Measurement E151M3415
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.6964 | |
| Q2: | 0.205 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9677 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| -0.05 | 306.0 | -0.6082 | 0.1877 |
| 0.05 | 54.0 | -0.2289 | 0.2765 |
| 0.05 | 66.0 | 0.3868 | 0.2226 |
| 0.05 | 306.0 | 0.2818 | 0.199 |
| 0.05 | 318.0 | -0.5523 | 0.2103 |
| 0.15 | 54.0 | -0.0252 | 0.2234 |
| 0.15 | 66.0 | -0.1381 | 0.1719 |
| 0.15 | 294.0 | -0.1294 | 0.2269 |
| 0.15 | 306.0 | -0.1824 | 0.1901 |
| 0.25 | 54.0 | 0.44 | 0.1885 |
| 0.25 | 66.0 | 0.079 | 0.1435 |
| 0.25 | 78.0 | -0.3926 | 0.2045 |
| 0.25 | 294.0 | 0.3374 | 0.2152 |
| 0.25 | 306.0 | 0.077 | 0.2493 |
| 0.35 | 54.0 | 0.0236 | 0.2377 |
| 0.35 | 66.0 | 0.0663 | 0.1624 |
| 0.35 | 78.0 | -0.0473 | 0.1966 |
| 0.35 | 282.0 | 0.0302 | 0.2578 |
| 0.35 | 294.0 | 0.3279 | 0.2181 |
| 0.35 | 306.0 | -0.1401 | 0.2792 |
| 0.45 | 66.0 | 0.2659 | 0.1854 |
| 0.45 | 78.0 | 0.0596 | 0.2172 |
| 0.45 | 282.0 | 0.0098 | 0.1887 |
| 0.45 | 294.0 | -0.1983 | 0.2082 |
| 0.55 | 66.0 | 0.3855 | 0.2007 |
| 0.55 | 78.0 | -0.3879 | 0.2034 |
| 0.55 | 90.0 | 0.4905 | 0.1891 |
| 0.55 | 270.0 | 0.107 | 0.1889 |
| 0.55 | 282.0 | -0.0345 | 0.1647 |
| 0.55 | 294.0 | 0.1152 | 0.1886 |
| 0.65 | 66.0 | -0.0338 | 0.1888 |
| 0.65 | 78.0 | -0.1739 | 0.1546 |
| 0.65 | 90.0 | 0.0087 | 0.1575 |
| 0.65 | 102.0 | 0.2135 | 0.1761 |
| 0.65 | 258.0 | -0.1094 | 0.1567 |
| 0.65 | 270.0 | -0.2867 | 0.1334 |
| 0.65 | 282.0 | 0.007 | 0.122 |
| 0.65 | 294.0 | 0.3058 | 0.1416 |
| 0.65 | 306.0 | -0.2975 | 0.2816 |
| 0.75 | 66.0 | 0.0605 | 0.1544 |
| 0.75 | 78.0 | 0.0104 | 0.1312 |
| 0.75 | 90.0 | 0.1433 | 0.1111 |
| 0.75 | 102.0 | 0.1235 | 0.1238 |
| 0.75 | 114.0 | -0.0863 | 0.1663 |
| 0.75 | 234.0 | 0.4674 | 0.2163 |
| 0.75 | 246.0 | 0.0377 | 0.1628 |
| 0.75 | 258.0 | -0.0084 | 0.1159 |
| 0.75 | 270.0 | -0.0368 | 0.1154 |
| 0.75 | 282.0 | -0.2786 | 0.1166 |
| 0.75 | 294.0 | -0.1744 | 0.1297 |
| 0.75 | 306.0 | -0.1305 | 0.1899 |
| 0.85 | 66.0 | -0.0766 | 0.155 |
| 0.85 | 78.0 | 0.0387 | 0.1028 |
| 0.85 | 90.0 | -0.0384 | 0.1067 |
| 0.85 | 102.0 | 0.1568 | 0.1081 |
| 0.85 | 114.0 | -0.1431 | 0.1275 |
| 0.85 | 126.0 | -0.2759 | 0.1587 |
| 0.85 | 138.0 | -0.2113 | 0.2058 |
| 0.85 | 210.0 | 0.17 | 0.2583 |
| 0.85 | 222.0 | -0.6012 | 0.1591 |
| 0.85 | 234.0 | -0.2942 | 0.1626 |
| 0.85 | 246.0 | 0.1467 | 0.1355 |
| 0.85 | 258.0 | 0.0143 | 0.1244 |
| 0.85 | 270.0 | 0.2172 | 0.1095 |
| 0.85 | 282.0 | 0.1931 | 0.119 |
| 0.85 | 294.0 | -0.1675 | 0.1144 |
| 0.85 | 306.0 | -0.2499 | 0.1379 |
| 0.95 | 54.0 | -0.4567 | 0.2215 |
| 0.95 | 66.0 | -0.2034 | 0.161 |
| 0.95 | 78.0 | -0.0651 | 0.1446 |
| 0.95 | 90.0 | 0.1844 | 0.1242 |
| 0.95 | 102.0 | -0.1562 | 0.1337 |
| 0.95 | 114.0 | -0.0081 | 0.1426 |
| 0.95 | 126.0 | 0.1952 | 0.1412 |
| 0.95 | 138.0 | 0.3707 | 0.1518 |
| 0.95 | 150.0 | -0.1129 | 0.1749 |
| 0.95 | 162.0 | -0.2021 | 0.2212 |
| 0.95 | 174.0 | -0.0141 | 0.2161 |
| 0.95 | 186.0 | 0.3223 | 0.2153 |
| 0.95 | 198.0 | -0.3993 | 0.2133 |
| 0.95 | 210.0 | -0.4696 | 0.204 |
| 0.95 | 222.0 | 0.1597 | 0.1815 |
| 0.95 | 234.0 | 0.0984 | 0.1772 |
| 0.95 | 246.0 | 0.1779 | 0.1569 |
| 0.95 | 258.0 | -0.0564 | 0.1331 |
| 0.95 | 270.0 | 0.3155 | 0.1332 |
| 0.95 | 282.0 | 0.0078 | 0.1551 |
| 0.95 | 294.0 | 0.1307 | 0.1331 |
| 0.95 | 306.0 | -0.1056 | 0.1564 |
| 0.95 | 318.0 | -0.1592 | 0.2067 |
| 0.95 | 330.0 | 0.302 | 0.2479 |
Experiment comment: