Measurement E151M3489
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.5147 | |
| Q2: | 0.5925 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.879 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 294.0 | -0.1144 | 0.2672 |
| 0.45 | 102.0 | -0.4042 | 0.2611 |
| 0.55 | 78.0 | 0.2477 | 0.2406 |
| 0.55 | 90.0 | -0.0558 | 0.2538 |
| 0.55 | 102.0 | 0.1913 | 0.2455 |
| 0.65 | 78.0 | 0.0168 | 0.2578 |
| 0.65 | 90.0 | 0.0557 | 0.2569 |
| 0.65 | 102.0 | -0.1163 | 0.2695 |
| 0.65 | 258.0 | 0.0302 | 0.2815 |
| 0.75 | 54.0 | -0.0096 | 0.2684 |
| 0.75 | 90.0 | -0.0435 | 0.2421 |
| 0.75 | 102.0 | -0.0591 | 0.2758 |
| 0.75 | 114.0 | 0.338 | 0.2559 |
| 0.75 | 234.0 | 0.0716 | 0.2823 |
| 0.75 | 246.0 | -0.2611 | 0.2487 |
| 0.75 | 258.0 | 0.1485 | 0.2452 |
| 0.75 | 282.0 | 0.2295 | 0.2316 |
| 0.85 | 54.0 | 0.1759 | 0.2552 |
| 0.85 | 114.0 | 0.011 | 0.2749 |
| 0.85 | 210.0 | 0.1692 | 0.257 |
| 0.85 | 222.0 | 0.021 | 0.2577 |
| 0.85 | 246.0 | -0.3045 | 0.2654 |
| 0.85 | 270.0 | -0.2788 | 0.2309 |
| 0.85 | 282.0 | -0.542 | 0.202 |
| 0.85 | 294.0 | 0.1625 | 0.233 |
| 0.85 | 306.0 | 0.1266 | 0.2249 |
| 0.85 | 318.0 | 0.046 | 0.227 |
| 0.85 | 330.0 | 0.0338 | 0.2668 |
| 0.95 | 294.0 | 0.3401 | 0.2608 |
Experiment comment: