1159.60        0.2868  1 
2/14/11   803     -87/52 +- 0.69    1 (OUT)   -62.39        1159.61        0.1527  1 
          804     -89.58 +- 0.72    1 (OUT)   -62.39        1159.61        0.1527  1 
          805     -89.74 +- 0.77    1 (OUT)   -62.39        1159.61        0.1527  1                        beam trip
          806     -89.15 +- 0.72    1 (OUT)   -62.39        1159.61        0.1527  1 
          815      89.66 +- 0.73    0 (IN)    -62.39        1159.61        0.1527  1 
          816      88.94 +- 0.67    0 (IN)    -62.39        1159.61        0.1527  1 
          817      89.00 +- 0.70    0 (IN)    -62.39        1159.61        0.1527  1 
2/19/11   826     -89.24 +- 0.72    1 (OUT)   -62.39        1159.62                1                        tune funny prior to this run, recylced quads
          827     -88.76 +- 0.73    1 (OUT)   -62.39        1159.62                1 
          828     -88.78 +- 0.71    1 (OUT)   -62.39        1159.62                1 
          830      90.73 +- 1.40    0 (IN)    -62.39        1159.62                1                        large charge asymmetry  
          831      88.64 +- 0.99    0 (IN)    -62.39        1159.62                1 
          832      89.87 +- 0.72    0 (IN)    -62.39        1159.62                1 
          834      89.28 +- 0.72    0 (IN)    -62.39        1159.62                1 
          835      91.91 +- 0.69    0 (IN)    -62.39        1159.62                1 
          836      89.75 +- 1.35    0 (IN)    -62.39        1159.62                1 
2/22/11   842     -89.44 +- 0.73    1 (OUT)   -62.39        1159.73        0.3480  1                        Prescales at infinity and Q3=131A
          843     -89.61 +- 0.71    1 (OUT)   -62.39        1159.73        0.3480  1                        
          844     -89.24 +- 0.71    1 (OUT)   -62.39        1159.73        0.3480  1                        
          845     -88.92 +- 0.73    1 (OUT)   -62.39        1159.73        0.3480  1                        
          847      89.93 +- 0.73    0 (IN)    -62.39        1159.73        0.3480  1                        
          848      88.58 +- 0.73    0 (IN)    -62.39        1159.73        0.3480  1                        Moller ended early due to 2K cold box trip
2/24/11   868      87.99 +- 0.72    1 (OUT)   -62.39        1159.6         0.2545  1          0.8           slit controlled (25.7)
          869      87.94 +- 0.79    1 (OUT)   -62.39        1159.6         0.2545  1          0.8           ~4e6e events, slit controlled (25.7)
          870      88.62 +- 0.72    1 (OUT)   -62.39        1159.6         0.2545  1          0.8           slit controlled 
          871     -89.47 +- 0.73    0 (IN)    -62.39        1159.6         0.2545  1          0.8           slit controlled 
          872     -88.27 +- 0.96    0 (IN)    -62.39        1159.6         0.2545  1          0.8           ~2.9e6 events, slit controlled (25.7)
          873     -90.62 +- 0.83    0 (IN)    -62.39        1159.6         0.2545  1          0.8           ~3.9e6 events, slit controlled (25.7)
          874     -89.42 +- 0.74    0 (IN)    -62.39        1159.6         0.2545  1          0.8           ~4.8e6 events, slit controlled (25.7)
3/18/11   878     -89.42 +- 0.71    0 (IN)    -62.39        1159.63                1          1.0           slit wide open
          879     -90.00 +- 0.71    0 (IN)    -62.39        1159.63                1          1.0           slit wide open
          880     -89.40 +- 0.69    0 (IN)    -62.39        1159.63                1          1.0           slit wide open
          881     -90.94 +- 1.46    0 (IN)    -62.39        1159.63                1          1.0           slit wide open
          882      89.48 +- 0.66    1 (OUT)   -62.39        1159.63                1          1.0           A_Q ~ 600 ppm, slit wide open
          883      89.46 +- 0.68    1 (OUT)   -62.39        1159.63                1          1.0           A_Q ~ 600 ppm, slit wide open
          884      89.05 +- 0.71    1 (OUT)   -62.39        1159.63                1          1.0           A_Q ~ 600 ppm, slit wide open
          886      90.52 +- 0.60    1 (OUT)   -62.39        1159.63                1          1.0           slit wide open
          887      89.93 +- 0.67    1 (OUT)   -62.39        1159.63                1          1.0           slit wide open
          888      89.76 +- 0.69    1 (OUT)   -62.39        1159.63                1          1.0           slit wide open
3/31/11   892      90.28 +- 0.61    1 (OUT)   -62.39        1159.57                1          1.0           Beam on target off. Adjusted after run. Aq ~ 100ppm, slit wide open
          893	   88.87 +- 0.73    1 (OUT)   -62.39        1159.57                1          1.0    	    Aq ~ 100ppm, slit wide open
          894	   90.41 +- 0.71    1 (OUT)   -62.39        1159.57                1          1.0    	    Aq ~ 100ppm	, slit wide open
          895	   88.31 +- 0.73    1 (OUT)   -62.39        1159.57                1          1.0    	    Aq ~ 100ppm, slit wide open
          896	   89.01 +- 0.73    1 (OUT)   -62.39        1159.57                1          1.0           Aq ~ 100ppm, slit wide open
          897	  -88.94 +- 0.74    0 (IN)    -62.39        1159.57                1          1.0           No changes - PC or RHWP Aq ~  -800ppm, slit wide open
          898	  -88.55 +- 0.74    0 (IN)    -62.39        1159.57                1          1.0           No changes - PC or RHWP Aq ~  -800ppm, slit wide open
          899	  -89.37 +- 0.72    0 (IN)    -62.39        1159.57                1          1.0           No changes - PC or RHWP Aq ~  -800ppm, slit wide open
          901	  -87.79 +- 0.70    0 (IN)    -62.39        1159.57                1          1.0           No changes - PC or RHWP Aq ~  -800ppm, slit wide open
          904	  -88.44 +- 1.67    0 (IN)    -62.39        1159.57                1          1.0           Aq~1000ppm. PC [+] 42990, PC [-] 41210, slit wide open
          905	  -87.43 +- 1.07    0 (IN)    -62.39        1159.57                1          1.0           Aq~-700ppm. PC [+] 43388, PC [-] 40811, slit wide open
          906	  -89.86 +- 0.73    0 (IN)    -62.39        1159.57                1          1.0           Aq~-300ppm. PC [+] 43588, PC [-] 40611, slit wide open
          907	  -89.79 +- 0.74    0 (IN)    -62.39        1159.57                1          1.0           Aq~-300ppm, slit wide open
          908	  -88.39 +- 0.74    0 (IN)    -62.39        1159.57                1          1.0           Aq~-300ppm, slit wide open
          909	  -89.76 +- 0.74    0 (IN)    -62.39        1159.57                1          1.0           Aq~-300ppm, slit wide open
4/4/11    914     -88.32 +- 0.73    0 (IN)    -62.39        1159.55        0.5188  1          1.0           Aq ~ 11 ppm, slit wide open
          915     -88.04 +- 0.72    0 (IN)    -62.39        1159.55        0.5188  1          1.0           A_q=3ppm, slit wide open
          916	  -88.77 +- 0.66    0 (IN)    -62.39        1159.55        0.5188  1          1.0           A_q=5ppm, slit wide open
          917	   88.11 +- 0.71    1 (OUT)   -62.39        1159.55        0.5188  1          1.0           A_q=-57ppm  , slit wide open					
          918	   90.14 +- 0.70    1 (OUT)   -62.39        1159.55        0.5188  1          1.0           A_q=-51ppm , slit wide open
          919	   88.06 +- 0.71    1 (OUT)   -62.39        1159.55        0.5188  1          1.0           A_q=-58ppm, slit wide open
          920	   88.61 +- 1.32    1 (OUT)   -62.39        1159.55        0.5188  1          1.0           A_q=-62ppm, slit wide open
          923	   89.45 +- 0.70    1 (OUT)   -62.39        1159.55        0.5188  1          1.0           xpos =-0.5, slit wide open
          924	   88.56 +- 0.72    1 (OUT)   -62.39        1159.55        0.5188  1          1.0           xpos =-0.5, slit wide open
          925	   89.42 +- 0.67    1 (OUT)   -62.39        1159.55        0.5188  1          1.0           xpos =-0.5, slit wide open
4/6/11    934      89.87 +- 0.73    0 (IN)    -62.39        1159.6         0.3387  1          0.8           slit wide open
          935      90.76 +- 0.73    0 (IN)    -62.39        1159.6         0.3387  1          0.8           slit wide open
          936      89.11 +- 0.74    0 (IN)    -62.39        1159.6         0.3387  1          0.8           slit wide open
          937     -89.57 +- 0.73    1 (OUT)   -62.39        1159.6         0.3387  1          0.8           slit wide open
          938     -89.50 +- 0.68    1 (OUT)   -62.39        1159.6         0.3387  1          0.8           slit wide open
          939     -88.33 +- 0.73    1 (OUT)   -62.39        1159.6         0.3387  1          0.8           slit wide open
4/8/11    946 	  -85.72 +- 0.70    1 (OUT)   -62.39        1159.37        1.3449  1          1.0           A_q = 27.ppm, MPS time set to 100us, slit wide open
          947	  -84.74 +- 0.71    1 (OUT)   -62.39        1159.37        1.3449  1          1.0           A_q = 11.ppm. MPS time set to 100us, slit wide open
          948	  -85.21 +- 0.73    1 (OUT)   -62.39        1159.37        1.3449  1          1.0           A_q = 38.ppm. MPS time set to 100us, slit wide open
          950	  -84.08 +- 0.73    1 (OUT)   -62.39        1159.37        1.3449  1          1.0           A_q = 33.ppm. MPS time set to 70us, slit wide open
          951	  -86.50 +- 0.73    1 (OUT)   -62.39        1159.37        1.3449  1          1.0           A_q = 48.ppm. Beam trip. MPS time set to 70us, slit wide open
          952	  -83.41 +- 0.72    1 (OUT)   -62.39        1159.37        1.3449  1          1.0           A_q =  6.ppm. MPS time set to 70us, slit wide open
          953	   84.23 +- 0.73    0 (IN)    -62.39        1159.37        1.3449  1          1.0           A_q = 417.ppm, slit wide open
          955      85.24 +- 0.72    0 (IN)    -62.39        1159.37        1.3449  1          1.0           A_q = 394.ppm, slit wide open
          957	   84.11 +- 0.73    0 (IN)    -62.39        1159.37        1.3449  1          1.0           A_q = 433.ppm, slit wide open
4/11/11   962      85.33 +- 1.41    0 (IN)                                                    1.16          A_q = -32ppm, slit wide open
          963	   87.06 +- 0.73    0 (IN)                                                    1.08          A_q =  21.ppm, slit wide open
          964	   86.04 +- 1.63    0 (IN)                                                    1.16          A_q =  -18ppm, slit wide open
          965     -86.46 +- 0.73    1 (OUT)                                                   1.19          A_q =  121.ppm, slit wide open
          966	  -87.58 +- 0.71    1 (OUT)                                                   1.19          A_q =  37.ppm, slit wide open
          967     -86.32 +- 0.74    1 (OUT)                                                   1.19          A_q =  72.ppm, slit wide open
4/13/11   978	  -88.52 +- 0.83    1 (OUT)   -62.39        1159.56        0.6052  1          1.0           A_q = 154.ppm, slit wide open
          979     -86.88 +- 0.73    1 (OUT)   -62.39        1159.56        0.6052  1          1.0           A_q = 98.ppm, slit wide open
          980	  -85.94 +- 0.73    1 (OUT)   -62.39        1159.56        0.6052  1          1.0           A_q = 133.ppm, slit wide open
          981	  -87.60 +- 0.73    1 (OUT)   -62.39        1159.56        0.6052  1          1.0           A_q = 128.ppm, slit wide open
          982	   86.63 +- 0.75    0 (IN)    -62.39        1159.56        0.6052  1          1.0           A_q = 44.ppm, slit wide open
          983	   87.33 +- 0.73    0 (IN)    -62.39        1159.56        0.6052  1          1.0           A_q = 5.ppm, slit wide open
          984	   87.79 +- 0.73    0 (IN)    -62.39        1159.56        0.6052  1          1.0           A_q = -7.ppm, slit wide open
          986	   84.85 +- 1.09    0 (IN)    -62.39        1159.56        0.6052  1          1.0           Hall A beam issues, 20uA off photo-cathode
          988	   86.00 +- 0.74    0 (IN)    -62.39        1159.56        0.6052  1          1.0           A_q = 114.ppm, 20uA off photo-cathode, slit controlled (29.5)
          990	   86.67 +- 0.73    0 (IN)    -62.39        1159.56        0.6052  1          1.0           A_q = 78.ppm, 20uA off photo-cathode, slit controlled
          991	   86.05 +- 0.73    0 (IN)    -62.39        1159.56        0.6052  1          1.0           A_q = 218.ppm, 20uA off photo-cathode, slit controlled
          992	   88.34 +- 0.73    0 (IN)    -62.39        1159.56        0.6052  1          1.0           A_q = 71.ppm, 20uA off photo-cathode, slit controlled
          993	   87.87 +- 1.17    0 (IN)    -62.39        1159.56        0.6052  1          1.0           A_q = -9.ppm, 20uA off photo-cathode, slit controlled
4/15/11   999	   86.17 +- 0.73    1 (OUT)   -62.39        1160.24        0.4297  1          1.0           A_q = 739.ppm, 20uA off photo-cathode, slit controlled (20.8)
          1000	   85.85 +- 0.70    1 (OUT)   -62.39        1160.24        0.4297  1          1.0           A_q = 580.ppm, 20uA off photo-cathode, slit controlled
          1001	   87.32 +- 0.70    1 (OUT)   -62.39        1160.24        0.4297  1          1.0           A_q = 811.ppm, 20uA off photo-cathode, slit controlled
          1003	   87.47 +- 1.18    1 (OUT)   -62.39        1160.24        0.4297  1          1.0           A_q = 485.ppm, 20uA off photo-cathode, slit controlled
          1005	   86.15 +- 2.38    1 (OUT)   -62.39        1160.24        0.4297  1          1.0           Tripped around 5e5 events, A_q = 319.ppm, slit wide open
          1006	   88.42 +- 1.22    1 (OUT)   -62.39        1160.24        0.4297  1          1.0           Tripped around 51.8e6 events, A_q = 260.ppm, slit wide open
          1007	   86.61 +- 0.73    1 (OUT)   -62.39        1160.24        0.4297  1          1.0           A_q = 278.ppm, slit wide open
          1008	   87.13 +- 0.65    1 (OUT)   -62.39        1160.24        0.4297  1          1.0           A_q = 233.ppm, slit wide open
          1009	  -88.44 +- 0.73    0 (IN)    -62.39        1160.24        0.4297  1          1.0           A_q = 27.ppm, slit wide open
          1010	  -88.92 +- 0.73    0 (IN)    -62.39        1160.24        0.4297  1          1.0           A_q = 27.ppm, slit wide open
          1012	  -88.04 +- 0.73    0 (IN)    -62.39        1160.24        0.4297  1          1.0           A_q = 52.ppm, slit wide open
4/22/11   1018    -86.26 +- 0.72    0 (IN)    -62.39        1159.61        0.7535  1          1.0           A_q = -959ppm, 20uA off photo-cathode, slit controlled (15.2)
          1019    -86.23 +- 0.70    0 (IN)    -62.39        1159.61        0.7535  1          1.0           A_q = -999ppm, 20uA off photo-cathode, slit controlled
          1020    -86.21 +- 0.92    0 (IN)    -62.39        1159.61        0.7535  1          1.0           A_q = -881ppm, 20uA off photo-cathode, slit controlled
          1021    -86.89 +- 0.67    0 (IN)    -62.39        1159.61        0.7535  1          1.0           A_q = -1015ppm, 20uA off photo-cathode, slit controlled
          1022     86.09 +- 0.72    1 (OUT)   -62.39        1159.61        0.7535  1          1.0           A_q = -434ppm, 20uA off photo-cathode, slit controlled	   
          1023     86.70 +- 1.10    1 (OUT)   -62.39        1159.61        0.7535  1          1.0           A_q = -763ppm, Beam tripped, Beam position unstable, 20uA off photo-cathode, slit controlled
          1024     87.16 +- 0.73    1 (OUT)   -62.39        1159.61        0.7535  1          1.0           A_q = -572ppm, Beam position unstable, 20uA off photo-cathode,
          1025     84.98 +- 0.73    1 (OUT)   -62.39        1159.61        0.7535  1          1.0           A_q = -753ppm, 20uA off photo-cathode,
          1026     87.06 +- 0.75    1 (OUT)   -62.39        1159.61        0.7535  1          1.0           A_q = -534ppm, 20uA off photo-cathode,
4/25/11   1030     87.26 +- 0.71    1 (OUT)   -62.39        1159.79        0.2316  1          1.0           A_q = -488ppm, 20uA off photo-cathode, slit controlled (15.2)
          1031	   85.26 +- 0.76    1 (OUT)   -62.39        1159.79        0.2316  1          1.0           A_q = -550ppm, 20uA off photo-cathode, slit controlled
          1032	   84.52 +- 0.72    1 (OUT)   -62.39        1159.79        0.2316  1          1.2           A_q = -430ppm, 20uA off photo-cathode, slit controlled
          1033	   83.61 +- 1.25    1 (OUT)   -62.39        1159.79        0.2316  1          1.4           A_q = -323ppm, 20uA off photo-cathode, slit controlled
          1035	   85.72 +- 0.95    1 (OUT)   -62.39        1159.79        0.2316  1          1.0           A_q = -294ppm, Missed helicity errors. slit controlled
          1036	   86.37 +- 1.08    1 (OUT)   -62.39        1159.79        0.2316  1          1.0           A_q = -583ppm, 20uA off photo-cathode, slit controlled
          1037	  -84.95 +- 0.72    0 (IN)    -62.39        1159.79        0.2316  1          1.0           A_q = -1466ppm, 20uA off photo-cathode, slit controlled
          1038	  -86.37 +- 1.02    0 (IN)    -62.39        1159.79        0.2316  1          1.0           A_q = -1287ppm, 20uA off photo-cathode, slit controlled
          1039	  -83.11 +- 1.24    0 (IN)    -62.39        1159.79        0.2316  1          1.0           A_q = -1155ppm, 20uA off photo-cathode, slit controlled
          1042	  -84.09 +- 1.96    0 (IN)    -62.39        1159.79        0.2316  1          0.6           A_q = -1709ppm, 20uA off photo-cathode, slit controlled
          1043	  -85.38 +- 0.74    0 (IN)    -62.39        1159.79        0.2316  1          0.6           A_q =-1209ppm, 20uA off photo-cathode, slit controlled
4/27/11   1057    -85.78 +- 0.74    0 (IN)    -62.39        1159.58        0.5158  1          1.0           A_q = -21ppm, Hall A @120uA,slit open
          1058    -86.38 +- 0.75    0 (IN)    -62.39        1159.58        0.5158  1          1.0           A_q = 0ppm, Hall A @120uA,slit open
          1059    -85.91 +- 0.74    0 (IN)    -62.39        1159.58        0.5158  1          1.0           A_q = -1538ppm, Hall A @120uA,slit controlled (16.5)
          1060    -86.32 +- 0.76    0 (IN)    -62.39        1159.58        0.5158  1          1.0           A_q = -861ppm, Hall A @120uA,slit controlled
          1062    -86.32 +- 0.75    0 (IN)    -62.39        1159.58        0.5158  1          1.0           A_q = -1044ppm, Hall A @120uA,slit controlled
          1063     87.96 +- 0.76    1 (OUT)   -62.39        1159.58        0.5158  1          1.0           A_q = -818ppm, Hall A @120uA,slit controlled
          1064     87.27 +- 0.76    1 (OUT)   -62.39        1159.58        0.5158  1          1.0           A_q = -663ppm, Hall A @120uA,slit controlled
          1065     86.33 +- 0.89    1 (OUT)   -62.39        1159.58        0.5158  1          1.0           A_q = -585ppm, Hall A @120uA,slit controlled
          1066     85.94 +- 0.76    1 (OUT)   -62.39        1159.58        0.5158  1          1.0           A_q = -534ppm, Hall A @120uA,slit controlled
          1067     86.47 +- 0.75    1 (OUT)   -62.39        1159.58        0.5158  1          1.0           A_q = -493ppm, Hall A @120uA,slit controlled
4/29/11   1072    -86.06 +- 0.74    1 (OUT)   -62.39        1159.61        0.2741  1          1.0           A_q = -66.ppm, 20uA off photo-cathode, slit controlled (17.5)
          1073    -85.44 +- 0.71    1 (OUT)   -62.39        1159.61        0.2741  1          1.0           A_q = -102.ppm, 20uA off photo-cathode,
          1074    -86.82 +- 0.74    1 (OUT)   -62.39        1159.61        0.2741  1          1.0           A_q =  -63.ppm, 20uA off photo-cathode,
          1075     85.89 +- 0.74    0 (IN)    -62.39        1159.61        0.2741  1          1.0           A_q = -731.ppm, 20uA off photo-cathode,
          1076     84.54 +- 0.94    0 (IN)    -62.39        1159.61        0.2741  1          1.0           A_q = -868.ppm Beam trip and tune beam, 20uA off photo-cathode,
          1077     86.60 +- 0.76    0 (IN)    -62.39        1159.61        0.2741  1          1.0           A_q = -966.ppm, 20uA off photo-cathode,
          1078     86.39 +- 0.72    0 (IN)    -62.39        1159.61        0.2741  1          1.0           A_q = -876.ppm, 20uA off photo-cathode,
          1079     85.38 +- 2.10    0 (IN)    -62.39        1159.61        0.8352  1          1.0           A_q = 908.ppm, new spot, 20uA off photo-cathode, slit controlled (16.9)
          1081     88.10 +- 1.85    0 (IN)    -62.39        1159.61        0.8352  1          1.0           A_q = 305.ppm, 20uA off photo-cathode,
          1084     86.58 +- 0.81    0 (IN)    -62.39        1159.61        0.8352  1          1.0           A_q = 537.ppm, 20uA off photo-cathode,
          1085     86.30 +- 0.73    0 (IN)    -62.39        1159.61        0.8352  1          1.0           A_q = 445.ppm, 20uA off photo-cathode,
          1086     86.89 +- 1.26    0 (IN)    -62.39        1159.61        0.8352  1          1.0           A_q = 955.ppm, 20uA off photo-cathode,
5/2/11    1096     86.01 +- 0.73    0 (IN)    -62.39        1159.61        0.2509  1          1.0           A_q = -209ppm. 25uA off photo-cathode, slit controlled (15.7)
          1100     85.92 +- 0.75    0 (IN)    -62.39        1159.61        0.2509  1          1.0           A_q= -44ppm. 25uA off photo-cathode, slit controlled
          1101     87.06 +- 1.73    0 (IN)    -62.39        1159.61        0.2509  1          1.0           A_q= -85ppm. 25uA off photo-cathode, slit controlled
          1102     86.55 +- 0.99    0 (IN)    -62.39        1159.61        0.2509  1          1.0           A_q= -21ppm. 25uA off photo-cathode, slit controlled
          1103    -85.54 +- 0.75    1 (OUT)   -62.39        1159.61        0.2509  1          1.0           A_q= 324ppm. 25uA off photo-cathode, slit controlled
          1104    -87.11 +- 0.75    1 (OUT)   -62.39        1159.61        0.2509  1          1.0           A_q= 278ppm. 25uA off photo-cathode, slit controlled
          1105    -86.57 +- 0.79    1 (OUT)   -62.39        1159.61        0.2509  1          1.0           A_q= 456ppm. 25uA off photo-cathode, slit controlled
5/4/11    1113     87.92 +/- 0.74   0 (IN)    -62.39        1159.59        0.8428  1          1.0           slit open
          1114	   87.44 +/- 0.90   0 (IN)    -62.39        1159.59        0.8428  1          1.0           slit open, 3.3e6 events, helicity gates missed
          1116	   89.06 +/- 0.74   0 (IN)    -62.39        1159.59        0.8428  1          1.0           slit open
          1117	   87.85 +/- 1.36   0 (IN)    -62.39        1159.59        0.8428  1          1.0           slit open, missed helicity gates
          1118	   89.00 +/- 0.94   0 (IN)    -62.39        1159.59        0.8428  1          1.0           slit open
          1119	   89.62 +/- 1.59   0 (IN)    -62.39        1159.59        0.8428  1          1.0           slit controlled (14.9), removed gate generator from the mps chain 
          1120	   86.94 +/- 1.36   0 (IN)    -62.39        1159.59        0.8428  1          1.0           slit controlled
          1121	   86.46 +/- 1.64   0 (IN)    -62.39        1159.59        0.8428  1          1.0           slit controlled
          1122	   87.80 +/- 1.18   0 (IN)    -62.39        1159.59        0.8428  1          1.0           slit controlled
          1123	   84.94 +/- 1.08   0 (IN)    -62.39        1159.59        0.8428  1          1.0           slit controlled
          1124	   85.16 +/- 1.53   0 (IN)    -62.39        1159.59        0.8428  1          1.0           slit controlled, missed helicity gates
          1125	   86.13 +/- 0.80   0 (IN)    -62.39        1159.59        0.8428  1          1.0           rates ~12.5 kHz, slit controlled
          1126	  -89.65 +/- 0.73   1 (OUT)   -62.39        1159.59        0.8428  1          1.0           slit controlled, 
          1127	  -87.42 +/- 2.14   1 (OUT)   -62.39        1159.59        0.8428  1          1.0           slit controlled, mised helicity gates
          1128    -87.71 +/- 1.46   1 (OUT)   -62.39        1159.59        0.8428  1          1.0           slit controlled, 
          1130	  -85.93 +/- 0.74   1 (OUT)   -62.39        1159.59        0.8428  1          1.0           slit controlled, 
          1131	  -89.14 +/- 0.90   1 (OUT)   -62.39        1159.59        0.8428  1          1.0           slit controlled, 
          1132	  -87.87 +/- 0.87   1 (OUT)   -62.39        1159.59        0.8428  1          1.0           slit controlled, missed helicity gates
          1133	  -87.58 +/- 0.74   1 (OUT)   -62.39        1159.59        0.8428  1          1.0           rates ~12.4 kHz, slit controlled, 
5/6/11    1145     88.24 +/- 0.75   0 (IN)    -62.40        1159.20        0.6460  1          1.1           right hall probe=0.14155, 20uA off photo-cathode, slit controlled (12.6)
          1146     87.11 +/- 0.74   0 (IN)    -62.40        1159.20        0.6460  1          1.1           20uA off photo-cathode, slit controlled (12.6)
          1147     87.85 +/- 1.15   0 (IN)    -62.40        1159.20        0.6460  1          1.1           20uA off photo-cathode, slit controlled
          1148	   87.53 +/- 0.74   0 (IN)    -62.40        1159.20        0.6460  1          1.1           20uA off photo-cathode, slit controlled
          1171     88.49 +/- 0.64   0 (IN)    -62.40        1159.20        0.6460  1          1.1           right hall probe=0.1370, 20uA off photo-cathode, slit controlled
          1172     86.29 +/- 0.74   0 (IN)    -62.40        1159.20        0.6460  1          1.1           20uA off photo-cathode, slit controlled
          1175     87.09 +/- 0.74   0 (IN)    -62.40        1159.20        0.6460  1          1.1           20uA off photo-cathode, slit controlled
5/9/11    1217    -86.45 +/- 1.01   1 (OUT)                                                                 A_q = 735.ppm beam trip at the end, 20uA off photo-cathode, slit controlled (14.1)
          1219    -86.74 +/- 1.03   1 (OUT)                                                                 A_q = 819.ppm beam trip at the end, 20uA off photo-cathode, slit controlled
          1220	  -86.83 +/- 0.81   1 (OUT)                                                                 A_q = 691.ppm beam trip at the end, 20uA off photo-cathode, slit controlled
          1221	  -87.50 +/- 0.75   1 (OUT)                                                                 A_q = 833.ppm, 20uA off photo-cathode, slit controlled
          1222	  -86.69 +/- 0.74   1 (OUT)                                                                 A_q = 684.ppm, 20uA off photo-cathode, slit controlled
          1223	   86.24 +/- 0.74   0 (IN)                                                                  A_q = -698.ppm, 20uA off photo-cathode, slit controlled
          1224	   87.65 +/- 0.74   0 (IN)                                                                  A_q = -676.ppm, 20uA off photo-cathode, slit controlled
          1225	   88.62 +/- 0.74   0 (IN)                                                                  A_q = -593.ppm, 20uA off photo-cathode, slit controlled
5/12/11   1230	  -87.46 +/- 0.74   1 (OUT)                                                                 A_q = 10.ppm, slit controlled (31.6)
          1233	  -85.17 +/- 0.74   1 (OUT)                                                                 A_q = 14.ppm, slit controlled
          1234	  -88.30 +/- 0.72   1 (OUT)                                                                 A_q = 118.ppm, slit controlled
          1235	   85.89 +/- 0.74   1 (OUT)                                                                 A_q = -244.ppm, slit controlled
          1237	   85.63 +/- 0.84   1 (OUT)                                                                 A_q = -73.ppm, slit controlled
          1239	   86.57 +/- 0.74   1 (OUT)                                                                 A_q = -107.ppm, slit controlled
          1240	   85.86 +/- 1.71   1 (OUT)                                                                 A_q = -195.ppm, slit controlled

List of leakage checks

Run   Date       Absolute rate (Hz)   Active halls   Comments
515   11/23/10   0                    A              we should double check this, if there is any nice retroactive way
518   11/23/10   0                    A
744   2/7/11     2
774   2/8/11     1-2                  B
819   2/14/11    1-2
829  2/19/11    10                   A+B
846   2/22/11    5
889   3/18/11    2.7 (avg for 4-5 min)A              Hall A 5 uA
926   4/4/11
940   4/6/11     3                    A              Hall A ~4uA				
958   4/8/11      		     	    	 
985   4/13/11	 3		      A              	
1068  4/27/11    17                   A              Slit closed. Hall A ~120uA.
1208  5/6/11     12.1                 A              Hall A ~120uA
1241  5/12/11    0.13                 A              Hall A ~4uA

List of good Moller spin dance runs (this can be combined with the above table, if desirable) The HWP column has a (L) for flipped left, and (R) for flipped right.

Date      Run 	  Polarization (%)  HW Plate  Vert. Wien (deg.)   Horiz. Wien   HALLC:p(MeV)   QE(%)   Comments
11/23/10  508 c   +40.04 +/- 1.23   1 (OUT)    -0.1                             1159.66        0.35    1 um foil, 200 nA
          509  c  +40.05 +/- 1.88   1 (OUT)    -0.1                             1159.66        0.35    1 um foil, 1.05 uA
          510     +40.40 +/- 1.03   1 (OUT)    -0.1                             1159.66        0.35    1 um foil, 1 uA
          511     +40.13 +/- 0.68   1 (OUT)    -0.1                             1159.66        0.35    1 um foil, 0.9 uA
          512     +40.19 +/- 0.70   1 (OUT)    -0.1                             1159.66        0.35    1 um foil, 0.9 uA
          513     +40.13 +/- 0.70   1 (OUT)    -0.1                             1159.66        0.35    1 um foil, 0.9 uA
          514     +40.14 +/- 0.65   1 (OUT)    -0.1                             1159.66        0.35    1 um foil, 0.57 uA
          517     -2.75  +/- 0.65   1 (OUT)    +29.0                            1159.66        0.35    1 um foil, 0.9 uA
          519     -3.70  +/- 0.69   1 (OUT)    +29.0                            1159.66        0.35    1 um foil, 0.9 uA
          520     -3.48  +/- 0.68   1 (OUT)    +29.0                            1159.66        0.35    1 um foil, 0.9 uA
          521     +75.85 +/- 0.88   1 (OUT)    -31.0                            1159.66        0.35    1 um foil, 0.9 uA
          522     +76.81 +/- 0.69   1 (OUT)    -31.0                            1159.66        0.35    1 um foil, 0.9 uA
          523     +75.61 +/- 0.69   1 (OUT)    -31.0                            1159.66        0.35    1 um foil, 0.9 uA
          524     +75.50 +/- 1.25   1 (OUT)    -31.0                            1159.66        0.35    1 um foil, 0.9 uA
          525     +74.54 +/- 0.96   1 (OUT)    -31.0                            1159.66        0.35    1 um foil, 0.9 uA
          526     +75.37 +/- 0.67   1 (OUT)    -31.0                            1159.66        0.35    1 um foil, 0.9 uA
          527     +87.89 +/- 0.70   1 (OUT)    -75.0                            1159.66        0.35    1 um foil, 0.9 uA
          528     +87.63 +/- 0.69   1 (OUT)    -75.0                            1159.66        0.35    1 um foil, 0.9 uA
          529     +86.69 +/- 0.69   1 (OUT)    -75.0                            1159.66        0.35    1 um foil, 0.9 uA
          530     +86.83 +/- 0.79   1 (OUT)    -75.0                            1159.66        0.35    1 um foil, 0.9 uA
          531     +88.64 +/- 0.74   1 (OUT)    -63.0                            1159.66        0.35    1 um foil, 0.9 uA
          532     +89.65 +/- 1.12   1 (OUT)    -63.0                            1159.66        0.35    1 um foil, 0.9 uA
          533     +90.32 +/- 0.69   1 (OUT)    -63.0                            1159.66        0.35    1 um foil, 0.9 uA
          534     +89.51 +/- 0.68   1 (OUT)    -63.0                            1159.66        0.35    1 um foil, 0.9 uA
          535     +89.73 +/- 1.90   1 (OUT)    -63.0                            1159.66        0.35    1 um foil, 0.9 uA
          536     +90.04 +/- 0.91   1 (OUT)    -63.0                            1159.66        0.35    1 um foil, 0.9 uA
2/10/11   771     -85.92 +/- 4.22   1 (OUT)L   -63.22             87.10
          772     -90.36 +/- 0.73   1 (OUT)L   -63.22             87.10
          773     -88.62 +/- 0.73   1 (OUT)L   -63.22             87.10
          776     -73.81 +/- 0.74   1 (OUT)L   -30                87.10                                good (energy not reading back)
          777     -76.53 +/- 0.74   1 (OUT)L   -30                87.10                                good (energy not reading back)
          778     -75.89 +/- 0.75   1 (OUT)L   -30                87.10                                good (energy not reading back)
          779     -74.29 +/- 0.74   1 (OUT)L   -30                87.10                                good (energy not reading back)
          780     -76.13 +/- 0.92   1 (OUT)L   -30                87.10                                good (energy not reading back)
          781     -75.18 +/- 0.71   1 (OUT)L   -30                87.10                                good (energy reading back)
          782     -74.71 +/- 0.74   1 (OUT)L   -30                87.10                                good
          783     -41.87 +/- 0.73   1 (OUT)L   -1                 87.10                                good
          785     -42.10 +/- 0.74   1 (OUT)L   -1                 87.10                                good, 3c12 unstable
          786     -42.62 +/- 0.74   1 (OUT)L   -1                 87.10                                good, 3c12 unstable
          787     -77.27 +/- 0.72   1 (OUT)L   -90                87.10                                good, 3c12 unstable
          788     -76.99 +/- 0.73   1 (OUT)L   -90                87.10                                good, 3c12 unstable
          790     -77.44 +/- 0.74   1 (OUT)L   -90                87.10                                good
          791     -89.00 +/- 0.73   1 (OUT)L   -62.4              87.10                                good
          792     -89.76 +/- 0.82   1 (OUT)L   -62.4              87.10                                3c12 drifting
          793     -88.66 +/- 0.73   1 (OUT)L   -62.4              87.10                                3c12 drifting
          794     +88.92 +/- 0.73   0 (IN)L    -62.4              87.10                                large charge asymmetry ~1166ppm
          795     +90.77 +/- 2.74   0 (IN)L    -62.4              87.10                                charge asymmetry ~1052 ppm, Pockel's HV change
          796     +88.82 +/- 0.73   0 (IN)L    -62.4              87.10                                charge asymmetry ~ 379, good
          797     +87.87 +/- 0.73   0 (IN)L    -62.4              87.10                                good
          798     +89.93 +/- 0.73   0 (IN)L    -62.4              87.10                                good