Measurement E151M3104
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0922 | |
| Q2: | 0.101 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8071 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 270.0 | 0.2991 | 0.2486 |
| 0.65 | 114.0 | -0.1872 | 0.2457 |
| 0.65 | 126.0 | 0.0261 | 0.2424 |
| 0.65 | 138.0 | -0.199 | 0.2619 |
| 0.65 | 210.0 | -0.159 | 0.2397 |
| 0.65 | 222.0 | -0.1546 | 0.2479 |
| 0.65 | 282.0 | -0.0716 | 0.2714 |
| 0.65 | 294.0 | -0.4877 | 0.2467 |
| 0.75 | 114.0 | 0.3451 | 0.2521 |
| 0.75 | 126.0 | 0.3236 | 0.26 |
| 0.75 | 138.0 | 0.2975 | 0.2595 |
| 0.75 | 210.0 | -0.0197 | 0.2529 |
| 0.75 | 222.0 | 0.4611 | 0.2012 |
| 0.75 | 234.0 | 0.3493 | 0.2418 |
| 0.75 | 282.0 | -0.1621 | 0.2276 |
| 0.75 | 294.0 | -0.2057 | 0.2243 |
| 0.85 | 102.0 | 0.2577 | 0.2251 |
| 0.85 | 114.0 | 0.0124 | 0.2483 |
| 0.85 | 210.0 | 0.2726 | 0.2084 |
| 0.85 | 222.0 | -0.3786 | 0.1916 |
| 0.85 | 234.0 | -0.0839 | 0.204 |
| 0.85 | 246.0 | -0.1012 | 0.2178 |
| 0.95 | 126.0 | -0.3607 | 0.2371 |
| 0.95 | 234.0 | -0.4321 | 0.268 |
| 0.95 | 246.0 | 0.4399 | 0.2367 |
Experiment comment: