Measurement E151M626
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.0765 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.864 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | 0.9434 | 1.0087 |
| 0.25 | 66.0 | -1.0963 | 0.5357 |
| 0.25 | 78.0 | -0.3717 | 0.5535 |
| 0.25 | 282.0 | -0.109 | 0.6167 |
| 0.25 | 294.0 | -0.2453 | 0.6642 |
| 0.25 | 306.0 | -0.9132 | 0.6005 |
| 0.35 | 18.0 | 0.0661 | 0.6871 |
| 0.35 | 66.0 | 0.8727 | 0.5651 |
| 0.35 | 78.0 | 0.8268 | 0.6089 |
| 0.35 | 90.0 | -0.5942 | 0.5859 |
| 0.35 | 270.0 | 0.474 | 0.554 |
| 0.35 | 282.0 | -0.2298 | 0.4863 |
| 0.35 | 294.0 | -0.3988 | 0.5132 |
| 0.35 | 306.0 | 0.2178 | 0.6699 |
| 0.35 | 330.0 | 0.0184 | 0.7289 |
| 0.45 | 66.0 | 0.3163 | 0.6247 |
| 0.45 | 78.0 | -0.4703 | 0.5275 |
| 0.45 | 90.0 | -0.2429 | 0.5193 |
| 0.45 | 102.0 | 0.0086 | 0.6521 |
| 0.45 | 114.0 | 0.2851 | 0.8054 |
| 0.45 | 126.0 | -0.7897 | 0.5529 |
| 0.45 | 138.0 | -0.5961 | 0.6362 |
| 0.45 | 222.0 | -0.1631 | 0.7098 |
| 0.45 | 258.0 | 0.9316 | 0.755 |
| 0.45 | 270.0 | 0.3855 | 0.473 |
| 0.45 | 282.0 | 0.8198 | 0.5104 |
| 0.45 | 294.0 | 0.4632 | 0.6356 |
| 0.45 | 306.0 | -0.7028 | 0.6657 |
| 0.45 | 318.0 | -1.1849 | 0.5784 |
| 0.55 | 78.0 | 0.3446 | 0.5594 |
| 0.55 | 90.0 | 0.431 | 0.5671 |
| 0.55 | 102.0 | -0.1013 | 0.684 |
| 0.55 | 114.0 | -0.0272 | 0.5264 |
| 0.55 | 126.0 | -1.3991 | 0.4222 |
| 0.55 | 138.0 | -0.2664 | 0.5528 |
| 0.55 | 150.0 | 0.0379 | 0.6499 |
| 0.55 | 210.0 | 1.3913 | 0.6842 |
| 0.55 | 222.0 | -0.1606 | 0.5738 |
| 0.55 | 234.0 | 1.8056 | 0.5632 |
| 0.55 | 246.0 | -0.5123 | 0.5686 |
| 0.55 | 258.0 | 1.5113 | 0.5705 |
| 0.55 | 270.0 | -0.189 | 0.3902 |
| 0.55 | 282.0 | 0.0508 | 0.4828 |
| 0.55 | 294.0 | -1.5224 | 0.4622 |
| 0.65 | 54.0 | 1.0442 | 0.6665 |
| 0.65 | 66.0 | -0.0782 | 0.5564 |
| 0.65 | 78.0 | 0.5403 | 0.7734 |
| 0.65 | 102.0 | 0.4603 | 0.648 |
| 0.65 | 114.0 | -0.9483 | 0.3846 |
| 0.65 | 126.0 | -0.6554 | 0.4546 |
| 0.65 | 138.0 | -0.9338 | 0.4096 |
| 0.65 | 150.0 | -0.7926 | 0.5908 |
| 0.65 | 198.0 | 1.3469 | 0.7795 |
| 0.65 | 210.0 | 0.0761 | 0.5469 |
| 0.65 | 222.0 | 0.5345 | 0.5108 |
| 0.65 | 234.0 | 0.6439 | 0.5237 |
| 0.65 | 246.0 | 0.5461 | 0.593 |
| 0.65 | 258.0 | 1.1491 | 0.5933 |
| 0.65 | 270.0 | 0.8781 | 0.6868 |
| 0.65 | 282.0 | 1.267 | 0.6154 |
| 0.65 | 294.0 | 0.2182 | 0.5565 |
| 0.65 | 306.0 | 1.2548 | 0.748 |
| 0.75 | 66.0 | 0.0821 | 0.5717 |
| 0.75 | 78.0 | -0.095 | 0.6009 |
| 0.75 | 102.0 | -1.131 | 0.5798 |
| 0.75 | 114.0 | -0.5675 | 0.478 |
| 0.75 | 126.0 | -1.2371 | 0.3482 |
| 0.75 | 138.0 | -1.2618 | 0.3808 |
| 0.75 | 150.0 | -1.1024 | 0.5484 |
| 0.75 | 186.0 | 0.2212 | 0.7985 |
| 0.75 | 198.0 | 0.0465 | 0.5989 |
| 0.75 | 210.0 | 0.1656 | 0.4976 |
| 0.75 | 222.0 | 1.2046 | 0.4952 |
| 0.75 | 234.0 | 0.4279 | 0.4403 |
| 0.75 | 246.0 | 0.8947 | 0.4387 |
| 0.75 | 258.0 | -0.3253 | 0.5392 |
| 0.75 | 270.0 | 0.2062 | 0.6458 |
| 0.75 | 282.0 | -0.5583 | 0.3924 |
| 0.75 | 294.0 | 0.0112 | 0.5198 |
| 0.85 | 90.0 | 0.3209 | 0.8391 |
| 0.85 | 102.0 | 0.6014 | 0.6051 |
| 0.85 | 114.0 | -0.3593 | 0.5041 |
| 0.85 | 126.0 | 0.2898 | 0.6067 |
| 0.85 | 138.0 | -1.194 | 0.5488 |
| 0.85 | 198.0 | 0.6886 | 0.6649 |
| 0.85 | 210.0 | 0.7078 | 0.5253 |
| 0.85 | 222.0 | 0.1414 | 0.4545 |
| 0.85 | 234.0 | 0.98 | 0.4462 |
| 0.85 | 246.0 | 0.3906 | 0.4772 |
| 0.85 | 258.0 | 0.0677 | 0.6418 |
| 0.85 | 282.0 | 0.1819 | 0.6454 |
| 0.95 | 126.0 | -1.1187 | 0.5513 |
| 0.95 | 198.0 | -0.3278 | 0.5645 |
| 0.95 | 210.0 | 1.4572 | 0.6943 |
| 0.95 | 222.0 | 1.0825 | 0.5601 |
| 0.95 | 234.0 | 0.4152 | 0.4894 |
| 0.95 | 246.0 | 0.5103 | 0.6983 |
| 0.95 | 258.0 | 1.8152 | 0.6509 |
Experiment comment: