Measurement E151M3049
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3319 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8139 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 282.0 | 0.1787 | 0.2772 |
| 0.55 | 114.0 | -0.0428 | 0.2568 |
| 0.65 | 90.0 | -0.5929 | 0.2131 |
| 0.65 | 102.0 | 0.1295 | 0.2277 |
| 0.65 | 114.0 | 0.252 | 0.2752 |
| 0.65 | 246.0 | -0.3418 | 0.2483 |
| 0.65 | 258.0 | 0.1065 | 0.2436 |
| 0.75 | 90.0 | 0.1121 | 0.2863 |
| 0.75 | 102.0 | 0.4487 | 0.2313 |
| 0.75 | 114.0 | 0.2174 | 0.2515 |
| 0.75 | 126.0 | -0.0569 | 0.2671 |
| 0.75 | 246.0 | 0.1677 | 0.2755 |
| 0.75 | 258.0 | 0.1865 | 0.2377 |
| 0.75 | 270.0 | 0.7822 | 0.1708 |
| 0.85 | 114.0 | 0.3389 | 0.2204 |
| 0.85 | 234.0 | 0.4205 | 0.226 |
| 0.85 | 246.0 | 0.1152 | 0.2152 |
| 0.85 | 258.0 | -0.3009 | 0.2266 |
| 0.85 | 270.0 | -0.3796 | 0.2364 |
| 0.85 | 282.0 | -0.3372 | 0.2441 |
| 0.95 | 246.0 | -0.1815 | 0.2432 |
| 0.95 | 258.0 | -0.1181 | 0.2334 |
| 0.95 | 270.0 | 0.0444 | 0.2625 |
| 0.95 | 282.0 | 0.0193 | 0.2337 |
| 0.95 | 294.0 | 0.1175 | 0.2687 |
Experiment comment: