Measurement E151M2750
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.4054 | |
| Q2: | 0.205 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.7564 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.75 | 126.0 | 0.4135 | 0.304 |
| 0.75 | 138.0 | 0.234 | 0.4038 |
| 0.75 | 234.0 | -0.2977 | 0.3455 |
| 0.75 | 270.0 | -0.1176 | 0.3248 |
| 0.85 | 126.0 | -0.0078 | 0.4154 |
| 0.85 | 234.0 | 0.7495 | 0.1766 |
| 0.85 | 258.0 | 0.3494 | 0.2928 |
| 0.85 | 270.0 | -0.4008 | 0.3001 |
| 0.85 | 294.0 | -0.1507 | 0.3591 |
| 0.95 | 126.0 | 0.0106 | 0.4097 |
| 0.95 | 294.0 | 0.1443 | 0.3417 |
| 0.65 | 270.0 | -0.4039 | 0.2352 |
| 0.65 | 282.0 | 0.1617 | 0.2651 |
| 0.75 | 138.0 | -0.1738 | 0.2667 |
| 0.75 | 246.0 | -0.4923 | 0.2228 |
| 0.75 | 258.0 | -0.0168 | 0.2305 |
| 0.75 | 270.0 | -0.1147 | 0.248 |
| 0.85 | 114.0 | 0.1307 | 0.2719 |
| 0.85 | 126.0 | -0.1814 | 0.2573 |
| 0.85 | 138.0 | -0.2649 | 0.2626 |
| 0.85 | 150.0 | -0.5896 | 0.2538 |
| 0.85 | 258.0 | -0.0045 | 0.2433 |
| 0.85 | 270.0 | 0.1496 | 0.2521 |
| 0.85 | 282.0 | -0.1515 | 0.25 |
| 0.85 | 294.0 | 0.1885 | 0.2736 |
| 0.95 | 78.0 | 0.315 | 0.2727 |
Experiment comment: