Measurement E151M1743
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.3049 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.944 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.15 | 294.0 | 0.7226 | 0.6799 |
| 0.15 | 306.0 | -0.429 | 0.5137 |
| 0.25 | 66.0 | -0.4155 | 0.6157 |
| 0.25 | 78.0 | -0.3664 | 0.6484 |
| 0.25 | 294.0 | -0.4987 | 0.5192 |
| 0.25 | 306.0 | -0.3137 | 0.5846 |
| 0.35 | 66.0 | 0.7833 | 0.4706 |
| 0.35 | 78.0 | 0.4961 | 0.5041 |
| 0.35 | 282.0 | 0.581 | 0.6249 |
| 0.35 | 294.0 | -0.1998 | 0.4781 |
| 0.35 | 306.0 | -0.5365 | 0.4561 |
| 0.45 | 66.0 | 0.1629 | 0.519 |
| 0.45 | 78.0 | -0.5739 | 0.4012 |
| 0.45 | 90.0 | -0.1959 | 0.5449 |
| 0.45 | 282.0 | 0.1884 | 0.546 |
| 0.45 | 294.0 | 0.3326 | 0.4458 |
| 0.45 | 306.0 | 0.2337 | 0.6589 |
| 0.55 | 66.0 | 0.1529 | 0.5634 |
| 0.55 | 78.0 | -0.1181 | 0.423 |
| 0.55 | 90.0 | -0.0208 | 0.5804 |
| 0.55 | 258.0 | -0.1644 | 0.5879 |
| 0.55 | 270.0 | 0.2042 | 0.5505 |
| 0.55 | 282.0 | -0.0822 | 0.5567 |
| 0.55 | 294.0 | 0.4586 | 0.5704 |
| 0.65 | 66.0 | 0.7365 | 0.7297 |
| 0.65 | 78.0 | -0.1532 | 0.5483 |
| 0.65 | 90.0 | -0.9218 | 0.5513 |
| 0.65 | 102.0 | 0.5326 | 0.5594 |
| 0.65 | 114.0 | -1.495 | 0.5082 |
| 0.65 | 126.0 | 0.1098 | 0.646 |
| 0.65 | 234.0 | -0.4087 | 0.651 |
| 0.65 | 246.0 | 0.0298 | 0.5675 |
| 0.65 | 258.0 | 0.3739 | 0.4283 |
| 0.65 | 270.0 | 0.2187 | 0.4107 |
| 0.65 | 282.0 | 0.5114 | 0.4904 |
| 0.75 | 90.0 | 0.3451 | 0.6361 |
| 0.75 | 102.0 | -0.0194 | 0.5087 |
| 0.75 | 114.0 | -0.4165 | 0.4256 |
| 0.75 | 126.0 | 0.1291 | 0.4214 |
| 0.75 | 138.0 | -0.5605 | 0.5967 |
| 0.75 | 210.0 | 0.3984 | 0.7728 |
| 0.75 | 222.0 | -0.4643 | 0.5813 |
| 0.75 | 234.0 | -0.1755 | 0.4566 |
| 0.75 | 246.0 | -0.5306 | 0.3995 |
| 0.75 | 258.0 | -0.3484 | 0.3851 |
| 0.75 | 270.0 | 0.6199 | 0.3976 |
| 0.75 | 282.0 | -0.3216 | 0.511 |
| 0.85 | 90.0 | 1.2515 | 0.4777 |
| 0.85 | 102.0 | -0.4909 | 0.4473 |
| 0.85 | 114.0 | -0.0581 | 0.3699 |
| 0.85 | 126.0 | 0.6399 | 0.3826 |
| 0.85 | 138.0 | 0.0253 | 0.4103 |
| 0.85 | 150.0 | 0.1063 | 0.499 |
| 0.85 | 162.0 | 0.3737 | 0.6186 |
| 0.85 | 198.0 | -0.5541 | 0.7549 |
| 0.85 | 210.0 | -0.2609 | 0.6618 |
| 0.85 | 222.0 | 1.4075 | 0.3834 |
| 0.85 | 234.0 | -0.0579 | 0.4349 |
| 0.85 | 246.0 | 0.512 | 0.3559 |
| 0.85 | 258.0 | 0.221 | 0.3436 |
| 0.85 | 270.0 | 0.1552 | 0.3738 |
| 0.85 | 282.0 | 0.7619 | 0.4822 |
| 0.95 | 114.0 | 0.1222 | 0.5275 |
| 0.95 | 126.0 | 0.257 | 0.4547 |
| 0.95 | 138.0 | 0.3187 | 0.496 |
| 0.95 | 150.0 | -0.2094 | 0.5116 |
| 0.95 | 162.0 | 1.4884 | 0.4362 |
| 0.95 | 174.0 | 0.545 | 0.6427 |
| 0.95 | 210.0 | 0.1776 | 0.6586 |
| 0.95 | 222.0 | 0.8843 | 0.4744 |
| 0.95 | 234.0 | 0.181 | 0.4401 |
| 0.95 | 246.0 | -0.2204 | 0.4612 |
| 0.95 | 258.0 | 0.9022 | 0.4031 |
| 0.95 | 270.0 | -0.1159 | 0.4588 |
Experiment comment: