Measurement E151M552
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.2524 | |
| Q2: | 0.101 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9207 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.413 | 0.5594 |
| 0.25 | 78.0 | 0.3273 | 0.6348 |
| 0.25 | 294.0 | -0.0042 | 0.5086 |
| 0.25 | 306.0 | -0.4565 | 0.5777 |
| 0.35 | 66.0 | 0.074 | 0.5142 |
| 0.35 | 78.0 | 0.5588 | 0.6064 |
| 0.35 | 282.0 | -0.2594 | 0.5907 |
| 0.35 | 294.0 | 0.1968 | 0.5469 |
| 0.35 | 306.0 | -0.0109 | 0.5547 |
| 0.45 | 66.0 | -0.4141 | 0.4789 |
| 0.45 | 78.0 | 0.9314 | 0.4997 |
| 0.45 | 90.0 | 0.3265 | 0.7203 |
| 0.45 | 282.0 | -0.2125 | 0.4303 |
| 0.45 | 294.0 | -0.8881 | 0.4244 |
| 0.55 | 66.0 | 0.5832 | 0.5421 |
| 0.55 | 78.0 | 0.2328 | 0.517 |
| 0.55 | 90.0 | 1.4501 | 0.674 |
| 0.55 | 102.0 | 0.0195 | 0.6508 |
| 0.55 | 114.0 | 0.0965 | 0.6622 |
| 0.55 | 246.0 | 0.3806 | 0.7006 |
| 0.55 | 258.0 | 0.3513 | 0.5702 |
| 0.55 | 270.0 | 0.1244 | 0.612 |
| 0.55 | 282.0 | 0.2494 | 0.5631 |
| 0.55 | 294.0 | -0.864 | 0.4642 |
| 0.65 | 66.0 | 0.06 | 0.5515 |
| 0.65 | 78.0 | -0.4037 | 0.6027 |
| 0.65 | 90.0 | 0.5099 | 0.7078 |
| 0.65 | 102.0 | -0.0597 | 0.5352 |
| 0.65 | 114.0 | -0.4978 | 0.4156 |
| 0.65 | 126.0 | 0.039 | 0.6098 |
| 0.65 | 234.0 | 0.1908 | 0.5535 |
| 0.65 | 246.0 | 0.2178 | 0.4969 |
| 0.65 | 258.0 | 0.0133 | 0.463 |
| 0.65 | 270.0 | 0.545 | 0.6381 |
| 0.75 | 90.0 | -0.6399 | 0.5375 |
| 0.75 | 102.0 | -0.4549 | 0.398 |
| 0.75 | 114.0 | -0.2903 | 0.3673 |
| 0.75 | 126.0 | 0.0264 | 0.4465 |
| 0.75 | 138.0 | -0.6565 | 0.4471 |
| 0.75 | 150.0 | 0.7891 | 0.7306 |
| 0.75 | 210.0 | -0.6697 | 0.492 |
| 0.75 | 222.0 | 0.2475 | 0.4766 |
| 0.75 | 234.0 | -0.2614 | 0.4067 |
| 0.75 | 246.0 | 0.4329 | 0.4287 |
| 0.75 | 258.0 | 0.0159 | 0.3619 |
| 0.75 | 270.0 | -0.6602 | 0.462 |
| 0.75 | 282.0 | -0.9981 | 0.5166 |
| 0.85 | 90.0 | 0.6468 | 0.6192 |
| 0.85 | 102.0 | -0.4173 | 0.4381 |
| 0.85 | 114.0 | -0.5414 | 0.3444 |
| 0.85 | 126.0 | 0.0793 | 0.4645 |
| 0.85 | 138.0 | 0.607 | 0.507 |
| 0.85 | 150.0 | 0.3368 | 0.5587 |
| 0.85 | 162.0 | -0.2972 | 0.6812 |
| 0.85 | 210.0 | -0.0914 | 0.5542 |
| 0.85 | 222.0 | 0.0161 | 0.4942 |
| 0.85 | 234.0 | 0.1967 | 0.4445 |
| 0.85 | 246.0 | -0.0876 | 0.3723 |
| 0.85 | 258.0 | -0.2288 | 0.3564 |
| 0.85 | 270.0 | 0.5866 | 0.484 |
| 0.85 | 282.0 | -0.1295 | 0.4471 |
| 0.95 | 90.0 | -0.7409 | 0.5037 |
| 0.95 | 102.0 | 1.0795 | 0.654 |
| 0.95 | 114.0 | -0.4727 | 0.5458 |
| 0.95 | 126.0 | 0.5188 | 0.6767 |
| 0.95 | 222.0 | 0.4295 | 0.4722 |
| 0.95 | 234.0 | 0.0747 | 0.4235 |
| 0.95 | 246.0 | 0.3067 | 0.4 |
| 0.95 | 258.0 | 0.1797 | 0.4129 |
| 0.95 | 270.0 | -0.4243 | 0.3518 |
Experiment comment: