Measurement E151M818
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.1213 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9327 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | 0.0928 | 0.4627 |
| 0.25 | 66.0 | 0.4139 | 0.4019 |
| 0.25 | 78.0 | 0.5239 | 0.4522 |
| 0.25 | 282.0 | -0.0205 | 0.5052 |
| 0.25 | 294.0 | -0.5408 | 0.3598 |
| 0.35 | 66.0 | 0.4705 | 0.3702 |
| 0.35 | 78.0 | -0.079 | 0.3734 |
| 0.35 | 90.0 | 0.1247 | 0.5767 |
| 0.35 | 270.0 | 0.3004 | 0.4448 |
| 0.35 | 282.0 | -0.3866 | 0.3471 |
| 0.35 | 294.0 | -0.5411 | 0.3137 |
| 0.35 | 306.0 | -0.4705 | 0.4557 |
| 0.45 | 66.0 | 0.0324 | 0.3739 |
| 0.45 | 78.0 | 0.2104 | 0.3527 |
| 0.45 | 90.0 | -0.5951 | 0.3691 |
| 0.45 | 114.0 | 0.7184 | 0.6165 |
| 0.45 | 258.0 | 0.8689 | 0.5647 |
| 0.45 | 270.0 | -0.203 | 0.3411 |
| 0.45 | 282.0 | -0.1444 | 0.3095 |
| 0.45 | 294.0 | -0.0107 | 0.3281 |
| 0.55 | 66.0 | 0.3772 | 0.8006 |
| 0.55 | 78.0 | -0.5799 | 0.6864 |
| 0.55 | 90.0 | 1.7053 | 0.886 |
| 0.55 | 102.0 | 0.615 | 0.9166 |
| 0.55 | 114.0 | 0.358 | 0.8462 |
| 0.55 | 126.0 | -0.4467 | 0.8748 |
| 0.55 | 234.0 | -0.2244 | 0.9395 |
| 0.55 | 246.0 | 0.6426 | 0.9202 |
| 0.55 | 258.0 | 0.4573 | 0.756 |
| 0.55 | 270.0 | -0.7197 | 0.5588 |
| 0.55 | 282.0 | -0.8698 | 0.4725 |
| 0.55 | 294.0 | 2.1962 | 0.7902 |
| 0.65 | 66.0 | 1.2677 | 0.8785 |
| 0.65 | 78.0 | -0.0849 | 0.8723 |
| 0.65 | 90.0 | -0.6026 | 0.8212 |
| 0.65 | 102.0 | 0.1013 | 0.9216 |
| 0.65 | 114.0 | 0.0325 | 0.7481 |
| 0.65 | 126.0 | 0.1174 | 0.7007 |
| 0.65 | 138.0 | -0.2917 | 0.9228 |
| 0.65 | 150.0 | -0.6394 | 0.9908 |
| 0.65 | 210.0 | 1.4279 | 1.0596 |
| 0.65 | 222.0 | 0.5928 | 0.7028 |
| 0.65 | 234.0 | -0.4556 | 0.6811 |
| 0.65 | 246.0 | 1.3715 | 0.7905 |
| 0.65 | 258.0 | -0.1102 | 0.7002 |
| 0.65 | 270.0 | 1.0947 | 0.7098 |
| 0.65 | 282.0 | -0.2763 | 0.6791 |
| 0.65 | 294.0 | 0.938 | 0.8011 |
| 0.65 | 306.0 | -1.0152 | 0.7023 |
| 0.75 | 66.0 | -0.2997 | 0.9654 |
| 0.75 | 78.0 | 0.3022 | 1.0727 |
| 0.75 | 90.0 | 2.0736 | 1.29 |
| 0.75 | 102.0 | 0.4678 | 0.8394 |
| 0.75 | 114.0 | 0.1586 | 0.7051 |
| 0.75 | 126.0 | -0.0327 | 0.6928 |
| 0.75 | 138.0 | -1.4081 | 0.7053 |
| 0.75 | 150.0 | -0.3323 | 0.8509 |
| 0.75 | 210.0 | -0.2663 | 0.7905 |
| 0.75 | 222.0 | -0.3007 | 0.6806 |
| 0.75 | 234.0 | 0.5268 | 0.5933 |
| 0.75 | 246.0 | 1.4488 | 0.7938 |
| 0.75 | 258.0 | -0.8987 | 0.6722 |
| 0.75 | 282.0 | 0.7783 | 0.6991 |
| 0.75 | 294.0 | -0.6967 | 0.868 |
| 0.85 | 90.0 | 1.8376 | 1.3243 |
| 0.85 | 102.0 | 0.6291 | 1.1848 |
| 0.85 | 114.0 | 0.0658 | 1.172 |
| 0.85 | 126.0 | -1.5566 | 0.9592 |
| 0.85 | 138.0 | -0.649 | 1.1436 |
| 0.85 | 150.0 | -2.3424 | 1.073 |
| 0.85 | 198.0 | 0.8265 | 1.2119 |
| 0.85 | 210.0 | 0.6809 | 1.0389 |
| 0.85 | 222.0 | 1.7313 | 0.8785 |
| 0.85 | 234.0 | -0.1467 | 0.7836 |
| 0.85 | 246.0 | 0.289 | 0.7286 |
| 0.85 | 258.0 | -0.2725 | 0.853 |
| 0.85 | 270.0 | -0.647 | 0.9047 |
| 0.95 | 222.0 | 1.068 | 3.0739 |
| 0.95 | 234.0 | -3.5366 | 2.2738 |
| 0.95 | 246.0 | -0.5548 | 2.5926 |
| 0.45 | 306.0 | -0.7163 | 0.5158 |
| 0.55 | 66.0 | 0.9068 | 0.6391 |
| 0.55 | 78.0 | -0.4423 | 0.4292 |
| 0.55 | 90.0 | 0.2737 | 0.5035 |
| 0.55 | 102.0 | -0.4106 | 0.5463 |
| 0.55 | 114.0 | -1.2171 | 0.3997 |
| 0.55 | 126.0 | 0.2331 | 0.54 |
| 0.55 | 222.0 | -0.4161 | 0.7647 |
| 0.55 | 234.0 | -0.5212 | 0.6466 |
| 0.55 | 246.0 | 0.8545 | 0.6865 |
| 0.55 | 258.0 | -0.7597 | 0.5157 |
| 0.55 | 270.0 | 0.106 | 0.5338 |
| 0.55 | 282.0 | 0.1008 | 0.3666 |
| 0.55 | 294.0 | 0.4918 | 0.5473 |
| 0.65 | 66.0 | -0.4823 | 0.514 |
| 0.65 | 78.0 | -0.8261 | 0.4627 |
| 0.65 | 90.0 | -0.4131 | 0.614 |
| 0.65 | 102.0 | -0.5981 | 0.5305 |
| 0.65 | 114.0 | 0.122 | 0.5299 |
| 0.65 | 126.0 | -0.2496 | 0.4149 |
| 0.65 | 138.0 | -0.6753 | 0.4518 |
| 0.65 | 150.0 | -0.5302 | 0.6441 |
| 0.65 | 210.0 | 0.771 | 0.8036 |
| 0.65 | 222.0 | 0.4973 | 0.5727 |
| 0.65 | 234.0 | 1.0867 | 0.5389 |
| 0.65 | 246.0 | -0.0754 | 0.5486 |
| 0.65 | 258.0 | 0.2825 | 0.5264 |
| 0.65 | 270.0 | -0.3182 | 0.4327 |
| 0.65 | 282.0 | 0.9448 | 0.6042 |
| 0.65 | 294.0 | 0.0637 | 0.4871 |
| 0.75 | 102.0 | -0.0513 | 0.4637 |
| 0.75 | 114.0 | -0.3012 | 0.4505 |
| 0.75 | 126.0 | 0.4716 | 0.5387 |
| 0.75 | 138.0 | -0.6706 | 0.5701 |
| 0.75 | 150.0 | 0.1527 | 0.8065 |
| 0.75 | 198.0 | 1.5136 | 0.7772 |
| 0.75 | 210.0 | 1.3842 | 0.6088 |
| 0.75 | 222.0 | 0.2738 | 0.5735 |
| 0.75 | 234.0 | 0.6673 | 0.4751 |
| 0.75 | 246.0 | 0.4928 | 0.5041 |
| 0.75 | 258.0 | 0.7457 | 0.566 |
| 0.75 | 270.0 | -0.206 | 0.6891 |
| 0.75 | 282.0 | -0.5827 | 0.5246 |
| 0.75 | 294.0 | 0.6678 | 0.5493 |
| 0.85 | 90.0 | 1.6859 | 0.6602 |
| 0.85 | 102.0 | 0.0554 | 0.6944 |
| 0.85 | 114.0 | 0.1807 | 0.6291 |
| 0.85 | 126.0 | -0.3863 | 0.5568 |
| 0.85 | 138.0 | 0.0046 | 0.7126 |
| 0.85 | 198.0 | 0.2717 | 0.9077 |
| 0.85 | 222.0 | 0.3832 | 0.6078 |
| 0.85 | 234.0 | 0.5326 | 0.5215 |
| 0.85 | 246.0 | 0.2998 | 0.5442 |
| 0.85 | 258.0 | 0.8199 | 0.6118 |
| 0.85 | 270.0 | 0.7617 | 0.7676 |
| 0.95 | 222.0 | 1.7037 | 1.0696 |
| 0.95 | 234.0 | 2.3362 | 1.0598 |
| 0.95 | 246.0 | 0.0091 | 0.9654 |
| 0.95 | 258.0 | 1.2081 | 1.0846 |
Experiment comment: