Measurement E151M3562
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.262 | |
| Q2: | 0.496 GeV2 | |
| W: | 1655.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8315 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 102.0 | -0.1165 | 0.2645 |
| 0.55 | 102.0 | 0.0612 | 0.2429 |
| 0.65 | 234.0 | -0.0289 | 0.2542 |
| 0.75 | 66.0 | 0.03 | 0.2708 |
| 0.75 | 102.0 | -0.0227 | 0.2715 |
| 0.75 | 222.0 | -0.2876 | 0.2305 |
| 0.75 | 234.0 | 0.21 | 0.2529 |
| 0.85 | 54.0 | 0.0443 | 0.2535 |
| 0.85 | 66.0 | 0.2572 | 0.2565 |
| 0.85 | 78.0 | -0.0912 | 0.2643 |
| 0.85 | 210.0 | -0.312 | 0.2726 |
| 0.85 | 222.0 | 0.2563 | 0.2381 |
| 0.85 | 234.0 | -0.3197 | 0.2107 |
| 0.85 | 246.0 | -0.051 | 0.2508 |
| 0.85 | 258.0 | -0.2217 | 0.2177 |
| 0.85 | 270.0 | 0.047 | 0.2772 |
| 0.85 | 282.0 | -0.5071 | 0.2267 |
| 0.95 | 210.0 | 0.2915 | 0.2681 |
| 0.95 | 222.0 | 0.496 | 0.228 |
| 0.95 | 234.0 | -0.1895 | 0.2552 |
| 0.95 | 258.0 | 0.1936 | 0.2897 |
| 0.95 | 270.0 | 0.18 | 0.2203 |
| 0.95 | 294.0 | -0.5536 | 0.2223 |
| 0.95 | 306.0 | 0.1747 | 0.2419 |
Experiment comment: