Measurement E151M3230
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.598 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.906 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.75 | 90.0 | -0.2632 | 0.2423 |
| 0.75 | 246.0 | -0.0807 | 0.2606 |
| 0.85 | 90.0 | -0.1224 | 0.2625 |
| 0.85 | 102.0 | -0.3255 | 0.2461 |
| 0.95 | 306.0 | 0.3091 | 0.2315 |
| 0.65 | 270.0 | -0.2849 | 0.2463 |
| 0.75 | 78.0 | 0.1758 | 0.2557 |
| 0.75 | 102.0 | 0.1523 | 0.2481 |
| 0.85 | 90.0 | 0.2026 | 0.2474 |
| 0.85 | 102.0 | 0.1394 | 0.2312 |
| 0.85 | 114.0 | -0.224 | 0.2292 |
| 0.85 | 246.0 | -0.4029 | 0.2278 |
| 0.85 | 270.0 | 0.2574 | 0.2426 |
| 0.85 | 282.0 | -0.202 | 0.2448 |
| 0.85 | 294.0 | 0.2679 | 0.2195 |
| 0.95 | 270.0 | 0.3598 | 0.2217 |
| 0.95 | 294.0 | -0.1335 | 0.2432 |
Experiment comment: