Measurement E151M3063
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2637 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8129 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 78.0 | -0.1558 | 0.2672 |
| 0.35 | 282.0 | 0.0228 | 0.2557 |
| 0.35 | 294.0 | 0.1697 | 0.2517 |
| 0.55 | 102.0 | -0.28 | 0.258 |
| 0.65 | 102.0 | 0.4207 | 0.2279 |
| 0.65 | 114.0 | 0.3456 | 0.2327 |
| 0.65 | 126.0 | 0.1991 | 0.2639 |
| 0.65 | 138.0 | 0.0252 | 0.2564 |
| 0.65 | 234.0 | 0.133 | 0.2672 |
| 0.75 | 102.0 | 0.4306 | 0.1912 |
| 0.75 | 114.0 | 0.3401 | 0.2247 |
| 0.75 | 210.0 | -0.5299 | 0.2373 |
| 0.75 | 234.0 | 0.0649 | 0.2522 |
| 0.75 | 246.0 | 0.0431 | 0.249 |
| 0.75 | 258.0 | -0.7896 | 0.2036 |
| 0.85 | 66.0 | -0.2669 | 0.2621 |
| 0.85 | 78.0 | -0.108 | 0.2167 |
| 0.85 | 114.0 | 0.0318 | 0.2521 |
| 0.85 | 126.0 | -0.1044 | 0.2596 |
| 0.85 | 234.0 | 0.4149 | 0.2533 |
| 0.85 | 246.0 | 0.0598 | 0.1841 |
| 0.85 | 258.0 | 0.0748 | 0.2342 |
| 0.85 | 270.0 | 0.1862 | 0.2286 |
| 0.95 | 234.0 | -0.144 | 0.2418 |
| 0.95 | 246.0 | -0.3572 | 0.2578 |
| 0.95 | 258.0 | -0.0033 | 0.2298 |
| 0.95 | 270.0 | 0.2873 | 0.2387 |
| 0.95 | 282.0 | -0.182 | 0.2037 |
| 0.95 | 294.0 | -0.0938 | 0.2485 |
Experiment comment: