Measurement E151M579
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.0858 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9154 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | 0.3304 | 0.7091 |
| 0.15 | 42.0 | 0.7682 | 0.7793 |
| 0.25 | 30.0 | -0.0501 | 0.6669 |
| 0.25 | 42.0 | 1.5331 | 0.7945 |
| 0.25 | 54.0 | 0.3294 | 0.6812 |
| 0.25 | 66.0 | 0.9641 | 0.627 |
| 0.25 | 78.0 | 0.6789 | 0.6291 |
| 0.25 | 282.0 | -0.3072 | 0.5446 |
| 0.25 | 294.0 | -0.5325 | 0.4139 |
| 0.25 | 306.0 | -0.5889 | 0.5565 |
| 0.25 | 318.0 | -0.4234 | 0.5822 |
| 0.25 | 330.0 | 0.1988 | 0.6946 |
| 0.35 | 30.0 | 0.0532 | 0.5695 |
| 0.35 | 54.0 | 0.2431 | 0.6261 |
| 0.35 | 66.0 | -0.2425 | 0.3636 |
| 0.35 | 78.0 | 0.4024 | 0.4036 |
| 0.35 | 90.0 | 0.4652 | 0.5324 |
| 0.35 | 270.0 | 0.4738 | 0.555 |
| 0.35 | 282.0 | 0.3419 | 0.4315 |
| 0.35 | 294.0 | 0.1051 | 0.3747 |
| 0.35 | 306.0 | -0.4822 | 0.5675 |
| 0.35 | 330.0 | 0.3486 | 0.6674 |
| 0.45 | 18.0 | -0.2686 | 0.6002 |
| 0.45 | 30.0 | 0.7387 | 0.6916 |
| 0.45 | 42.0 | 0.9549 | 0.7052 |
| 0.45 | 66.0 | 0.9386 | 0.504 |
| 0.45 | 78.0 | 0.8385 | 0.3838 |
| 0.45 | 90.0 | -0.1461 | 0.3928 |
| 0.45 | 102.0 | 0.6799 | 0.583 |
| 0.45 | 114.0 | -0.8918 | 0.6211 |
| 0.45 | 258.0 | -0.1136 | 0.5243 |
| 0.45 | 270.0 | 0.5735 | 0.3744 |
| 0.45 | 282.0 | -0.2469 | 0.301 |
| 0.45 | 294.0 | 0.1258 | 0.3826 |
| 0.45 | 306.0 | -0.6696 | 0.5087 |
| 0.45 | 318.0 | -0.7715 | 0.6224 |
| 0.45 | 330.0 | -1.3206 | 0.461 |
| 0.55 | 66.0 | 1.1752 | 0.5356 |
| 0.55 | 78.0 | 0.5765 | 0.3837 |
| 0.55 | 90.0 | 0.1857 | 0.4002 |
| 0.55 | 102.0 | 0.2298 | 0.4831 |
| 0.55 | 114.0 | -0.6907 | 0.4923 |
| 0.55 | 126.0 | -0.0111 | 0.4538 |
| 0.55 | 138.0 | 0.685 | 0.603 |
| 0.55 | 150.0 | -0.4891 | 0.6002 |
| 0.55 | 198.0 | 0.7055 | 0.7772 |
| 0.55 | 210.0 | 0.0377 | 0.66 |
| 0.55 | 222.0 | 0.4254 | 0.6014 |
| 0.55 | 234.0 | 0.7571 | 0.5558 |
| 0.55 | 246.0 | -0.7596 | 0.4694 |
| 0.55 | 258.0 | 0.3366 | 0.5168 |
| 0.55 | 270.0 | 0.135 | 0.3521 |
| 0.55 | 282.0 | 0.1488 | 0.3535 |
| 0.55 | 294.0 | -0.2216 | 0.3808 |
| 0.65 | 66.0 | 1.1123 | 0.5277 |
| 0.65 | 78.0 | 0.4762 | 0.552 |
| 0.65 | 90.0 | 0.1162 | 0.5585 |
| 0.65 | 102.0 | -0.0816 | 0.4614 |
| 0.65 | 114.0 | -0.012 | 0.4094 |
| 0.65 | 126.0 | -0.6846 | 0.3636 |
| 0.65 | 138.0 | 0.0074 | 0.4511 |
| 0.65 | 150.0 | 0.297 | 0.6046 |
| 0.65 | 162.0 | -0.5406 | 0.6358 |
| 0.65 | 198.0 | 0.5943 | 0.6645 |
| 0.65 | 210.0 | 0.406 | 0.5463 |
| 0.65 | 222.0 | 0.3438 | 0.4813 |
| 0.65 | 234.0 | 0.5925 | 0.3694 |
| 0.65 | 246.0 | -0.6179 | 0.3822 |
| 0.65 | 258.0 | 0.8463 | 0.4491 |
| 0.65 | 270.0 | -0.3873 | 0.3524 |
| 0.65 | 282.0 | 0.0577 | 0.4646 |
| 0.65 | 294.0 | 1.1543 | 0.5538 |
| 0.65 | 306.0 | -0.3062 | 0.5842 |
| 0.75 | 66.0 | 0.1448 | 0.6234 |
| 0.75 | 78.0 | 0.3029 | 0.5136 |
| 0.75 | 102.0 | -0.076 | 0.5171 |
| 0.75 | 114.0 | -0.3885 | 0.3698 |
| 0.75 | 126.0 | -0.3109 | 0.3582 |
| 0.75 | 138.0 | -0.5797 | 0.3628 |
| 0.75 | 150.0 | -0.1768 | 0.4612 |
| 0.75 | 162.0 | 0.0073 | 0.7334 |
| 0.75 | 186.0 | 0.4536 | 0.7369 |
| 0.75 | 198.0 | 0.3858 | 0.6305 |
| 0.75 | 210.0 | 0.6269 | 0.4583 |
| 0.75 | 222.0 | 0.7562 | 0.372 |
| 0.75 | 234.0 | 0.1106 | 0.3641 |
| 0.75 | 246.0 | 0.1203 | 0.3335 |
| 0.75 | 258.0 | -0.2471 | 0.4582 |
| 0.75 | 270.0 | 0.5381 | 0.614 |
| 0.75 | 282.0 | -0.2325 | 0.4481 |
| 0.75 | 294.0 | -0.0464 | 0.5046 |
| 0.85 | 90.0 | -1.132 | 0.4955 |
| 0.85 | 102.0 | -0.9549 | 0.4543 |
| 0.85 | 114.0 | -1.4619 | 0.3898 |
| 0.85 | 126.0 | -0.7122 | 0.4507 |
| 0.85 | 138.0 | -0.0675 | 0.5351 |
| 0.85 | 150.0 | -0.5732 | 0.6766 |
| 0.85 | 186.0 | 0.1541 | 0.7492 |
| 0.85 | 198.0 | 0.0434 | 0.5483 |
| 0.85 | 210.0 | 0.6046 | 0.45 |
| 0.85 | 222.0 | 0.6021 | 0.4342 |
| 0.85 | 234.0 | 1.0516 | 0.4117 |
| 0.85 | 246.0 | 0.0984 | 0.4281 |
| 0.85 | 258.0 | -0.4808 | 0.368 |
| 0.85 | 270.0 | 1.2554 | 0.5329 |
| 0.95 | 210.0 | 0.5979 | 0.6776 |
| 0.95 | 222.0 | 0.0857 | 0.5418 |
| 0.95 | 234.0 | 0.6656 | 0.5187 |
| 0.95 | 246.0 | 0.6503 | 0.5878 |
Experiment comment: