Measurement E151M3038
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0739 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9021 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | -0.0866 | 0.2396 |
| 0.25 | 18.0 | -0.1074 | 0.2788 |
| 0.25 | 30.0 | -0.0122 | 0.2279 |
| 0.25 | 54.0 | 0.2941 | 0.2065 |
| 0.25 | 66.0 | -0.1087 | 0.1754 |
| 0.25 | 78.0 | -0.0574 | 0.2021 |
| 0.25 | 270.0 | -0.5831 | 0.2152 |
| 0.25 | 282.0 | 0.0595 | 0.2256 |
| 0.25 | 294.0 | 0.0277 | 0.2145 |
| 0.25 | 306.0 | 0.0815 | 0.2793 |
| 0.25 | 318.0 | -0.5898 | 0.2014 |
| 0.25 | 330.0 | -0.4188 | 0.2044 |
| 0.35 | 18.0 | 0.2303 | 0.2437 |
| 0.35 | 30.0 | 0.1917 | 0.218 |
| 0.35 | 54.0 | -0.0793 | 0.1981 |
| 0.35 | 66.0 | 0.2917 | 0.1425 |
| 0.35 | 78.0 | -0.0016 | 0.1423 |
| 0.35 | 90.0 | 0.0493 | 0.1803 |
| 0.35 | 102.0 | 0.0414 | 0.2729 |
| 0.35 | 258.0 | -0.4847 | 0.2367 |
| 0.35 | 270.0 | 0.0561 | 0.1773 |
| 0.35 | 282.0 | 0.0204 | 0.1558 |
| 0.35 | 294.0 | -0.1806 | 0.1503 |
| 0.35 | 306.0 | 0.2468 | 0.198 |
| 0.35 | 330.0 | -0.0173 | 0.2026 |
| 0.35 | 342.0 | -0.2436 | 0.2431 |
| 0.45 | 18.0 | -0.1849 | 0.2434 |
| 0.45 | 30.0 | -0.0249 | 0.267 |
| 0.45 | 66.0 | 0.0076 | 0.1432 |
| 0.45 | 78.0 | -0.094 | 0.1257 |
| 0.45 | 90.0 | -0.0771 | 0.1473 |
| 0.45 | 102.0 | 0.4694 | 0.1864 |
| 0.45 | 114.0 | -0.0906 | 0.2458 |
| 0.45 | 126.0 | 0.1678 | 0.2307 |
| 0.45 | 138.0 | 0.7062 | 0.2074 |
| 0.45 | 258.0 | -0.0899 | 0.1764 |
| 0.45 | 270.0 | -0.1385 | 0.1229 |
| 0.45 | 282.0 | 0.0007 | 0.1447 |
| 0.45 | 294.0 | 0.0414 | 0.1548 |
| 0.45 | 306.0 | -0.3016 | 0.2109 |
| 0.55 | 66.0 | -0.1528 | 0.2271 |
| 0.55 | 78.0 | -0.2288 | 0.1439 |
| 0.55 | 90.0 | -0.0042 | 0.1569 |
| 0.55 | 102.0 | -0.0111 | 0.1642 |
| 0.55 | 114.0 | 0.0823 | 0.1652 |
| 0.55 | 126.0 | -0.2124 | 0.1628 |
| 0.55 | 138.0 | 0.0554 | 0.1707 |
| 0.55 | 150.0 | -0.011 | 0.2549 |
| 0.55 | 198.0 | 0.2703 | 0.2572 |
| 0.55 | 210.0 | 0.2974 | 0.1932 |
| 0.55 | 222.0 | 0.1353 | 0.1983 |
| 0.55 | 234.0 | 0.2213 | 0.1917 |
| 0.55 | 246.0 | 0.1797 | 0.1787 |
| 0.55 | 258.0 | -0.3825 | 0.159 |
| 0.55 | 270.0 | -0.1226 | 0.1267 |
| 0.55 | 282.0 | -0.3255 | 0.1224 |
| 0.55 | 294.0 | -0.0276 | 0.1731 |
| 0.65 | 66.0 | -0.2034 | 0.1875 |
| 0.65 | 78.0 | -0.0039 | 0.1786 |
| 0.65 | 90.0 | 0.0992 | 0.1764 |
| 0.65 | 102.0 | 0.0227 | 0.184 |
| 0.65 | 114.0 | -0.0226 | 0.1309 |
| 0.65 | 126.0 | 0.1956 | 0.1278 |
| 0.65 | 138.0 | -0.0482 | 0.1564 |
| 0.65 | 150.0 | 0.1368 | 0.1639 |
| 0.65 | 162.0 | -0.0135 | 0.2635 |
| 0.65 | 198.0 | -0.4423 | 0.1784 |
| 0.65 | 210.0 | 0.126 | 0.1711 |
| 0.65 | 222.0 | -0.149 | 0.1471 |
| 0.65 | 234.0 | -0.029 | 0.1376 |
| 0.65 | 246.0 | -0.1072 | 0.1674 |
| 0.65 | 258.0 | -0.1445 | 0.1556 |
| 0.65 | 270.0 | -0.3259 | 0.1511 |
| 0.65 | 282.0 | 0.1858 | 0.1781 |
| 0.65 | 294.0 | -0.0305 | 0.1808 |
| 0.65 | 306.0 | -0.3336 | 0.2353 |
| 0.75 | 66.0 | 0.2057 | 0.2029 |
| 0.75 | 78.0 | -0.0149 | 0.1968 |
| 0.75 | 90.0 | 0.1288 | 0.2432 |
| 0.75 | 102.0 | 0.0111 | 0.2191 |
| 0.75 | 114.0 | -0.1733 | 0.1544 |
| 0.75 | 126.0 | -0.0074 | 0.1471 |
| 0.75 | 138.0 | -0.1076 | 0.1611 |
| 0.75 | 150.0 | 0.0169 | 0.1918 |
| 0.75 | 186.0 | 0.162 | 0.2624 |
| 0.75 | 198.0 | -0.335 | 0.1745 |
| 0.75 | 210.0 | 0.2172 | 0.1428 |
| 0.75 | 222.0 | 0.1931 | 0.1438 |
| 0.75 | 234.0 | -0.183 | 0.1339 |
| 0.75 | 246.0 | -0.1447 | 0.1648 |
| 0.75 | 258.0 | -0.0185 | 0.2035 |
| 0.75 | 270.0 | 0.3008 | 0.1951 |
| 0.75 | 282.0 | -0.2355 | 0.1385 |
| 0.75 | 294.0 | 0.0958 | 0.1932 |
| 0.85 | 90.0 | -0.2723 | 0.2278 |
| 0.85 | 102.0 | 0.0582 | 0.1783 |
| 0.85 | 114.0 | 0.1557 | 0.1966 |
| 0.85 | 126.0 | 0.041 | 0.2629 |
| 0.85 | 138.0 | -0.1119 | 0.2182 |
| 0.85 | 150.0 | -0.6897 | 0.2116 |
| 0.85 | 198.0 | -0.1506 | 0.1841 |
| 0.85 | 210.0 | -0.1974 | 0.1761 |
| 0.85 | 222.0 | 0.2148 | 0.1607 |
| 0.85 | 234.0 | -0.0049 | 0.1445 |
| 0.85 | 246.0 | -0.1735 | 0.1611 |
| 0.85 | 258.0 | -0.432 | 0.186 |
| 0.85 | 270.0 | 0.1017 | 0.2345 |
| 0.95 | 222.0 | 0.3296 | 0.2123 |
| 0.95 | 234.0 | 0.272 | 0.2018 |
Experiment comment: