Measurement E151M1177
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.077 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1805.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8287 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty | syst. uncert. |
|---|---|---|---|---|
| 0.55 | 114.0 | -0.8201 | 0.8245 | 0.067 |
| 0.75 | 90.0 | 0.1589 | 0.9774 | 0.0322 |
| 0.75 | 102.0 | 1.9156 | 1.0954 | 0.1432 |
| 0.75 | 210.0 | -0.5004 | 0.7203 | 0.0473 |
| 0.85 | 90.0 | -0.2817 | 0.801 | 0.0364 |
| 0.85 | 102.0 | -0.0802 | 0.8635 | 0.0306 |
| 0.85 | 126.0 | -1.1932 | 0.7436 | 0.0922 |
| 0.85 | 174.0 | 1.2878 | 0.9975 | 0.0988 |
| 0.85 | 186.0 | 0.9638 | 0.8373 | 0.0766 |
| 0.85 | 198.0 | 1.1582 | 0.7636 | 0.0898 |
| 0.85 | 210.0 | -0.7483 | 0.6733 | 0.0624 |
| 0.85 | 222.0 | -0.7424 | 0.7213 | 0.062 |
| 0.85 | 234.0 | 0.2922 | 0.7241 | 0.0368 |
| 0.95 | 186.0 | -0.8974 | 0.738 | 0.0721 |
| 0.95 | 198.0 | 1.3217 | 1.0849 | 0.1012 |
| 0.95 | 210.0 | 1.0844 | 0.9127 | 0.0847 |
| 0.95 | 222.0 | 2.1439 | 1.0362 | 0.1595 |
Experiment comment: