Measurement E151M3525
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3553 | |
| Q2: | 0.496 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8672 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 90.0 | -0.1837 | 0.249 |
| 0.65 | 102.0 | 0.0505 | 0.2347 |
| 0.65 | 114.0 | -0.1828 | 0.2635 |
| 0.65 | 246.0 | 0.2092 | 0.2679 |
| 0.75 | 66.0 | 0.4638 | 0.2294 |
| 0.75 | 102.0 | 0.164 | 0.2384 |
| 0.75 | 222.0 | -0.3412 | 0.2383 |
| 0.75 | 234.0 | -0.6082 | 0.1676 |
| 0.75 | 246.0 | 0.0291 | 0.251 |
| 0.85 | 54.0 | 0.2625 | 0.2678 |
| 0.85 | 210.0 | -0.0251 | 0.2592 |
| 0.85 | 222.0 | -0.347 | 0.2352 |
| 0.85 | 234.0 | 0.0009 | 0.2391 |
| 0.85 | 246.0 | 0.1597 | 0.2166 |
| 0.85 | 258.0 | -0.2281 | 0.2175 |
| 0.85 | 270.0 | -0.259 | 0.2482 |
| 0.85 | 282.0 | -0.212 | 0.2457 |
| 0.85 | 294.0 | -0.1741 | 0.2717 |
| 0.95 | 222.0 | 0.0576 | 0.2512 |
| 0.95 | 234.0 | 0.1939 | 0.2588 |
| 0.95 | 246.0 | 0.0338 | 0.23 |
| 0.95 | 258.0 | -0.3997 | 0.2518 |
| 0.95 | 270.0 | -0.4456 | 0.2424 |
| 0.95 | 282.0 | -0.1605 | 0.1916 |
| 0.95 | 294.0 | 0.1175 | 0.1946 |
| 0.95 | 306.0 | -0.1061 | 0.2343 |
| 0.95 | 318.0 | -0.0519 | 0.2518 |
Experiment comment: