Measurement E151M3538
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3207 | |
| Q2: | 0.496 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8562 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 102.0 | 0.2048 | 0.2635 |
| 0.65 | 90.0 | -0.3547 | 0.2529 |
| 0.65 | 102.0 | 0.2016 | 0.2544 |
| 0.65 | 246.0 | 0.0071 | 0.2657 |
| 0.75 | 102.0 | 0.5413 | 0.1871 |
| 0.75 | 234.0 | 0.1699 | 0.2722 |
| 0.75 | 246.0 | 0.1192 | 0.2454 |
| 0.85 | 54.0 | 0.0775 | 0.2592 |
| 0.85 | 66.0 | 0.2829 | 0.2189 |
| 0.85 | 222.0 | 0.121 | 0.2672 |
| 0.85 | 234.0 | -0.3618 | 0.2263 |
| 0.85 | 246.0 | -0.1243 | 0.2375 |
| 0.85 | 258.0 | -0.2549 | 0.1956 |
| 0.85 | 270.0 | 0.1074 | 0.2278 |
| 0.85 | 282.0 | -0.0393 | 0.2721 |
| 0.95 | 246.0 | -0.5167 | 0.2669 |
| 0.95 | 258.0 | -0.7287 | 0.1836 |
| 0.95 | 270.0 | -0.3115 | 0.2154 |
| 0.95 | 282.0 | 0.1107 | 0.26 |
| 0.95 | 294.0 | -0.2374 | 0.2293 |
| 0.95 | 306.0 | -0.0594 | 0.2235 |
| 0.95 | 318.0 | 0.1289 | 0.2452 |
Experiment comment: