Measurement E151M3078
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2306 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.7925 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 282.0 | 0.1274 | 0.2683 |
| 0.65 | 114.0 | 0.6368 | 0.2112 |
| 0.65 | 234.0 | 0.1737 | 0.2681 |
| 0.65 | 246.0 | -0.5497 | 0.2442 |
| 0.75 | 102.0 | 0.3064 | 0.2377 |
| 0.75 | 114.0 | 0.0853 | 0.2368 |
| 0.75 | 138.0 | -0.2651 | 0.2601 |
| 0.75 | 222.0 | -0.331 | 0.2079 |
| 0.75 | 234.0 | -0.0088 | 0.2282 |
| 0.75 | 246.0 | -0.1045 | 0.263 |
| 0.75 | 258.0 | 0.0132 | 0.2757 |
| 0.85 | 78.0 | -0.1473 | 0.2461 |
| 0.85 | 138.0 | -0.0838 | 0.2791 |
| 0.85 | 210.0 | -0.0599 | 0.273 |
| 0.85 | 222.0 | -0.0813 | 0.2487 |
| 0.85 | 234.0 | -0.4319 | 0.2297 |
| 0.85 | 246.0 | -0.2057 | 0.2244 |
| 0.85 | 258.0 | 0.549 | 0.2323 |
| 0.85 | 270.0 | 0.1719 | 0.2663 |
| 0.95 | 234.0 | 0.1899 | 0.2673 |
| 0.95 | 258.0 | -0.194 | 0.2433 |
| 0.95 | 270.0 | -0.3206 | 0.2551 |
| 0.95 | 282.0 | -0.1184 | 0.2387 |
Experiment comment: