Measurement E151M3002
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.5007 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8618 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.65 | 102.0 | 0.1893 | 0.2668 |
| 0.65 | 258.0 | -0.1833 | 0.301 |
| 0.75 | 90.0 | -0.5813 | 0.21 |
| 0.75 | 102.0 | 0.0066 | 0.2452 |
| 0.75 | 114.0 | 0.1047 | 0.2804 |
| 0.75 | 126.0 | 0.3395 | 0.2247 |
| 0.75 | 234.0 | -0.1215 | 0.2399 |
| 0.75 | 246.0 | -0.3561 | 0.2434 |
| 0.85 | 66.0 | -0.2752 | 0.2463 |
| 0.85 | 90.0 | 0.1053 | 0.1966 |
| 0.85 | 102.0 | 0.0232 | 0.2348 |
| 0.85 | 114.0 | -0.1166 | 0.2174 |
| 0.85 | 126.0 | -0.2191 | 0.2022 |
| 0.85 | 222.0 | -0.0376 | 0.2584 |
| 0.85 | 234.0 | 0.2368 | 0.2286 |
| 0.85 | 246.0 | 0.0444 | 0.2179 |
| 0.85 | 258.0 | -0.0156 | 0.263 |
| 0.85 | 270.0 | 0.4515 | 0.1772 |
| 0.85 | 282.0 | 0.1147 | 0.2125 |
| 0.85 | 294.0 | 0.2598 | 0.1999 |
| 0.95 | 138.0 | 0.2049 | 0.2875 |
| 0.95 | 270.0 | 0.15 | 0.2419 |
| 0.95 | 282.0 | 0.209 | 0.226 |
| 0.95 | 294.0 | -0.4171 | 0.244 |
Experiment comment: