Measurement E151M1819
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.1192 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8924 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | -1.3196 | 0.7622 |
| 0.15 | 54.0 | 1.9386 | 0.6596 |
| 0.25 | 18.0 | 0.0623 | 0.7772 |
| 0.25 | 42.0 | -1.1121 | 0.7408 |
| 0.25 | 54.0 | 0.1878 | 0.7635 |
| 0.25 | 66.0 | -0.0077 | 0.6725 |
| 0.25 | 78.0 | -0.8959 | 0.7021 |
| 0.25 | 90.0 | 2.1812 | 0.6757 |
| 0.25 | 282.0 | -0.3652 | 0.5596 |
| 0.25 | 294.0 | -0.6867 | 0.6438 |
| 0.25 | 306.0 | -0.0777 | 0.7253 |
| 0.35 | 18.0 | 0.1417 | 0.8235 |
| 0.35 | 30.0 | -0.1429 | 0.8523 |
| 0.35 | 54.0 | -1.6236 | 0.658 |
| 0.35 | 66.0 | 0.4278 | 0.5376 |
| 0.35 | 78.0 | -0.0936 | 0.4686 |
| 0.35 | 90.0 | -1.3406 | 0.5941 |
| 0.35 | 258.0 | -0.3911 | 0.8393 |
| 0.35 | 270.0 | 1.0282 | 0.5671 |
| 0.35 | 282.0 | 0.0553 | 0.4797 |
| 0.35 | 294.0 | 0.5655 | 0.5139 |
| 0.35 | 306.0 | -0.8464 | 0.6615 |
| 0.35 | 318.0 | -0.742 | 0.7918 |
| 0.35 | 330.0 | 0.418 | 0.7936 |
| 0.45 | 66.0 | 0.2874 | 0.595 |
| 0.45 | 78.0 | 0.0979 | 0.4809 |
| 0.45 | 90.0 | -1.006 | 0.5626 |
| 0.45 | 102.0 | 0.2333 | 0.7986 |
| 0.45 | 114.0 | 0.1695 | 0.8328 |
| 0.45 | 258.0 | 0.7165 | 0.6762 |
| 0.45 | 270.0 | 0.1367 | 0.4643 |
| 0.45 | 282.0 | 0.0611 | 0.4223 |
| 0.45 | 294.0 | -0.137 | 0.4775 |
| 0.45 | 306.0 | 1.2272 | 0.6369 |
| 0.55 | 66.0 | -0.1068 | 0.7095 |
| 0.55 | 78.0 | -0.1255 | 0.4869 |
| 0.55 | 90.0 | -0.4415 | 0.5295 |
| 0.55 | 102.0 | 0.3859 | 0.6139 |
| 0.55 | 114.0 | -0.209 | 0.6136 |
| 0.55 | 126.0 | -0.541 | 0.5902 |
| 0.55 | 138.0 | -0.3006 | 0.78 |
| 0.55 | 222.0 | -0.3797 | 0.7694 |
| 0.55 | 234.0 | 0.0287 | 0.6012 |
| 0.55 | 246.0 | -0.1238 | 0.655 |
| 0.55 | 258.0 | -0.0259 | 0.5863 |
| 0.55 | 270.0 | -0.9894 | 0.4544 |
| 0.55 | 282.0 | 1.4403 | 0.4059 |
| 0.55 | 294.0 | -0.1478 | 0.5565 |
| 0.55 | 306.0 | -1.1146 | 0.6853 |
| 0.65 | 66.0 | 0.1342 | 0.5717 |
| 0.65 | 78.0 | -0.3621 | 0.6138 |
| 0.65 | 90.0 | -0.4584 | 0.7176 |
| 0.65 | 102.0 | -0.3741 | 0.5322 |
| 0.65 | 114.0 | 0.437 | 0.4631 |
| 0.65 | 126.0 | -0.5945 | 0.4947 |
| 0.65 | 138.0 | 0.3833 | 0.5582 |
| 0.65 | 150.0 | -1.1622 | 0.6397 |
| 0.65 | 210.0 | -0.5538 | 0.5946 |
| 0.65 | 222.0 | -0.1789 | 0.5283 |
| 0.65 | 234.0 | 0.3863 | 0.493 |
| 0.65 | 246.0 | -0.343 | 0.5019 |
| 0.65 | 258.0 | 0.4026 | 0.5124 |
| 0.65 | 270.0 | 0.3438 | 0.6046 |
| 0.65 | 282.0 | -0.1401 | 0.6975 |
| 0.65 | 294.0 | 0.8319 | 0.4943 |
| 0.65 | 306.0 | 0.4472 | 0.6183 |
| 0.75 | 66.0 | 0.9585 | 0.6364 |
| 0.75 | 78.0 | -0.8732 | 0.7853 |
| 0.75 | 102.0 | 0.2126 | 0.6364 |
| 0.75 | 114.0 | -0.2389 | 0.4895 |
| 0.75 | 126.0 | -0.5097 | 0.4535 |
| 0.75 | 138.0 | -0.4329 | 0.48 |
| 0.75 | 150.0 | 0.7952 | 0.6062 |
| 0.75 | 198.0 | -0.4329 | 0.6888 |
| 0.75 | 210.0 | -0.0426 | 0.5226 |
| 0.75 | 222.0 | 0.3546 | 0.4249 |
| 0.75 | 234.0 | -0.2702 | 0.446 |
| 0.75 | 246.0 | -0.4757 | 0.4485 |
| 0.75 | 258.0 | -0.1611 | 0.5455 |
| 0.75 | 270.0 | 1.024 | 0.7775 |
| 0.75 | 282.0 | 0.0265 | 0.4786 |
| 0.75 | 294.0 | 0.5156 | 0.5917 |
| 0.85 | 90.0 | 0.1976 | 0.5921 |
| 0.85 | 102.0 | 0.0365 | 0.5801 |
| 0.85 | 114.0 | 0.0228 | 0.7811 |
| 0.85 | 126.0 | 1.4267 | 0.5534 |
| 0.85 | 138.0 | -0.5409 | 0.5691 |
| 0.85 | 150.0 | -0.8554 | 0.741 |
| 0.85 | 198.0 | 0.7081 | 0.8104 |
| 0.85 | 210.0 | -0.455 | 0.5712 |
| 0.85 | 222.0 | 0.4722 | 0.4234 |
| 0.85 | 234.0 | -0.1294 | 0.4169 |
| 0.85 | 246.0 | 0.6694 | 0.4457 |
| 0.85 | 258.0 | 0.2426 | 0.4587 |
| 0.85 | 270.0 | -1.0141 | 0.6909 |
| 0.95 | 102.0 | 0.1 | 0.7097 |
| 0.95 | 114.0 | 0.3001 | 0.6766 |
| 0.95 | 210.0 | -0.1601 | 0.7351 |
| 0.95 | 222.0 | 0.8389 | 0.5243 |
| 0.95 | 234.0 | 0.2875 | 0.5004 |
| 0.95 | 246.0 | -0.0977 | 0.4699 |
| 0.95 | 258.0 | -0.1688 | 0.6815 |
Experiment comment: