Measurement E151M1051
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.2665 | |
| Q2: | 0.205 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9328 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -0.805 | 0.5899 |
| 0.05 | 66.0 | 0.676 | 0.7936 |
| 0.05 | 294.0 | 1.3107 | 0.9197 |
| 0.05 | 306.0 | -1.1634 | 0.5353 |
| 0.15 | 54.0 | 0.8333 | 0.6667 |
| 0.15 | 66.0 | 1.4078 | 0.5964 |
| 0.15 | 78.0 | 0.4003 | 0.7316 |
| 0.15 | 282.0 | 0.4886 | 0.7756 |
| 0.15 | 294.0 | 0.7218 | 0.6235 |
| 0.15 | 306.0 | 0.6569 | 0.642 |
| 0.25 | 54.0 | -0.3063 | 0.5216 |
| 0.25 | 66.0 | -0.6243 | 0.4214 |
| 0.25 | 78.0 | -0.7871 | 0.5041 |
| 0.25 | 282.0 | -0.0172 | 0.4824 |
| 0.25 | 294.0 | -0.0824 | 0.4403 |
| 0.25 | 306.0 | -0.6357 | 0.4723 |
| 0.35 | 54.0 | -1.2395 | 0.554 |
| 0.35 | 66.0 | -0.428 | 0.5235 |
| 0.35 | 78.0 | -0.8112 | 0.455 |
| 0.35 | 90.0 | 0.2773 | 0.8288 |
| 0.35 | 270.0 | 0.0543 | 0.4943 |
| 0.35 | 282.0 | -0.39 | 0.3559 |
| 0.35 | 294.0 | -0.7372 | 0.376 |
| 0.35 | 306.0 | 0.4965 | 0.713 |
| 0.45 | 54.0 | -0.5085 | 0.5809 |
| 0.45 | 66.0 | -0.9195 | 0.4571 |
| 0.45 | 78.0 | -0.3242 | 0.5844 |
| 0.45 | 90.0 | 0.1128 | 0.6111 |
| 0.45 | 102.0 | -0.4274 | 0.6097 |
| 0.45 | 114.0 | -0.2962 | 0.7171 |
| 0.45 | 258.0 | 0.6397 | 0.7945 |
| 0.45 | 270.0 | -0.2078 | 0.4459 |
| 0.45 | 282.0 | 0.3315 | 0.4271 |
| 0.45 | 294.0 | -0.4006 | 0.4172 |
| 0.45 | 306.0 | -0.0017 | 0.6696 |
| 0.55 | 54.0 | -0.0575 | 0.6358 |
| 0.55 | 78.0 | -0.0373 | 0.6183 |
| 0.55 | 90.0 | -0.5874 | 0.4362 |
| 0.55 | 102.0 | -0.1842 | 0.4155 |
| 0.55 | 114.0 | 0.5101 | 0.5229 |
| 0.55 | 126.0 | -0.7038 | 0.6648 |
| 0.55 | 234.0 | 1.8937 | 0.8561 |
| 0.55 | 246.0 | -0.1701 | 0.567 |
| 0.55 | 258.0 | 0.7106 | 0.6892 |
| 0.55 | 270.0 | 0.8671 | 0.5919 |
| 0.55 | 282.0 | 0.36 | 0.4465 |
| 0.55 | 294.0 | -0.2136 | 0.6505 |
| 0.55 | 306.0 | 0.9774 | 0.4619 |
| 0.55 | 318.0 | -1.1557 | 0.5587 |
| 0.65 | 66.0 | 0.6015 | 0.8651 |
| 0.65 | 78.0 | -0.8485 | 0.4697 |
| 0.65 | 90.0 | -0.3638 | 0.3792 |
| 0.65 | 102.0 | -0.5748 | 0.3313 |
| 0.65 | 114.0 | -0.4244 | 0.3853 |
| 0.65 | 126.0 | -1.332 | 0.3519 |
| 0.65 | 138.0 | -0.914 | 0.5773 |
| 0.65 | 210.0 | 0.8546 | 0.7472 |
| 0.65 | 222.0 | 1.368 | 0.6451 |
| 0.65 | 234.0 | 0.4888 | 0.4994 |
| 0.65 | 246.0 | 1.299 | 0.5499 |
| 0.65 | 258.0 | 0.6538 | 0.5863 |
| 0.65 | 270.0 | 0.4606 | 0.5885 |
| 0.65 | 282.0 | -0.4795 | 0.4953 |
| 0.65 | 294.0 | 0.877 | 0.5346 |
| 0.65 | 306.0 | 0.7334 | 0.6111 |
| 0.75 | 66.0 | -0.1431 | 0.4425 |
| 0.75 | 78.0 | -0.0301 | 0.541 |
| 0.75 | 90.0 | -0.6774 | 0.3422 |
| 0.75 | 102.0 | -0.987 | 0.2599 |
| 0.75 | 114.0 | -0.5505 | 0.3377 |
| 0.75 | 126.0 | -0.5346 | 0.3853 |
| 0.75 | 138.0 | -0.999 | 0.4092 |
| 0.75 | 150.0 | -0.7177 | 0.6656 |
| 0.75 | 186.0 | 1.6634 | 0.7725 |
| 0.75 | 198.0 | 0.8439 | 0.6409 |
| 0.75 | 210.0 | 0.6984 | 0.5884 |
| 0.75 | 222.0 | 1.3312 | 0.518 |
| 0.75 | 234.0 | -0.2526 | 0.3825 |
| 0.75 | 246.0 | -0.1072 | 0.3756 |
| 0.75 | 258.0 | 0.8227 | 0.4729 |
| 0.75 | 270.0 | 0.6672 | 0.4349 |
| 0.75 | 282.0 | -0.4632 | 0.6778 |
| 0.75 | 294.0 | -0.0046 | 0.4939 |
| 0.85 | 66.0 | -0.1802 | 0.3718 |
| 0.85 | 78.0 | -0.1002 | 0.3707 |
| 0.85 | 90.0 | 0.961 | 0.7246 |
| 0.85 | 102.0 | -0.2696 | 0.3914 |
| 0.85 | 114.0 | -0.4466 | 0.3805 |
| 0.85 | 126.0 | -1.175 | 0.3178 |
| 0.85 | 138.0 | -0.4018 | 0.5163 |
| 0.85 | 150.0 | -1.6888 | 0.4983 |
| 0.85 | 162.0 | -1.3382 | 0.5516 |
| 0.85 | 186.0 | -0.1876 | 0.5553 |
| 0.85 | 198.0 | -0.235 | 0.5092 |
| 0.85 | 210.0 | 0.3911 | 0.423 |
| 0.85 | 222.0 | 0.713 | 0.4247 |
| 0.85 | 234.0 | 0.1067 | 0.3695 |
| 0.85 | 246.0 | 0.1177 | 0.3353 |
| 0.85 | 258.0 | 0.3 | 0.338 |
| 0.85 | 270.0 | 0.0633 | 0.3715 |
| 0.85 | 282.0 | -0.0127 | 0.4158 |
| 0.85 | 294.0 | -0.4259 | 0.422 |
| 0.95 | 66.0 | -0.62 | 0.3743 |
| 0.95 | 78.0 | -0.4001 | 0.4431 |
| 0.95 | 90.0 | -0.8725 | 0.4768 |
| 0.95 | 126.0 | -0.7876 | 0.5564 |
| 0.95 | 138.0 | -0.1818 | 0.6795 |
| 0.95 | 150.0 | -0.7843 | 0.6406 |
| 0.95 | 174.0 | 1.5875 | 0.7715 |
| 0.95 | 186.0 | 0.4644 | 0.6449 |
| 0.95 | 198.0 | 1.9083 | 0.628 |
| 0.95 | 210.0 | 0.5111 | 0.4977 |
| 0.95 | 222.0 | 0.2716 | 0.4346 |
| 0.95 | 234.0 | 0.7151 | 0.4351 |
| 0.95 | 246.0 | 0.6384 | 0.4224 |
| 0.95 | 258.0 | 0.3554 | 0.3757 |
| 0.95 | 270.0 | 0.2377 | 0.3475 |
| 0.95 | 282.0 | 0.1496 | 0.3425 |
| 0.95 | 294.0 | -0.1151 | 0.3031 |
| 0.95 | 306.0 | -0.1576 | 0.4183 |
Experiment comment: