Measurement E151M3013
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2484 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9033 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.0301 | 0.2464 |
| 0.25 | 78.0 | -0.5123 | 0.2369 |
| 0.25 | 294.0 | 0.2915 | 0.2245 |
| 0.25 | 306.0 | 0.3327 | 0.2663 |
| 0.35 | 66.0 | 0.1458 | 0.1895 |
| 0.35 | 78.0 | 0.0053 | 0.1846 |
| 0.35 | 282.0 | -0.6108 | 0.174 |
| 0.35 | 294.0 | 0.2426 | 0.1978 |
| 0.35 | 306.0 | 0.7289 | 0.1744 |
| 0.45 | 66.0 | -0.2758 | 0.215 |
| 0.45 | 78.0 | -0.3016 | 0.1943 |
| 0.45 | 90.0 | -0.152 | 0.2607 |
| 0.45 | 282.0 | 0.2579 | 0.2291 |
| 0.45 | 294.0 | 0.0781 | 0.192 |
| 0.55 | 66.0 | -0.0817 | 0.2327 |
| 0.55 | 78.0 | -0.0939 | 0.2011 |
| 0.55 | 90.0 | 0.1529 | 0.2387 |
| 0.55 | 114.0 | 0.2519 | 0.2419 |
| 0.55 | 258.0 | 0.1386 | 0.2712 |
| 0.55 | 270.0 | 0.0059 | 0.2689 |
| 0.55 | 282.0 | -0.0197 | 0.2444 |
| 0.55 | 306.0 | -0.2819 | 0.2564 |
| 0.65 | 54.0 | -0.0635 | 0.2813 |
| 0.65 | 66.0 | -0.1945 | 0.2406 |
| 0.65 | 90.0 | 0.2648 | 0.2505 |
| 0.65 | 102.0 | 0.4805 | 0.1761 |
| 0.65 | 114.0 | 0.1133 | 0.1951 |
| 0.65 | 126.0 | 0.3541 | 0.1963 |
| 0.65 | 138.0 | 0.0318 | 0.24 |
| 0.65 | 222.0 | 0.0882 | 0.2808 |
| 0.65 | 234.0 | 0.1364 | 0.2741 |
| 0.65 | 246.0 | 0.0359 | 0.213 |
| 0.65 | 258.0 | -0.4602 | 0.1814 |
| 0.65 | 270.0 | -0.1373 | 0.2454 |
| 0.75 | 90.0 | 0.1807 | 0.2056 |
| 0.75 | 102.0 | 0.1974 | 0.1505 |
| 0.75 | 114.0 | 0.1508 | 0.1519 |
| 0.75 | 126.0 | 0.1724 | 0.1705 |
| 0.75 | 138.0 | 0.2008 | 0.23 |
| 0.75 | 210.0 | 0.0761 | 0.2263 |
| 0.75 | 222.0 | -0.2865 | 0.1961 |
| 0.75 | 234.0 | 0.1461 | 0.193 |
| 0.75 | 246.0 | 0.1635 | 0.1663 |
| 0.75 | 258.0 | -0.2965 | 0.1622 |
| 0.75 | 270.0 | -0.3841 | 0.194 |
| 0.85 | 78.0 | -0.1271 | 0.2358 |
| 0.85 | 90.0 | 0.2601 | 0.2699 |
| 0.85 | 102.0 | -0.2304 | 0.1832 |
| 0.85 | 114.0 | 0.2432 | 0.1705 |
| 0.85 | 126.0 | 0.2198 | 0.1934 |
| 0.85 | 138.0 | 0.1309 | 0.1963 |
| 0.85 | 150.0 | 0.0349 | 0.2597 |
| 0.85 | 210.0 | -0.1957 | 0.269 |
| 0.85 | 222.0 | -0.3731 | 0.1692 |
| 0.85 | 234.0 | -0.0742 | 0.1998 |
| 0.85 | 246.0 | 0.197 | 0.1629 |
| 0.85 | 258.0 | -0.1533 | 0.153 |
| 0.85 | 270.0 | -0.1633 | 0.1883 |
| 0.85 | 282.0 | -0.0333 | 0.2372 |
| 0.95 | 90.0 | 0.4725 | 0.2155 |
| 0.95 | 102.0 | -0.1308 | 0.2514 |
| 0.95 | 114.0 | -0.3564 | 0.2521 |
| 0.95 | 126.0 | -0.2386 | 0.2445 |
| 0.95 | 210.0 | -0.1858 | 0.2707 |
| 0.95 | 222.0 | -0.0146 | 0.2526 |
| 0.95 | 234.0 | 0.0438 | 0.1965 |
| 0.95 | 246.0 | -0.4905 | 0.1595 |
| 0.95 | 258.0 | 0.0357 | 0.2025 |
| 0.95 | 270.0 | -0.1272 | 0.1706 |
| 0.95 | 282.0 | 0.1206 | 0.2425 |
Experiment comment: