Measurement E151M849
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.1451 | |
| Q2: | 0.101 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9005 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.25 | 282.0 | -1.5023 | 1.0824 |
| 0.25 | 294.0 | -1.0145 | 1.0655 |
| 0.35 | 66.0 | 3.9106 | 1.4161 |
| 0.35 | 78.0 | -0.8311 | 1.1498 |
| 0.35 | 270.0 | -2.682 | 0.9491 |
| 0.35 | 282.0 | -0.0018 | 0.9966 |
| 0.35 | 294.0 | -1.4317 | 1.0213 |
| 0.45 | 66.0 | -2.5991 | 1.1089 |
| 0.45 | 78.0 | 1.8297 | 1.3047 |
| 0.45 | 270.0 | -1.3356 | 1.1108 |
| 0.45 | 282.0 | -0.3239 | 0.8128 |
| 0.45 | 294.0 | 1.381 | 1.0542 |
| 0.55 | 78.0 | -2.2721 | 1.2725 |
| 0.55 | 90.0 | -1.0805 | 1.5012 |
| 0.55 | 102.0 | -1.2511 | 1.5003 |
| 0.55 | 114.0 | 0.5903 | 1.6132 |
| 0.55 | 126.0 | -1.6665 | 1.4438 |
| 0.55 | 258.0 | 0.4095 | 1.3576 |
| 0.55 | 270.0 | 0.8269 | 1.3889 |
| 0.55 | 282.0 | 0.4388 | 0.9434 |
| 0.65 | 66.0 | -0.3742 | 1.3185 |
| 0.65 | 102.0 | -0.9153 | 1.3558 |
| 0.65 | 114.0 | -2.4605 | 1.1049 |
| 0.65 | 126.0 | 0.5594 | 1.2431 |
| 0.65 | 138.0 | -0.8428 | 1.5489 |
| 0.65 | 198.0 | -0.2904 | 1.5957 |
| 0.65 | 222.0 | 1.458 | 1.3379 |
| 0.65 | 234.0 | 2.0802 | 1.5039 |
| 0.65 | 246.0 | -0.555 | 1.421 |
| 0.65 | 258.0 | 0.7232 | 1.2816 |
| 0.65 | 270.0 | -0.3194 | 1.393 |
| 0.65 | 294.0 | -0.5955 | 1.0323 |
| 0.75 | 90.0 | -2.2739 | 1.4984 |
| 0.75 | 114.0 | -1.3381 | 1.1972 |
| 0.75 | 126.0 | -0.4223 | 1.4865 |
| 0.75 | 138.0 | -1.6661 | 1.4112 |
| 0.75 | 150.0 | 0.2439 | 1.8145 |
| 0.75 | 198.0 | 1.8687 | 1.7213 |
| 0.75 | 210.0 | 3.2197 | 1.4 |
| 0.75 | 222.0 | 0.9745 | 1.4797 |
| 0.75 | 234.0 | -0.4503 | 1.2076 |
| 0.75 | 246.0 | -0.8677 | 1.3391 |
| 0.75 | 258.0 | 2.681 | 1.6544 |
| 0.75 | 282.0 | 0.3586 | 1.3899 |
| 0.75 | 294.0 | 0.8544 | 1.315 |
| 0.85 | 90.0 | 0.4505 | 1.7379 |
| 0.85 | 114.0 | 0.604 | 1.8083 |
| 0.85 | 198.0 | 2.46 | 2.0671 |
| 0.85 | 222.0 | -0.7374 | 1.4409 |
| 0.85 | 234.0 | 1.1907 | 1.2772 |
| 0.85 | 246.0 | 0.2265 | 1.1407 |
| 0.85 | 258.0 | 2.4752 | 1.3644 |
| 0.85 | 270.0 | -1.5497 | 1.4734 |
| 0.95 | 102.0 | -1.0525 | 4.9607 |
| 0.95 | 222.0 | 2.9014 | 4.7415 |
| 0.95 | 234.0 | 6.1 | 4.8772 |
| 0.95 | 246.0 | 2.8141 | 4.3301 |
| 0.95 | 258.0 | 3.055 | 3.5485 |
| 0.15 | 66.0 | -0.6923 | 0.456 |
| 0.15 | 294.0 | 0.0563 | 0.5512 |
| 0.25 | 66.0 | 0.5666 | 0.4819 |
| 0.25 | 78.0 | 1.0196 | 0.5846 |
| 0.25 | 294.0 | 0.2263 | 0.4802 |
| 0.35 | 66.0 | 0.9148 | 0.5492 |
| 0.35 | 78.0 | -0.5013 | 0.4199 |
| 0.35 | 270.0 | 0.468 | 0.5673 |
| 0.35 | 282.0 | -1.1751 | 0.3286 |
| 0.35 | 294.0 | 0.0273 | 0.4913 |
| 0.45 | 66.0 | 0.288 | 0.5816 |
| 0.45 | 78.0 | -0.0044 | 0.5595 |
| 0.45 | 102.0 | -0.6499 | 0.4897 |
| 0.45 | 270.0 | -0.5629 | 0.4393 |
| 0.45 | 282.0 | 0.0199 | 0.4722 |
| 0.45 | 294.0 | 0.0014 | 0.4593 |
| 0.55 | 66.0 | -0.2478 | 0.5285 |
| 0.55 | 78.0 | 0.9454 | 0.5494 |
| 0.55 | 102.0 | 0.3274 | 0.6283 |
| 0.55 | 114.0 | -0.5601 | 0.542 |
| 0.55 | 126.0 | 0.0446 | 0.5044 |
| 0.55 | 246.0 | -0.3793 | 0.5452 |
| 0.55 | 270.0 | 0.867 | 0.6308 |
| 0.55 | 282.0 | -0.2963 | 0.4463 |
| 0.55 | 306.0 | -0.8302 | 0.4565 |
| 0.65 | 66.0 | -0.9275 | 0.4684 |
| 0.65 | 102.0 | 0.9009 | 0.5395 |
| 0.65 | 114.0 | -0.1792 | 0.4715 |
| 0.65 | 126.0 | -0.1825 | 0.5459 |
| 0.65 | 138.0 | 0.1717 | 0.5097 |
| 0.65 | 210.0 | 0.2632 | 0.656 |
| 0.65 | 222.0 | 0.4368 | 0.6359 |
| 0.65 | 234.0 | 0.9037 | 0.5777 |
| 0.65 | 246.0 | 0.834 | 0.4939 |
| 0.65 | 270.0 | 0.5353 | 0.5566 |
| 0.65 | 294.0 | -0.8805 | 0.4432 |
| 0.75 | 102.0 | -0.187 | 0.4692 |
| 0.75 | 114.0 | 0.1139 | 0.4499 |
| 0.75 | 126.0 | -0.2096 | 0.4923 |
| 0.75 | 138.0 | 0.6857 | 0.6369 |
| 0.75 | 150.0 | -0.2309 | 0.6264 |
| 0.75 | 210.0 | 0.3446 | 0.576 |
| 0.75 | 222.0 | -0.2308 | 0.4703 |
| 0.75 | 234.0 | 0.7561 | 0.5395 |
| 0.75 | 246.0 | 1.3383 | 0.5841 |
| 0.75 | 258.0 | 2.0096 | 0.5832 |
| 0.75 | 282.0 | -0.6934 | 0.5006 |
| 0.75 | 294.0 | 0.4523 | 0.5196 |
| 0.85 | 78.0 | 0.4146 | 0.6486 |
| 0.85 | 90.0 | -0.825 | 0.4567 |
| 0.85 | 102.0 | 0.6295 | 0.5969 |
| 0.85 | 114.0 | 0.6877 | 0.6894 |
| 0.85 | 126.0 | -0.6822 | 0.5172 |
| 0.85 | 138.0 | 1.1057 | 0.7078 |
| 0.85 | 198.0 | 0.5176 | 0.7274 |
| 0.85 | 210.0 | -0.357 | 0.6193 |
| 0.85 | 222.0 | 0.9134 | 0.6948 |
| 0.85 | 234.0 | 2.0193 | 0.5017 |
| 0.85 | 246.0 | 0.4227 | 0.6665 |
| 0.85 | 258.0 | 1.2903 | 0.6125 |
| 0.85 | 270.0 | -0.7135 | 0.5515 |
| 0.95 | 102.0 | -0.5936 | 1.0143 |
| 0.95 | 222.0 | -0.2084 | 1.0179 |
| 0.95 | 234.0 | 0.9704 | 0.9525 |
| 0.95 | 246.0 | 2.5117 | 0.9338 |
| 0.95 | 258.0 | -0.962 | 0.9148 |
Experiment comment: