Measurement E151M3107
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1394 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.7773 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 114.0 | -0.3541 | 0.2488 |
| 0.65 | 114.0 | 0.0741 | 0.2719 |
| 0.75 | 114.0 | 0.5422 | 0.2133 |
| 0.75 | 126.0 | -0.0812 | 0.2659 |
| 0.75 | 210.0 | -0.1305 | 0.24 |
| 0.75 | 222.0 | -0.0176 | 0.276 |
| 0.75 | 246.0 | -0.1359 | 0.2458 |
| 0.85 | 90.0 | 0.192 | 0.2135 |
| 0.85 | 102.0 | 0.3533 | 0.2494 |
| 0.85 | 234.0 | -0.1959 | 0.2261 |
| 0.85 | 246.0 | -0.1984 | 0.2606 |
| 0.85 | 258.0 | 0.3306 | 0.2433 |
| 0.95 | 222.0 | 0.079 | 0.2672 |
| 0.95 | 234.0 | -0.1669 | 0.2701 |
| 0.95 | 258.0 | -0.1714 | 0.2788 |
Experiment comment: