Measurement E151M1845
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.0469 | |
| Q2: | 0.0348 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.873 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.7343 | 0.8952 |
| 0.25 | 78.0 | 0.4174 | 0.9411 |
| 0.25 | 294.0 | 0.3291 | 0.823 |
| 0.35 | 54.0 | 1.4744 | 0.7174 |
| 0.35 | 66.0 | 0.4295 | 0.6619 |
| 0.35 | 78.0 | 0.1019 | 0.7085 |
| 0.35 | 258.0 | 0.0154 | 0.8216 |
| 0.35 | 270.0 | -0.1388 | 0.637 |
| 0.35 | 282.0 | 0.5458 | 0.5833 |
| 0.35 | 294.0 | 0.2447 | 0.7125 |
| 0.45 | 18.0 | -1.1331 | 0.726 |
| 0.45 | 66.0 | 1.3224 | 0.6163 |
| 0.45 | 78.0 | 0.001 | 0.5473 |
| 0.45 | 90.0 | 0.0095 | 0.7489 |
| 0.45 | 114.0 | -0.1296 | 0.7652 |
| 0.45 | 222.0 | 0.182 | 0.7754 |
| 0.45 | 258.0 | -0.047 | 0.6878 |
| 0.45 | 270.0 | -0.3166 | 0.5963 |
| 0.45 | 282.0 | -0.7559 | 0.5456 |
| 0.45 | 294.0 | 0.6999 | 0.7347 |
| 0.45 | 318.0 | -0.4258 | 0.8398 |
| 0.55 | 78.0 | 0.6064 | 0.7067 |
| 0.55 | 90.0 | 0.5905 | 0.6244 |
| 0.55 | 102.0 | -0.6253 | 0.7224 |
| 0.55 | 114.0 | -0.5817 | 0.6808 |
| 0.55 | 126.0 | -0.681 | 0.7293 |
| 0.55 | 138.0 | -1.6697 | 0.6373 |
| 0.55 | 150.0 | -0.9345 | 0.8456 |
| 0.55 | 198.0 | 0.7028 | 0.8176 |
| 0.55 | 210.0 | -1.2605 | 0.7049 |
| 0.55 | 222.0 | -0.2401 | 0.6287 |
| 0.55 | 234.0 | 0.9639 | 0.7268 |
| 0.55 | 246.0 | -0.5264 | 0.8722 |
| 0.55 | 258.0 | -0.3574 | 0.6317 |
| 0.55 | 270.0 | 0.5853 | 0.4966 |
| 0.55 | 282.0 | -1.1485 | 0.5131 |
| 0.55 | 294.0 | 0.2364 | 0.815 |
| 0.65 | 66.0 | -0.8134 | 0.8425 |
| 0.65 | 78.0 | 0.5653 | 0.7818 |
| 0.65 | 102.0 | 0.9047 | 0.7771 |
| 0.65 | 114.0 | -1.1248 | 0.6502 |
| 0.65 | 126.0 | -1.1242 | 0.561 |
| 0.65 | 138.0 | 0.139 | 0.6806 |
| 0.65 | 150.0 | 0.5813 | 0.7705 |
| 0.65 | 186.0 | -1.6232 | 0.8157 |
| 0.65 | 198.0 | -0.2201 | 0.7651 |
| 0.65 | 210.0 | -0.1115 | 0.6392 |
| 0.65 | 222.0 | 0.1602 | 0.579 |
| 0.65 | 234.0 | -0.8317 | 0.6891 |
| 0.65 | 246.0 | -1.3182 | 0.7196 |
| 0.65 | 258.0 | -1.2905 | 0.7014 |
| 0.65 | 270.0 | -0.1723 | 0.6976 |
| 0.65 | 282.0 | -0.8457 | 0.6035 |
| 0.65 | 294.0 | 0.0966 | 0.8254 |
| 0.75 | 66.0 | 0.2909 | 0.6296 |
| 0.75 | 78.0 | 0.2659 | 0.6851 |
| 0.75 | 114.0 | 0.6153 | 0.8822 |
| 0.75 | 126.0 | 0.503 | 0.6176 |
| 0.75 | 138.0 | -0.2995 | 0.7222 |
| 0.75 | 150.0 | 0.9394 | 0.8162 |
| 0.75 | 198.0 | -0.4536 | 0.827 |
| 0.75 | 210.0 | 0.7209 | 0.7313 |
| 0.75 | 222.0 | -0.8329 | 0.6347 |
| 0.75 | 234.0 | -0.2202 | 0.6233 |
| 0.75 | 246.0 | 0.1699 | 0.6038 |
| 0.75 | 270.0 | 1.0937 | 0.574 |
| 0.75 | 282.0 | -0.6554 | 0.5372 |
| 0.75 | 294.0 | -0.0184 | 0.7034 |
| 0.85 | 102.0 | -0.4605 | 0.6652 |
| 0.85 | 114.0 | -0.2286 | 0.559 |
| 0.85 | 126.0 | 0.0723 | 0.7207 |
| 0.85 | 138.0 | -0.3376 | 0.8923 |
| 0.85 | 198.0 | 0.3224 | 0.5962 |
| 0.85 | 210.0 | -0.2049 | 0.651 |
| 0.85 | 222.0 | -0.1944 | 0.5306 |
| 0.85 | 234.0 | 0.1193 | 0.5549 |
| 0.85 | 246.0 | -0.2843 | 0.7466 |
| 0.85 | 258.0 | 0.0517 | 0.9305 |
| 0.85 | 270.0 | -0.9132 | 0.726 |
| 0.95 | 210.0 | -1.3865 | 0.6855 |
Experiment comment: