Measurement E151M2252
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.4687 | |
| Q2: | 0.348 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9254 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.05 | 294.0 | -0.064 | 0.8924 |
| 0.15 | 66.0 | 1.3307 | 0.86 |
| 0.15 | 294.0 | 0.2803 | 0.7614 |
| 0.25 | 66.0 | -0.9951 | 0.8684 |
| 0.25 | 78.0 | 0.0193 | 0.8538 |
| 0.25 | 294.0 | 0.2081 | 0.7286 |
| 0.25 | 306.0 | 0.8016 | 0.8451 |
| 0.35 | 66.0 | -0.9235 | 0.9663 |
| 0.35 | 282.0 | 0.9555 | 0.8117 |
| 0.35 | 294.0 | 0.6547 | 0.6899 |
| 0.45 | 90.0 | 0.4022 | 0.8298 |
| 0.45 | 102.0 | -1.169 | 0.7583 |
| 0.45 | 282.0 | -0.1069 | 0.815 |
| 0.45 | 294.0 | 0.4505 | 0.7508 |
| 0.55 | 66.0 | 0.9633 | 0.8739 |
| 0.55 | 78.0 | 0.2062 | 0.6705 |
| 0.55 | 90.0 | 1.4391 | 0.6117 |
| 0.55 | 102.0 | -0.7274 | 0.8349 |
| 0.55 | 114.0 | 0.0198 | 1.0585 |
| 0.55 | 282.0 | 0.4862 | 0.9004 |
| 0.55 | 306.0 | 1.5257 | 0.7548 |
| 0.65 | 78.0 | -0.2456 | 0.6086 |
| 0.65 | 90.0 | -0.0917 | 0.5687 |
| 0.65 | 102.0 | -1.0015 | 0.6321 |
| 0.65 | 114.0 | -1.3388 | 0.7227 |
| 0.65 | 246.0 | -0.711 | 0.76 |
| 0.65 | 258.0 | 0.411 | 0.7433 |
| 0.65 | 270.0 | 0.8743 | 0.6242 |
| 0.65 | 282.0 | -0.4011 | 0.8394 |
| 0.75 | 54.0 | -0.9761 | 0.691 |
| 0.75 | 66.0 | -0.7391 | 0.849 |
| 0.75 | 78.0 | 0.554 | 0.5831 |
| 0.75 | 90.0 | -0.0417 | 0.5459 |
| 0.75 | 102.0 | -0.7298 | 0.5823 |
| 0.75 | 114.0 | 0.9899 | 0.6204 |
| 0.75 | 126.0 | 1.0102 | 0.7931 |
| 0.75 | 222.0 | 0.4016 | 0.9173 |
| 0.75 | 234.0 | 0.309 | 0.6577 |
| 0.75 | 246.0 | 0.3073 | 0.6905 |
| 0.75 | 258.0 | 0.5361 | 0.61 |
| 0.75 | 270.0 | 0.5687 | 0.6448 |
| 0.75 | 282.0 | 0.155 | 0.6776 |
| 0.75 | 294.0 | -1.8622 | 0.7242 |
| 0.85 | 54.0 | -0.6931 | 0.5886 |
| 0.85 | 66.0 | 0.2203 | 0.7908 |
| 0.85 | 78.0 | 0.9775 | 0.8762 |
| 0.85 | 90.0 | 1.3532 | 0.5251 |
| 0.85 | 102.0 | 1.1627 | 0.5214 |
| 0.85 | 114.0 | -0.4077 | 0.5919 |
| 0.85 | 126.0 | 0.9722 | 0.9628 |
| 0.85 | 186.0 | 0.8306 | 0.8645 |
| 0.85 | 198.0 | 1.5245 | 0.8017 |
| 0.85 | 210.0 | -0.0077 | 0.8873 |
| 0.85 | 222.0 | 0.9175 | 0.6569 |
| 0.85 | 234.0 | 0.1712 | 0.5774 |
| 0.85 | 246.0 | 0.7318 | 0.5752 |
| 0.85 | 258.0 | -0.1196 | 0.4885 |
| 0.85 | 270.0 | -0.2722 | 0.5183 |
| 0.85 | 282.0 | 0.9341 | 0.5271 |
| 0.85 | 294.0 | 0.1865 | 0.4769 |
| 0.85 | 306.0 | 0.3424 | 0.5003 |
| 0.85 | 318.0 | 1.6155 | 0.5986 |
| 0.95 | 54.0 | -0.2767 | 0.7821 |
| 0.95 | 102.0 | 1.947 | 0.668 |
| 0.95 | 114.0 | 1.1372 | 0.773 |
| 0.95 | 198.0 | -0.1258 | 0.869 |
| 0.95 | 210.0 | 1.1694 | 0.7859 |
| 0.95 | 222.0 | 1.1498 | 0.6303 |
| 0.95 | 234.0 | 0.8119 | 0.5614 |
| 0.95 | 246.0 | 0.5943 | 0.5909 |
| 0.95 | 258.0 | 0.7234 | 0.6135 |
| 0.95 | 270.0 | 1.1398 | 0.6319 |
| 0.95 | 282.0 | 0.3514 | 0.7 |
| 0.95 | 294.0 | 1.0037 | 0.5235 |
| 0.95 | 306.0 | -0.434 | 0.5068 |
| 0.95 | 318.0 | 0.2666 | 0.5329 |
| 0.95 | 330.0 | 0.1496 | 0.5966 |
| 0.95 | 342.0 | -0.3671 | 0.7745 |
Experiment comment: