Measurement E151M1015
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.3899 | |
| Q2: | 0.205 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9509 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.05 | 66.0 | -0.6045 | 0.5561 |
| 0.05 | 306.0 | -0.3583 | 0.6359 |
| 0.15 | 54.0 | 0.8709 | 0.655 |
| 0.15 | 66.0 | 0.3176 | 0.5483 |
| 0.15 | 78.0 | -1.4934 | 0.556 |
| 0.15 | 294.0 | 0.4859 | 0.577 |
| 0.15 | 306.0 | 0.155 | 0.5868 |
| 0.25 | 54.0 | 0.2347 | 0.7237 |
| 0.25 | 66.0 | 1.1324 | 0.5675 |
| 0.25 | 78.0 | -0.0105 | 0.6017 |
| 0.25 | 282.0 | 0.6418 | 0.6285 |
| 0.25 | 294.0 | -0.2731 | 0.4514 |
| 0.25 | 306.0 | -0.6105 | 0.4298 |
| 0.35 | 54.0 | -0.2133 | 0.7701 |
| 0.35 | 66.0 | 1.5703 | 0.5921 |
| 0.35 | 78.0 | 0.0718 | 0.616 |
| 0.35 | 282.0 | -0.2271 | 0.4581 |
| 0.35 | 294.0 | -0.2865 | 0.4525 |
| 0.35 | 306.0 | -0.7739 | 0.4854 |
| 0.45 | 54.0 | 0.5916 | 0.6377 |
| 0.45 | 66.0 | -0.3584 | 0.5578 |
| 0.45 | 78.0 | 0.1857 | 0.646 |
| 0.45 | 90.0 | -0.4877 | 0.6804 |
| 0.45 | 102.0 | 0.3855 | 0.8603 |
| 0.45 | 270.0 | -0.425 | 0.593 |
| 0.45 | 282.0 | 1.0093 | 0.6304 |
| 0.45 | 294.0 | -0.1513 | 0.4288 |
| 0.55 | 54.0 | 0.0984 | 0.758 |
| 0.55 | 66.0 | 0.8605 | 0.7028 |
| 0.55 | 78.0 | 1.178 | 0.8191 |
| 0.55 | 90.0 | -0.6587 | 0.4351 |
| 0.55 | 102.0 | 0.2714 | 0.5072 |
| 0.55 | 114.0 | 0.4994 | 0.6553 |
| 0.55 | 258.0 | -0.963 | 0.5996 |
| 0.55 | 270.0 | 0.4335 | 0.6554 |
| 0.55 | 282.0 | -0.2728 | 0.4653 |
| 0.55 | 294.0 | -0.5485 | 0.5472 |
| 0.55 | 306.0 | -0.4386 | 0.4884 |
| 0.65 | 66.0 | 1.019 | 0.9249 |
| 0.65 | 78.0 | 0.3229 | 0.5068 |
| 0.65 | 90.0 | 0.461 | 0.3692 |
| 0.65 | 102.0 | -0.2646 | 0.383 |
| 0.65 | 114.0 | 0.0004 | 0.4112 |
| 0.65 | 126.0 | 0.012 | 0.5471 |
| 0.65 | 234.0 | -0.1799 | 0.7697 |
| 0.65 | 246.0 | -0.0569 | 0.4628 |
| 0.65 | 258.0 | 0.1295 | 0.4759 |
| 0.65 | 270.0 | 0.2047 | 0.4882 |
| 0.65 | 282.0 | -0.3061 | 0.4771 |
| 0.65 | 294.0 | -0.7966 | 0.6439 |
| 0.65 | 306.0 | 0.1459 | 0.6633 |
| 0.75 | 54.0 | 0.5609 | 0.859 |
| 0.75 | 66.0 | 0.2711 | 0.595 |
| 0.75 | 78.0 | -0.1593 | 0.3701 |
| 0.75 | 90.0 | -0.0092 | 0.3166 |
| 0.75 | 102.0 | 0.1563 | 0.357 |
| 0.75 | 114.0 | 0.1477 | 0.4466 |
| 0.75 | 126.0 | 0.0171 | 0.4353 |
| 0.75 | 138.0 | -0.2316 | 0.6196 |
| 0.75 | 210.0 | 0.226 | 0.7887 |
| 0.75 | 222.0 | 0.166 | 0.4851 |
| 0.75 | 234.0 | -0.0454 | 0.447 |
| 0.75 | 246.0 | -0.2699 | 0.352 |
| 0.75 | 258.0 | -0.3861 | 0.3497 |
| 0.75 | 270.0 | -0.4362 | 0.3511 |
| 0.75 | 282.0 | 0.1841 | 0.4605 |
| 0.75 | 294.0 | 0.1832 | 0.6284 |
| 0.85 | 54.0 | -0.4587 | 0.5106 |
| 0.85 | 66.0 | 0.6048 | 0.4483 |
| 0.85 | 78.0 | 0.0764 | 0.689 |
| 0.85 | 90.0 | 0.2812 | 0.3986 |
| 0.85 | 102.0 | 0.1179 | 0.3586 |
| 0.85 | 114.0 | -0.2868 | 0.3583 |
| 0.85 | 126.0 | 0.7837 | 0.4374 |
| 0.85 | 138.0 | 0.1268 | 0.5959 |
| 0.85 | 150.0 | -0.8586 | 0.6306 |
| 0.85 | 174.0 | -0.1311 | 0.8049 |
| 0.85 | 186.0 | 0.9278 | 0.8775 |
| 0.85 | 198.0 | 0.0553 | 0.547 |
| 0.85 | 210.0 | 0.7307 | 0.5775 |
| 0.85 | 222.0 | 0.1674 | 0.4622 |
| 0.85 | 234.0 | 0.1446 | 0.3659 |
| 0.85 | 246.0 | 0.5382 | 0.362 |
| 0.85 | 258.0 | 0.0388 | 0.2892 |
| 0.85 | 270.0 | 0.4012 | 0.3282 |
| 0.85 | 282.0 | 0.371 | 0.3885 |
| 0.85 | 294.0 | 0.339 | 0.4376 |
| 0.85 | 306.0 | -0.1864 | 0.5039 |
| 0.95 | 54.0 | 0.397 | 0.7429 |
| 0.95 | 66.0 | 0.6384 | 0.5412 |
| 0.95 | 90.0 | -0.7225 | 0.5425 |
| 0.95 | 102.0 | 0.5289 | 0.5501 |
| 0.95 | 114.0 | 0.2114 | 0.4716 |
| 0.95 | 126.0 | -0.4013 | 0.4727 |
| 0.95 | 138.0 | -0.249 | 0.5456 |
| 0.95 | 150.0 | -0.7687 | 0.623 |
| 0.95 | 162.0 | 0.4368 | 0.7937 |
| 0.95 | 174.0 | -0.5857 | 0.5821 |
| 0.95 | 186.0 | 0.3288 | 0.6041 |
| 0.95 | 198.0 | -1.0173 | 0.5074 |
| 0.95 | 210.0 | -0.0335 | 0.5046 |
| 0.95 | 222.0 | -0.09 | 0.4291 |
| 0.95 | 234.0 | 0.0534 | 0.4171 |
| 0.95 | 246.0 | -0.2934 | 0.3523 |
| 0.95 | 258.0 | -0.2909 | 0.3161 |
| 0.95 | 270.0 | -0.3938 | 0.3137 |
| 0.95 | 282.0 | 0.2378 | 0.3464 |
| 0.95 | 294.0 | -0.5497 | 0.2811 |
| 0.95 | 306.0 | -0.356 | 0.3582 |
| 0.95 | 318.0 | -0.6055 | 0.4589 |
| 0.95 | 330.0 | 0.8304 | 0.7957 |
Experiment comment: