Measurement E151M591
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.4107 | |
| Q2: | 0.348 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8109 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty | syst. uncert. |
|---|---|---|---|---|
| 0.65 | 90.0 | 0.3479 | 0.727 | 0.0368 |
| 0.65 | 102.0 | -0.0463 | 0.6986 | 0.0301 |
| 0.75 | 90.0 | -0.3641 | 0.707 | 0.0374 |
| 0.75 | 102.0 | -0.2724 | 0.6986 | 0.0343 |
| 0.75 | 246.0 | -0.4678 | 0.6675 | 0.0415 |
| 0.75 | 258.0 | 1.3207 | 0.7014 | 0.0862 |
| 0.75 | 270.0 | -0.5067 | 0.6241 | 0.0431 |
| 0.85 | 246.0 | 0.0215 | 0.641 | 0.03 |
| 0.85 | 270.0 | 0.8221 | 0.7882 | 0.0585 |
| 0.85 | 282.0 | 0.1503 | 0.6202 | 0.0314 |
| 0.85 | 294.0 | 1.254 | 0.6887 | 0.0824 |
| 0.95 | 282.0 | -0.1315 | 0.5772 | 0.0311 |
| 0.95 | 294.0 | -0.2067 | 0.6217 | 0.0326 |
Experiment comment: