Measurement E151M3144
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0383 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1685.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.7478 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 78.0 | 0.2105 | 0.2658 |
| 0.45 | 270.0 | -0.1324 | 0.2244 |
| 0.45 | 282.0 | 0.4434 | 0.2343 |
| 0.55 | 114.0 | -0.5755 | 0.2118 |
| 0.55 | 126.0 | -0.6211 | 0.2046 |
| 0.55 | 198.0 | -0.0412 | 0.2599 |
| 0.55 | 222.0 | 0.1378 | 0.2953 |
| 0.65 | 114.0 | 0.059 | 0.2816 |
| 0.65 | 138.0 | -0.1645 | 0.244 |
| 0.65 | 210.0 | 0.3166 | 0.2438 |
| 0.65 | 222.0 | -0.2089 | 0.2539 |
| 0.65 | 294.0 | 0.1543 | 0.2708 |
| 0.75 | 66.0 | -0.0303 | 0.2761 |
| 0.75 | 198.0 | 0.2544 | 0.2315 |
| 0.75 | 210.0 | 0.0301 | 0.249 |
| 0.75 | 222.0 | -0.3396 | 0.2407 |
| 0.75 | 234.0 | -0.0686 | 0.2886 |
| 0.75 | 270.0 | -0.0756 | 0.2433 |
| 0.75 | 282.0 | 0.2736 | 0.2022 |
| 0.75 | 294.0 | -0.1296 | 0.288 |
| 0.85 | 102.0 | 0.01 | 0.2692 |
| 0.85 | 114.0 | -0.0369 | 0.2594 |
| 0.85 | 126.0 | 0.0339 | 0.2651 |
| 0.85 | 198.0 | 0.4599 | 0.2581 |
| 0.85 | 210.0 | -0.0719 | 0.2492 |
| 0.85 | 222.0 | -0.3183 | 0.2284 |
Experiment comment: