Measurement E151M3021
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0617 | |
| Q2: | 0.0291 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9192 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 66.0 | -0.2504 | 0.2691 |
| 0.35 | 78.0 | -0.0707 | 0.2781 |
| 0.45 | 78.0 | -0.2187 | 0.2544 |
| 0.45 | 90.0 | 0.0606 | 0.2581 |
| 0.45 | 282.0 | 0.209 | 0.2795 |
| 0.45 | 294.0 | 0.0894 | 0.2772 |
| 0.55 | 90.0 | -0.1683 | 0.253 |
| 0.65 | 114.0 | 0.0643 | 0.2514 |
| 0.65 | 138.0 | 0.3641 | 0.2513 |
| 0.65 | 150.0 | 0.1 | 0.2582 |
| 0.65 | 222.0 | 0.0834 | 0.2548 |
| 0.65 | 234.0 | -0.075 | 0.233 |
| 0.65 | 246.0 | 0.3555 | 0.2327 |
| 0.75 | 114.0 | -0.2723 | 0.2594 |
| 0.75 | 126.0 | 0.094 | 0.2369 |
| 0.75 | 138.0 | -0.1338 | 0.2623 |
| 0.75 | 150.0 | -0.0248 | 0.2751 |
| 0.75 | 222.0 | 0.3065 | 0.2423 |
| 0.75 | 234.0 | -0.4419 | 0.1689 |
| 0.75 | 246.0 | -0.5418 | 0.1885 |
| 0.85 | 222.0 | -0.1268 | 0.2199 |
| 0.85 | 234.0 | -0.213 | 0.2304 |
| 0.85 | 246.0 | -0.2081 | 0.2484 |
Experiment comment: