Measurement E151M2986
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.5316 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8892 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 66.0 | -0.3324 | 0.1995 |
| 0.55 | 270.0 | -0.2878 | 0.2701 |
| 0.65 | 102.0 | 0.1491 | 0.2339 |
| 0.65 | 270.0 | 0.1587 | 0.2522 |
| 0.75 | 78.0 | -0.4659 | 0.2419 |
| 0.75 | 90.0 | 0.0615 | 0.2234 |
| 0.75 | 102.0 | 0.2337 | 0.1862 |
| 0.75 | 114.0 | -0.0501 | 0.2506 |
| 0.75 | 234.0 | 0.0326 | 0.2749 |
| 0.75 | 246.0 | 0.2111 | 0.2467 |
| 0.75 | 258.0 | 0.0005 | 0.2194 |
| 0.75 | 270.0 | -0.2006 | 0.207 |
| 0.75 | 282.0 | -0.2188 | 0.2246 |
| 0.75 | 294.0 | -0.2521 | 0.2287 |
| 0.85 | 90.0 | 0.1096 | 0.1837 |
| 0.85 | 102.0 | -0.136 | 0.1796 |
| 0.85 | 114.0 | 0.1661 | 0.2145 |
| 0.85 | 126.0 | -0.1831 | 0.2596 |
| 0.85 | 138.0 | 0.1271 | 0.2443 |
| 0.85 | 222.0 | -0.0714 | 0.2623 |
| 0.85 | 234.0 | 0.0604 | 0.2284 |
| 0.85 | 246.0 | -0.1673 | 0.2053 |
| 0.85 | 258.0 | -0.341 | 0.2196 |
| 0.85 | 270.0 | -0.0181 | 0.2499 |
| 0.85 | 282.0 | -0.3549 | 0.1816 |
| 0.85 | 294.0 | -0.0601 | 0.1922 |
| 0.85 | 306.0 | -0.358 | 0.2596 |
| 0.95 | 102.0 | 0.2957 | 0.263 |
| 0.95 | 114.0 | -0.1725 | 0.2519 |
| 0.95 | 126.0 | 0.0738 | 0.2431 |
| 0.95 | 246.0 | 0.1768 | 0.2565 |
| 0.95 | 258.0 | 0.0197 | 0.1943 |
| 0.95 | 270.0 | -0.5311 | 0.2282 |
| 0.95 | 282.0 | -0.0155 | 0.2245 |
| 0.95 | 294.0 | 0.3204 | 0.2517 |
Experiment comment: