Run type: 1 - measurement in point, 2 - transverse scan, 3 - longitudinal scan
The beam energy is 1232MeV (accel) 583.5MeV(linac). Injector angle is 0.2o, the 1/2 wave plate was OUT. Injector laser attenuation=80, Slit=16.8. Fast raster was ON.
| Runs | Target | Type | T.Pos. | Encoder | BOP | Polarization % | Chi2 | Comments |
| 12853-12857 | 5 | 1 | 0.0 | 1.032/1.392 | 8.0 | 89.19+/-0.36 | 1.46 | B.cur=0.33uAmp, Thr=250mV |
| 12858-12861 | 4 | 1 | 0.0 | 1.663/1.392 | 8.0 | 87.48+/-0.43 | 1.89 | B.cur=0.32uAmp |
| 12862-12865 | 3 | 1 | 0.0 | 2.293/1.397 | 8.0 | 89.33+/-0.42 | 0.26 | B.cur=0.31uAmp |
| 12866-12869 | 2 | 1 | 0.0 | 2.921/1.390 | 8.0 | 87.33+/-0.30 | 2.49 | B.cur=0.32uAmp |
| 12870-12873 | 2 | 1 | 0.0 | 2.921/1.392 | 8.0 | 87.73+/-0.39 | 0.17 | B.cur=0.2uAmp |
| Average | 2,3,4,5 | 1 | - | - | - | 88.48+/-0.19 | 1.89 | Without 12866-12869 |
The table with detailed information is given
here .
The final results:
Pz= 88.48 +/- 0.19(stat) +/- 2.0(syst-prelim) (dead time correction is not included)
The beam energy is 5904MeV(accel), 583.5MeV(linac), 65.6437MeV(injector).
Injector angle is 31.1993o, the 1/2 wave plate was IN.
Injector Laser attenuation=85, Slit=17. Fast raster was ON.
| Runs | Target | Type | T.Pos. | Encoder | BOP | Polarization % | Chi2 | Comments |
| 12875-12876 | 5 | 1 | 0.0 | 1.033/1.392 | 8.0 | HV adjustment | - | B.cur=0.52uAmp, Thr=100mV |
| 12877-12880 | 5 | 1 | 0.0 | 1.033/1.392 | 8.0 | -75.42+/-0.27 | 1.43 | Threshold=150mV |
| 12881-12884 | 4 | 1 | 0.0 | 1.656/1.387 | 8.0 | -74.12+/-0.29 | 0.14 | B.cur=0.5uAmp |
| 12885-12888 | 3 | 1 | 0.0 | 2.288/1.394 | 8.0 | -74.64+/-0.26 | 1.32 | B.cur=0.47uAmp |
| 12889-12892 | 2 | 1 | 0.0 | 2.918/1.392 | 8.0 | -74.99+/-0.18 | 0.42 | B.cur=0.48uAmp |
| 12893-12896 | 2 | 1 | 0.0 | 2.918/1.392 | 8.0 | -75.46+/-0.19 | 1.03 | B.cur=0.31uAmp |
| Average | 2,3,4,5 | 1 | - | - | - | -75.05+/-0.12 | 2.09 | Without 12889-12892 |
The table with detailed information is given
here .
The final results:
Pz=-75.05 +/- 0.12(stat) +/- 2.0(syst-prelim) (dead time correction is not included)
The beam energy is 5904MeV(accel), 583.5MeV(linac), 65.6437MeV(injector).
Injector angle is 31.1993o, the 1/2 wave plate was IN.
Injector Laser attenuation=109, Slit=15.2. Fast raster was ON.
| Runs | Target | Type | T.Pos. | Encoder | BOP | Polarization % | Chi2 | Comments |
| 12899-12902 | 5 | 1 | 0.0 | 1.035/1.390 | 8.0 | -76.55+/-0.34 | 6.47 | B.cur=0.48uAmp Thr=150mV |
| 12903-12906 | 4 | 1 | 0.0 | 1.666/1.392 | 8.0 | -76.18+/-0.29 | 0.75 | B.cur=0.47uAmp Thr=150mV |
| 12907-12910 | 3 | 1 | 0.0 | 2.296/1.397 | 8.0 | -74.09+/-0.28 | 8.99 | B.cur=0.48uAmp Thr=150mV |
| 12911-12914 | 3 | 1 | 0.0 | 2.291/1.392 | 8.0 | -72.80+/-0.27 | 1.43 | B.cur=0.45uAmp Thr=250mV |
| 12915-12918 | 5 | 1 | 0.0 | 1.038/1.390 | 8.0 | -74.68+/-0.35 | 2.02 | B.cur=0.45uAmp Thr=250mV |
| 12919-12922 | 5 | 1 | 0.0 | 1.038/1.390 | 8.0 | -74.64+/-0.42 | 2.16 | B.cur=0.43uAmp Thr=350mV |
| 12923-12926 | 5 | 1 | 0.0 | 1.038/1.390 | 8.0 | -74.12+/-0.31 | 1.21 | B.cur=0.45uAmp Thr=150mV |
| 12927-12929 | 5 | 1 | 0.0 | 1.033/1.397 | 8.0 | -73.36+/-0.39 | 2.62 | B.cur=0.43uAmp Thr=150mV |
| 12930-12933 | 2 | 1 | 0.0 | 2.921/1.392 | 8.0 | -73.36+/-0.20 | 2.84 | B.cur=0.43uAmp Thr=250mV |
| Average | 2,3,4,5 | 1 | - | - | - | -74.45+/-0.10 | 7.03 | - |
The table with detailed information is given
here .
The final results:
Pz=-74.45 +/- 0.10(stat) +/- 2.0(syst-prelim) (dead time correction is not included)
The beam energy is 5904MeV(accel), 583.5MeV(linac), 65.6437MeV(injector).
Injector angle is 31.1993o, the 1/2 wave plate was IN.
Injector Laser attenuation=103, Slit=15.75. Fast raster was ON.
| Runs | Target | Type | T.Pos. | Encoder | BOP | Polarization % | Chi2 | Comments |
| 12935-12938 | 5 | 1 | 0.0 | 1.039/1.390 | 8.0 | -74.24+/-0.33 | 0.93 | B.cur=0.41uAmp Thr=50mV |
| 12939-12942 | 5 | 1 | 0.0 | 1.039/1.390 | 8.0 | -75.78+/-0.33 | 1.23 | Thr=150mV |
| 12943-12946 | 5 | 1 | 0.0 | 1.039/1.390 | 8.0 | -74.50+/-0.37 | 0.23 | Thr=300mV |
| 12947 | 5 | 1 | 0.0 | 1.039/1.390 | 8.0 | - | - | Hall A laser OFF |
| 12948 | 5 | 1 | 0.0 | 1.039/1.390 | 8.0 | -76.55+/-0.34 | - | Thr=400mV |
| 12949-12952 | 5 | 1 | 0.0 | 1.039/1.390 | 8.0 | -74.74+/-0.40 | 1.34 | Thr=350mV |
| 12954-12955 | 5 | 1 | 0.0 | 1.039/1.390 | 8.0 | -73.28+/-0.55 | 1.58 | Thr=300mV |
| 12956 | 5 | 1 | 0.0 | 1.039/1.390 | 8.0 | - | - | Delay Ch4,5 18->14 Thr=300mV |
| Average 2 | 5 | 1 | 0.0 | 1.039/1.390 | 8.0 | -74.83+/-0.19 | 4.37 | Thr=50,150,300,350 |
| 12957-12960 | 4 | 1 | 0.0 | 1.661/1.392 | 8.0 | -73.37+/-0.38 | 0.82 | Delay back to 18 Thr=300mV |
| 12961-12964 | 3 | 1 | 0.0 | 2.291/1.392 | 8.0 | -73.38+/-0.33 | 2.97 | Thr=300mV |
| 12965-12968 | 2 | 1 | 0.0 | 2.923/1.389 | 8.0 | -74.48+/-0.23 | 0.44 | Thr=300mV |
| Average | 2,3,4,5 | 1 | - | - | - | -74.06+/-0.15 | 4.10 | Thr=300 |
| Average | 2,3,4,5(2) | 1 | - | - | - | -74.35+/-0.13 | 7.33 | Thr=50,150,300,350 |
The table with detailed information is given
here .
Several systematic studies were done to look for the jumps in polarization observed in the previous measurement, which later turned out
to be made in the dispersive mode of the beam.
The final results:
Pz=-74.06 +/- 0.15(stat) +/- 2.0(syst-prelim) (dead time correction is not included)