Measurement E151M1127
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.1542 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1685.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8696 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.35 | 270.0 | 0.1915 | 0.7136 |
| 0.35 | 282.0 | 0.0847 | 0.7559 |
| 0.45 | 102.0 | -0.1923 | 0.6726 |
| 0.45 | 126.0 | 0.1404 | 0.8231 |
| 0.45 | 270.0 | -0.0918 | 0.7198 |
| 0.45 | 282.0 | -1.0356 | 0.4919 |
| 0.55 | 102.0 | 0.3115 | 0.6101 |
| 0.55 | 114.0 | -1.0342 | 0.4641 |
| 0.55 | 138.0 | -1.846 | 0.4353 |
| 0.55 | 270.0 | -0.7932 | 0.5931 |
| 0.55 | 294.0 | 0.5939 | 0.7168 |
| 0.65 | 90.0 | 0.6595 | 0.7689 |
| 0.65 | 102.0 | -0.1989 | 0.5113 |
| 0.65 | 114.0 | -0.4321 | 0.5547 |
| 0.65 | 126.0 | 0.0763 | 0.6995 |
| 0.65 | 198.0 | 0.6366 | 0.7385 |
| 0.65 | 210.0 | 1.3799 | 0.7597 |
| 0.65 | 222.0 | 0.7062 | 0.6799 |
| 0.65 | 234.0 | 1.3092 | 0.9025 |
| 0.65 | 282.0 | 1.1704 | 0.796 |
| 0.65 | 294.0 | -0.3946 | 0.4922 |
| 0.75 | 78.0 | 0.1632 | 0.5962 |
| 0.75 | 90.0 | 0.3978 | 0.7794 |
| 0.75 | 102.0 | -1.0913 | 0.5834 |
| 0.75 | 114.0 | 0.4992 | 0.5801 |
| 0.75 | 126.0 | -0.6291 | 0.6203 |
| 0.75 | 138.0 | -1.0604 | 0.6295 |
| 0.75 | 198.0 | 1.4472 | 0.756 |
| 0.75 | 210.0 | 0.2426 | 0.6076 |
| 0.75 | 222.0 | 0.0154 | 0.4943 |
| 0.75 | 234.0 | 0.5787 | 0.5849 |
| 0.75 | 246.0 | -0.1618 | 0.6804 |
| 0.75 | 258.0 | -0.794 | 0.6184 |
| 0.75 | 282.0 | 2.2597 | 2.2597 |
| 0.75 | 294.0 | 1.1574 | 0.6137 |
| 0.75 | 306.0 | -0.1656 | 0.6089 |
| 0.85 | 66.0 | 0.4413 | 0.5969 |
| 0.85 | 78.0 | -0.1226 | 0.481 |
| 0.85 | 90.0 | -0.39 | 0.4415 |
| 0.85 | 102.0 | -0.1012 | 0.6356 |
| 0.85 | 174.0 | 0.6522 | 0.7856 |
| 0.85 | 186.0 | 0.0414 | 0.6715 |
| 0.85 | 198.0 | 0.6935 | 0.5952 |
| 0.85 | 210.0 | 0.5035 | 0.5339 |
| 0.85 | 222.0 | 0.3037 | 0.5045 |
| 0.85 | 234.0 | 1.5026 | 0.544 |
| 0.85 | 246.0 | 0.8232 | 0.4675 |
| 0.85 | 258.0 | 1.6484 | 0.7167 |
| 0.85 | 270.0 | 1.7157 | 0.7684 |
| 0.95 | 78.0 | -1.0647 | 0.5283 |
| 0.95 | 90.0 | -0.879 | 0.5731 |
| 0.95 | 174.0 | 0.7841 | 0.7714 |
| 0.95 | 198.0 | 0.2325 | 0.5926 |
| 0.95 | 210.0 | 0.3039 | 0.5368 |
| 0.95 | 222.0 | 0.968 | 0.592 |
| 0.95 | 234.0 | 0.312 | 0.5453 |
| 0.95 | 246.0 | 0.355 | 0.4649 |
| 0.95 | 258.0 | 0.2742 | 0.4959 |
| 0.95 | 270.0 | -0.1016 | 0.4812 |
Experiment comment: