Measurement E151M2569
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0147 | |
| Q2: | 0.0059 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.7684 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 42.0 | 0.2046 | 0.2331 |
| 0.55 | 54.0 | 0.1285 | 0.2347 |
| 0.55 | 222.0 | -0.1967 | 0.2356 |
| 0.55 | 234.0 | -0.3038 | 0.1823 |
| 0.55 | 246.0 | 0.2301 | 0.2309 |
| 0.65 | 54.0 | 0.243 | 0.1973 |
| 0.65 | 222.0 | -0.2012 | 0.2406 |
| 0.65 | 234.0 | -0.2733 | 0.2066 |
| 0.65 | 246.0 | -0.0903 | 0.2162 |
| 0.75 | 222.0 | 0.3579 | 0.1937 |
| 0.75 | 234.0 | 0.4084 | 0.2061 |
| 0.75 | 246.0 | 0.3564 | 0.2292 |
| 0.85 | 234.0 | -0.2717 | 0.2446 |
| 0.85 | 246.0 | -0.1117 | 0.2506 |
Experiment comment: