Measurement E151M2641
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0023 | |
| Q2: | 0.0023 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.5471 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 42.0 | 0.07 | 0.2191 |
| 0.35 | 54.0 | 0.2149 | 0.2058 |
| 0.35 | 66.0 | -0.1201 | 0.2506 |
| 0.45 | 42.0 | -0.1211 | 0.2617 |
| 0.45 | 54.0 | -0.0989 | 0.2186 |
| 0.45 | 210.0 | 0.3105 | 0.2379 |
| 0.45 | 222.0 | -0.0158 | 0.2327 |
| 0.45 | 234.0 | 0.182 | 0.2371 |
| 0.55 | 42.0 | -0.2171 | 0.2264 |
| 0.55 | 210.0 | -0.0036 | 0.2168 |
| 0.55 | 222.0 | -0.1188 | 0.2321 |
| 0.55 | 234.0 | -0.0828 | 0.1864 |
| 0.55 | 246.0 | 0.1608 | 0.2416 |
| 0.65 | 222.0 | 0.137 | 0.1945 |
| 0.65 | 234.0 | -0.1381 | 0.1805 |
| 0.65 | 246.0 | 0.2436 | 0.256 |
| 0.75 | 222.0 | -0.0574 | 0.1925 |
| 0.75 | 234.0 | 0.2646 | 0.2256 |
| 0.85 | 222.0 | -0.0957 | 0.2562 |
Experiment comment: