G2p 1157 25T
From Hall A Wiki
| HRS Momentum (MeV) | Material # | Spread (%) | Runs | Comments | Conclusion |
| 1168 | 12 | - | 1 | ||
| 1151 | 12 | - | 1 | ||
| 1113 | 12 | - | 1 | ||
| 1082 | 14 | - | 1 | ||
| 1081 | 12 | 2.2% | 8 | Shift worker noticed 3rd arm rate was high for 5034-5039. Didn't see anything on Spot_3 but moved beam position down by 0.5 mm to get more normal 3rd arm rates for runs 5044-5045 | |
| 1017 | 11 | 6.1% | 27 | For first set of runs where yield is drifting larger, target y is drifting more and more negative. Starts at -7.7mm and drifts to -10.1mm. There is potentially beam scraping in first set of runs where beam drifts. 3rd arm rate increased but not seen in HRS spot++. Decreased raster size to 1.5cm for first set of runs as well. Beam then went down and after tuning the raster size was set to an oval. First run is 4818. HWP removed prior to 4832 and then beam became unstable. Run 4835 has no track efficiency data in MySQL | |
| 1017 | 14 | - | 1 | ||
| 1006 | 12 | 0.29% | 7 | ||
| 1006 | 11 | 0.39% | 11 | ||
| 956 | 11 | 1.1% | 20 | ||
| 956 | 14 | 0.04% | 2 | ||
| 935 | 11 | 0.63% | 18 | ||
| 898 | 11 | 2.5% | 22 | Last two runs contribute most to spread. It's also where beam x and beam y are most different from rest of values. The shift is ~0.5mm for both X/Y for those two runs.In MySQL there are no error bars on BPM info. | |
| 898 | 14 | 0.01% | 2 | ||
| 870 | 11 | 0.9% | 12 | 5101 had no L.rec.dp info so used L.gold.dp instead, 5095, 5101 has no BPM info in MySQL | |
| 870 | 13 | 0.4% | 19 | ||
| 870 | 14 | 2.8% | 3 | Take one run and then come back much later and take two more. The second two are in disagreement with the first run. Beam X/Y are ~0.5mm different between the two sets of runs. The second set of runs also had a mismatched septum current on L/R HRS. | |
| 844 | 11 | 2.7% | 20 | ||
| 844 | 14 | 0.08% | 2 | ||
| 809 | 14 | 3.8% | 20 | Took 18 runs and then came back much later and took 2 more, the two additional runs contribute to the large spread. | |
| 794 | 11 | 2.2% | 16 | ||
| 794 | 14 | 0.09% | 2 | ||
| 752 | 14 | 5.2% | 16 | Took 14 runs and then came back much later and took 2 more, the two additional runs contribute to the large spread. | |
| 752 | 13 | 0.6% | 14 | ||
| 746 | 12 | 2.1% | 9 | ||
| 746 | 14 | 0.07% | 2 | ||
| 701 | 12 | 1.8% | 10 | ||
| 700 | 13 | 0.8% | 24 | ||
| 700 | 14 | 0.17% | 2 | ||
| 659 | 12 | 2.1% | 11 | ||
| 651 | 14 | 0.4% | 8 | ||
| 619 | 12 | 1.9% | 7 | ||
| 582 | 12 | 3.8% | 9 | First run is about a 1mm lower in target y and seems to contribute most to spread | |
| 563 | 14 | 0.23% | 2 | ||
| 547 | 12 | 1.7% | 8 | ||
| 523 | 14 | 0.07% | 2 | ||
More detailed 1.157GeV 2.5T Transverse left arm plots are available here
