Measurement E151M594
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.0739 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9021 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | -0.0593 | 0.621 |
| 0.25 | 18.0 | 0.25 | 0.7441 |
| 0.25 | 30.0 | 0.1459 | 0.6045 |
| 0.25 | 54.0 | -0.0012 | 0.5718 |
| 0.25 | 66.0 | 0.7745 | 0.5137 |
| 0.25 | 78.0 | 0.091 | 0.5488 |
| 0.25 | 270.0 | 1.1731 | 0.7117 |
| 0.25 | 282.0 | 0.24 | 0.5871 |
| 0.25 | 294.0 | 0.6008 | 0.5827 |
| 0.25 | 306.0 | -1.1455 | 0.5377 |
| 0.25 | 318.0 | -0.5281 | 0.5897 |
| 0.25 | 330.0 | -0.2386 | 0.55 |
| 0.35 | 18.0 | 0.4474 | 0.7017 |
| 0.35 | 30.0 | -0.3895 | 0.5464 |
| 0.35 | 54.0 | -0.4807 | 0.473 |
| 0.35 | 66.0 | 0.1492 | 0.4042 |
| 0.35 | 78.0 | 0.0969 | 0.3846 |
| 0.35 | 90.0 | 0.7213 | 0.5246 |
| 0.35 | 102.0 | -1.2506 | 0.5669 |
| 0.35 | 258.0 | 0.6917 | 0.7405 |
| 0.35 | 270.0 | -0.8189 | 0.3839 |
| 0.35 | 282.0 | 0.56 | 0.4188 |
| 0.35 | 294.0 | -0.1605 | 0.3767 |
| 0.35 | 306.0 | 0.1049 | 0.5319 |
| 0.35 | 330.0 | 0.2315 | 0.5287 |
| 0.35 | 342.0 | -0.602 | 0.5771 |
| 0.45 | 18.0 | -0.0405 | 0.6508 |
| 0.45 | 30.0 | 0.7219 | 0.7461 |
| 0.45 | 66.0 | 0.4192 | 0.3982 |
| 0.45 | 78.0 | 0.1965 | 0.3455 |
| 0.45 | 90.0 | 0.0768 | 0.3996 |
| 0.45 | 102.0 | 0.2445 | 0.5672 |
| 0.45 | 114.0 | 1.0753 | 0.7186 |
| 0.45 | 126.0 | -0.8711 | 0.5314 |
| 0.45 | 138.0 | -0.2316 | 0.7264 |
| 0.45 | 258.0 | 0.0369 | 0.4573 |
| 0.45 | 270.0 | -0.0309 | 0.3139 |
| 0.45 | 282.0 | -0.3114 | 0.3467 |
| 0.45 | 294.0 | -0.36 | 0.3667 |
| 0.45 | 306.0 | -0.7482 | 0.4998 |
| 0.55 | 66.0 | 0.8559 | 0.6366 |
| 0.55 | 78.0 | -0.16 | 0.3853 |
| 0.55 | 90.0 | -0.0636 | 0.4143 |
| 0.55 | 102.0 | -0.2019 | 0.4277 |
| 0.55 | 114.0 | -0.6922 | 0.3936 |
| 0.55 | 126.0 | -0.2784 | 0.4232 |
| 0.55 | 138.0 | 0.0231 | 0.4604 |
| 0.55 | 150.0 | 0.4868 | 0.7271 |
| 0.55 | 198.0 | 0.4801 | 0.7297 |
| 0.55 | 210.0 | 1.3747 | 0.5651 |
| 0.55 | 222.0 | 1.3352 | 0.5665 |
| 0.55 | 234.0 | 0.0366 | 0.5065 |
| 0.55 | 246.0 | 0.0079 | 0.4658 |
| 0.55 | 258.0 | -0.0441 | 0.4608 |
| 0.55 | 270.0 | 0.2294 | 0.3304 |
| 0.55 | 282.0 | 0.1199 | 0.3342 |
| 0.55 | 294.0 | -0.2564 | 0.4157 |
| 0.65 | 66.0 | 0.2731 | 0.5237 |
| 0.65 | 78.0 | 0.1551 | 0.4813 |
| 0.65 | 90.0 | -0.6186 | 0.423 |
| 0.65 | 102.0 | 0.5092 | 0.5196 |
| 0.65 | 114.0 | -0.5203 | 0.3222 |
| 0.65 | 126.0 | -0.3322 | 0.3315 |
| 0.65 | 138.0 | -0.7949 | 0.3594 |
| 0.65 | 150.0 | -1.0023 | 0.3617 |
| 0.65 | 162.0 | -0.1886 | 0.679 |
| 0.65 | 198.0 | 0.271 | 0.5478 |
| 0.65 | 210.0 | 1.0143 | 0.4878 |
| 0.65 | 222.0 | 0.1501 | 0.391 |
| 0.65 | 234.0 | 0.6837 | 0.3779 |
| 0.65 | 246.0 | 0.9076 | 0.4662 |
| 0.65 | 258.0 | 0.1495 | 0.413 |
| 0.65 | 270.0 | -0.0599 | 0.3885 |
| 0.65 | 282.0 | 0.3462 | 0.4684 |
| 0.65 | 294.0 | 0.5023 | 0.48 |
| 0.65 | 306.0 | -0.6072 | 0.5578 |
| 0.75 | 66.0 | -0.5209 | 0.4903 |
| 0.75 | 78.0 | 0.2156 | 0.5292 |
| 0.75 | 90.0 | -0.9862 | 0.5258 |
| 0.75 | 102.0 | 0.3794 | 0.6054 |
| 0.75 | 114.0 | -0.76 | 0.3619 |
| 0.75 | 126.0 | -0.3371 | 0.3685 |
| 0.75 | 138.0 | -0.2865 | 0.4101 |
| 0.75 | 150.0 | -0.0075 | 0.5053 |
| 0.75 | 186.0 | 1.026 | 0.7824 |
| 0.75 | 198.0 | 0.9145 | 0.5557 |
| 0.75 | 210.0 | 1.1682 | 0.4044 |
| 0.75 | 222.0 | 0.1169 | 0.3811 |
| 0.75 | 234.0 | 0.0693 | 0.3491 |
| 0.75 | 246.0 | 0.7178 | 0.4481 |
| 0.75 | 258.0 | 0.191 | 0.5218 |
| 0.75 | 270.0 | 1.2554 | 0.5222 |
| 0.75 | 282.0 | 0.4207 | 0.3679 |
| 0.75 | 294.0 | 0.0883 | 0.4861 |
| 0.85 | 90.0 | 1.3602 | 0.6323 |
| 0.85 | 102.0 | -0.2434 | 0.4469 |
| 0.85 | 114.0 | -0.3945 | 0.4847 |
| 0.85 | 126.0 | 0.1099 | 0.6927 |
| 0.85 | 138.0 | -0.3227 | 0.544 |
| 0.85 | 150.0 | -0.4878 | 0.6606 |
| 0.85 | 198.0 | 0.2578 | 0.4873 |
| 0.85 | 210.0 | 0.352 | 0.4767 |
| 0.85 | 222.0 | 0.6116 | 0.4342 |
| 0.85 | 234.0 | 0.3572 | 0.3756 |
| 0.85 | 246.0 | 0.5527 | 0.4262 |
| 0.85 | 258.0 | 0.2736 | 0.5367 |
| 0.85 | 270.0 | 1.1574 | 0.6164 |
| 0.95 | 222.0 | 0.4696 | 0.5348 |
| 0.95 | 234.0 | 0.4585 | 0.5012 |
Experiment comment: