Measurement E151M1063
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.2365 | |
| Q2: | 0.205 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9255 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | 0.4512 | 0.853 |
| 0.05 | 66.0 | 0.5325 | 0.9377 |
| 0.15 | 66.0 | -0.1192 | 0.6725 |
| 0.15 | 282.0 | 0.5095 | 0.8355 |
| 0.15 | 294.0 | 1.8488 | 0.7271 |
| 0.25 | 66.0 | 0.6269 | 0.5894 |
| 0.25 | 78.0 | 1.1937 | 0.8264 |
| 0.25 | 270.0 | 0.4282 | 0.8577 |
| 0.25 | 282.0 | -0.2019 | 0.5443 |
| 0.25 | 294.0 | -0.0609 | 0.6305 |
| 0.25 | 306.0 | 0.1789 | 0.8385 |
| 0.35 | 66.0 | 0.6171 | 0.6205 |
| 0.35 | 78.0 | 0.4557 | 0.7467 |
| 0.35 | 270.0 | 1.8155 | 0.6992 |
| 0.35 | 282.0 | 0.2673 | 0.4891 |
| 0.35 | 294.0 | 0.8955 | 0.5617 |
| 0.35 | 306.0 | -1.1881 | 0.5745 |
| 0.45 | 54.0 | 0.1528 | 0.8078 |
| 0.45 | 66.0 | -1.1245 | 0.603 |
| 0.45 | 78.0 | -1.5767 | 0.6013 |
| 0.45 | 90.0 | -0.0884 | 0.6988 |
| 0.45 | 102.0 | -0.7516 | 0.5742 |
| 0.45 | 114.0 | -0.4551 | 0.7027 |
| 0.45 | 270.0 | -0.3581 | 0.52 |
| 0.45 | 282.0 | -0.1604 | 0.5121 |
| 0.45 | 294.0 | 0.3384 | 0.6066 |
| 0.55 | 54.0 | 0.8613 | 0.7654 |
| 0.55 | 78.0 | -0.0963 | 0.7803 |
| 0.55 | 90.0 | -0.7665 | 0.5846 |
| 0.55 | 102.0 | 0.5805 | 0.5292 |
| 0.55 | 114.0 | -0.8287 | 0.4631 |
| 0.55 | 126.0 | -1.0459 | 0.6141 |
| 0.55 | 234.0 | 1.5482 | 0.9197 |
| 0.55 | 246.0 | 1.6542 | 0.8025 |
| 0.55 | 258.0 | 1.5651 | 0.8779 |
| 0.55 | 270.0 | 1.3321 | 0.6396 |
| 0.55 | 282.0 | 0.5477 | 0.587 |
| 0.55 | 294.0 | 0.2259 | 0.735 |
| 0.55 | 306.0 | 0.2844 | 0.6294 |
| 0.65 | 78.0 | 0.0549 | 0.8268 |
| 0.65 | 90.0 | -0.8504 | 0.3628 |
| 0.65 | 102.0 | 0.8276 | 0.4699 |
| 0.65 | 114.0 | -0.8601 | 0.4268 |
| 0.65 | 126.0 | -0.7755 | 0.436 |
| 0.65 | 138.0 | -0.5566 | 0.6407 |
| 0.65 | 210.0 | 0.6299 | 0.7763 |
| 0.65 | 222.0 | 0.5607 | 0.6466 |
| 0.65 | 234.0 | 1.1497 | 0.5843 |
| 0.65 | 246.0 | 0.454 | 0.5196 |
| 0.65 | 258.0 | 0.2288 | 0.6048 |
| 0.65 | 270.0 | 0.6783 | 0.7293 |
| 0.65 | 294.0 | 0.1214 | 0.4964 |
| 0.65 | 306.0 | -0.7625 | 0.4389 |
| 0.75 | 66.0 | -0.2576 | 0.5767 |
| 0.75 | 78.0 | -0.9904 | 0.5118 |
| 0.75 | 90.0 | -0.2473 | 0.4825 |
| 0.75 | 102.0 | -0.1946 | 0.3874 |
| 0.75 | 114.0 | -0.2079 | 0.3999 |
| 0.75 | 126.0 | -0.0436 | 0.4507 |
| 0.75 | 138.0 | -1.283 | 0.5095 |
| 0.75 | 150.0 | -1.0231 | 0.7027 |
| 0.75 | 174.0 | -0.6498 | 0.797 |
| 0.75 | 186.0 | 0.6089 | 0.8453 |
| 0.75 | 198.0 | 0.1148 | 0.5553 |
| 0.75 | 210.0 | 0.9351 | 0.5827 |
| 0.75 | 222.0 | 0.6692 | 0.5408 |
| 0.75 | 234.0 | 0.3386 | 0.4686 |
| 0.75 | 246.0 | 0.6943 | 0.5007 |
| 0.75 | 258.0 | 0.3828 | 0.5571 |
| 0.75 | 270.0 | 0.2066 | 0.6929 |
| 0.75 | 294.0 | -0.6804 | 0.5375 |
| 0.75 | 306.0 | -0.0494 | 0.7731 |
| 0.85 | 66.0 | -0.7684 | 0.3859 |
| 0.85 | 78.0 | -0.4525 | 0.3818 |
| 0.85 | 90.0 | -2.1042 | 0.3263 |
| 0.85 | 102.0 | -0.28 | 0.5638 |
| 0.85 | 114.0 | -0.8198 | 0.399 |
| 0.85 | 126.0 | -0.898 | 0.448 |
| 0.85 | 138.0 | 0.1632 | 0.6222 |
| 0.85 | 162.0 | -1.0921 | 0.7049 |
| 0.85 | 174.0 | 0.0623 | 0.9103 |
| 0.85 | 186.0 | 0.1166 | 0.6206 |
| 0.85 | 198.0 | 0.6216 | 0.5805 |
| 0.85 | 210.0 | 0.7684 | 0.5651 |
| 0.85 | 222.0 | 0.0015 | 0.4376 |
| 0.85 | 234.0 | 0.9676 | 0.4323 |
| 0.85 | 246.0 | 0.0458 | 0.3503 |
| 0.85 | 258.0 | 0.1986 | 0.4042 |
| 0.85 | 270.0 | 0.2145 | 0.4331 |
| 0.85 | 282.0 | 0.211 | 0.5839 |
| 0.85 | 294.0 | 0.2447 | 0.5971 |
| 0.95 | 66.0 | -0.6501 | 0.5561 |
| 0.95 | 78.0 | -0.2764 | 0.4503 |
| 0.95 | 90.0 | 0.0041 | 0.6279 |
| 0.95 | 150.0 | 0.5635 | 0.8502 |
| 0.95 | 162.0 | -0.6822 | 0.7018 |
| 0.95 | 174.0 | 0.7789 | 0.7244 |
| 0.95 | 186.0 | -0.8515 | 0.4824 |
| 0.95 | 198.0 | 2.7118 | 2.7118 |
| 0.95 | 210.0 | 0.4819 | 0.6009 |
| 0.95 | 222.0 | 1.5626 | 0.4904 |
| 0.95 | 234.0 | 0.607 | 0.4511 |
| 0.95 | 246.0 | 0.3587 | 0.4372 |
| 0.95 | 258.0 | 1.0777 | 0.4168 |
| 0.95 | 270.0 | -0.134 | 0.3625 |
| 0.95 | 282.0 | 1.1896 | 0.4435 |
| 0.95 | 294.0 | -0.214 | 0.3859 |
| 0.95 | 306.0 | 0.94 | 0.5651 |
Experiment comment: