Measurement E151M3417
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.8307 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9581 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -0.4098 | 0.2309 |
| 0.05 | 66.0 | -0.276 | 0.2116 |
| 0.15 | 54.0 | 0.157 | 0.2597 |
| 0.15 | 66.0 | -0.2944 | 0.2015 |
| 0.15 | 306.0 | -0.2249 | 0.2217 |
| 0.25 | 54.0 | 0.0456 | 0.2448 |
| 0.25 | 66.0 | 0.2675 | 0.1711 |
| 0.35 | 54.0 | 0.0363 | 0.254 |
| 0.35 | 66.0 | 0.0014 | 0.232 |
| 0.45 | 282.0 | -0.372 | 0.2182 |
| 0.45 | 294.0 | -0.1723 | 0.2306 |
| 0.55 | 66.0 | 0.2075 | 0.2582 |
| 0.55 | 78.0 | -0.2459 | 0.2085 |
| 0.55 | 90.0 | 0.0111 | 0.1977 |
| 0.55 | 270.0 | -0.1689 | 0.1862 |
| 0.55 | 282.0 | 0.2589 | 0.1618 |
| 0.55 | 294.0 | -0.1069 | 0.2567 |
| 0.65 | 66.0 | 0.0602 | 0.1841 |
| 0.65 | 78.0 | 0.0013 | 0.1519 |
| 0.65 | 90.0 | 0.2593 | 0.1474 |
| 0.65 | 102.0 | -0.1412 | 0.221 |
| 0.65 | 258.0 | -0.3258 | 0.2442 |
| 0.65 | 270.0 | 0.4441 | 0.1587 |
| 0.65 | 282.0 | -0.2036 | 0.1467 |
| 0.65 | 294.0 | -0.0985 | 0.1894 |
| 0.65 | 306.0 | 0.2285 | 0.2241 |
| 0.75 | 66.0 | 0.1725 | 0.1479 |
| 0.75 | 78.0 | 0.1444 | 0.1523 |
| 0.75 | 90.0 | 0.0835 | 0.1408 |
| 0.75 | 102.0 | 0.1806 | 0.1529 |
| 0.75 | 114.0 | -0.0828 | 0.2637 |
| 0.75 | 246.0 | 0.2918 | 0.1795 |
| 0.75 | 258.0 | -0.1324 | 0.1426 |
| 0.75 | 270.0 | 0.2067 | 0.1568 |
| 0.75 | 282.0 | -0.0714 | 0.1472 |
| 0.75 | 294.0 | -0.152 | 0.1475 |
| 0.75 | 306.0 | -0.1831 | 0.1496 |
| 0.85 | 54.0 | -0.4471 | 0.2374 |
| 0.85 | 66.0 | 0.0222 | 0.1394 |
| 0.85 | 78.0 | 0.042 | 0.1354 |
| 0.85 | 90.0 | 0.0028 | 0.1396 |
| 0.85 | 102.0 | 0.1322 | 0.1486 |
| 0.85 | 114.0 | 0.1519 | 0.1515 |
| 0.85 | 126.0 | 0.319 | 0.178 |
| 0.85 | 222.0 | 0.1077 | 0.2298 |
| 0.85 | 234.0 | -0.2865 | 0.2128 |
| 0.85 | 246.0 | 0.0525 | 0.1645 |
| 0.85 | 258.0 | 0.0305 | 0.1482 |
| 0.85 | 270.0 | 0.0222 | 0.1406 |
| 0.85 | 282.0 | 0.0086 | 0.1317 |
| 0.85 | 294.0 | -0.1993 | 0.141 |
| 0.85 | 306.0 | -0.3567 | 0.1488 |
| 0.85 | 318.0 | 0.1177 | 0.1974 |
| 0.95 | 54.0 | -0.0885 | 0.2016 |
| 0.95 | 66.0 | 0.5176 | 0.1372 |
| 0.95 | 78.0 | 0.2017 | 0.1655 |
| 0.95 | 90.0 | 0.3001 | 0.1575 |
| 0.95 | 102.0 | 0.041 | 0.1809 |
| 0.95 | 114.0 | 0.0788 | 0.1847 |
| 0.95 | 126.0 | 0.5357 | 0.1752 |
| 0.95 | 138.0 | 0.0265 | 0.2006 |
| 0.95 | 210.0 | 0.5049 | 0.199 |
| 0.95 | 222.0 | 0.3492 | 0.2175 |
| 0.95 | 234.0 | 0.4309 | 0.1948 |
| 0.95 | 246.0 | 0.173 | 0.1955 |
| 0.95 | 258.0 | 0.0267 | 0.1753 |
| 0.95 | 270.0 | -0.1456 | 0.1742 |
| 0.95 | 282.0 | 0.0978 | 0.1732 |
| 0.95 | 294.0 | -0.1079 | 0.1775 |
| 0.95 | 306.0 | 0.0638 | 0.193 |
| 0.95 | 318.0 | -0.2704 | 0.2117 |
| 0.95 | 330.0 | -0.3994 | 0.2221 |
Experiment comment: