Measurement E151M3090
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1399 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8118 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 282.0 | 0.2821 | 0.27 |
| 0.55 | 282.0 | -0.0472 | 0.274 |
| 0.65 | 114.0 | 0.0297 | 0.2553 |
| 0.65 | 126.0 | 0.0917 | 0.2676 |
| 0.65 | 234.0 | 0.3628 | 0.2418 |
| 0.65 | 294.0 | -0.2 | 0.2062 |
| 0.75 | 114.0 | -0.1973 | 0.2401 |
| 0.75 | 126.0 | 0.3234 | 0.2489 |
| 0.75 | 138.0 | 0.4537 | 0.2389 |
| 0.75 | 198.0 | 0.4111 | 0.2454 |
| 0.75 | 210.0 | 0.0636 | 0.2351 |
| 0.75 | 222.0 | 0.1891 | 0.2172 |
| 0.75 | 234.0 | -0.2216 | 0.2498 |
| 0.75 | 246.0 | -0.1287 | 0.2702 |
| 0.75 | 294.0 | -0.3781 | 0.245 |
| 0.85 | 90.0 | 0.318 | 0.2271 |
| 0.85 | 126.0 | 0.0813 | 0.2727 |
| 0.85 | 210.0 | -0.043 | 0.2759 |
| 0.85 | 222.0 | -0.0651 | 0.218 |
| 0.85 | 246.0 | -0.1865 | 0.1937 |
| 0.85 | 258.0 | -0.4849 | 0.2561 |
| 0.95 | 90.0 | 0.2878 | 0.2493 |
| 0.95 | 102.0 | -0.0758 | 0.2827 |
| 0.95 | 222.0 | 0.1992 | 0.2639 |
| 0.95 | 234.0 | -0.3106 | 0.251 |
| 0.95 | 246.0 | -0.09 | 0.2791 |
| 0.95 | 258.0 | -0.6738 | 0.1866 |
Experiment comment: