Measurement E151M3056
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1032 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.877 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 66.0 | 0.3276 | 0.2422 |
| 0.25 | 66.0 | 0.0368 | 0.2268 |
| 0.25 | 78.0 | -0.1672 | 0.2031 |
| 0.25 | 282.0 | -0.0799 | 0.2198 |
| 0.25 | 294.0 | -0.327 | 0.1971 |
| 0.25 | 306.0 | 0.0754 | 0.2828 |
| 0.35 | 66.0 | -0.1013 | 0.1863 |
| 0.35 | 78.0 | 0.0757 | 0.1803 |
| 0.35 | 90.0 | 0.4195 | 0.1835 |
| 0.35 | 270.0 | 0.203 | 0.2182 |
| 0.35 | 282.0 | -0.0496 | 0.169 |
| 0.35 | 294.0 | -0.1586 | 0.1982 |
| 0.35 | 306.0 | 0.0037 | 0.2613 |
| 0.35 | 330.0 | 0.2816 | 0.2469 |
| 0.45 | 66.0 | 0.4563 | 0.1716 |
| 0.45 | 78.0 | -0.127 | 0.1669 |
| 0.45 | 90.0 | 0.2201 | 0.183 |
| 0.45 | 102.0 | -0.1451 | 0.2517 |
| 0.45 | 114.0 | 0.4784 | 0.2074 |
| 0.45 | 126.0 | -0.007 | 0.2454 |
| 0.45 | 258.0 | -0.2343 | 0.1837 |
| 0.45 | 270.0 | 0.0219 | 0.1558 |
| 0.45 | 282.0 | 0.3216 | 0.1644 |
| 0.45 | 294.0 | 0.0758 | 0.1727 |
| 0.45 | 306.0 | 0.332 | 0.2687 |
| 0.55 | 66.0 | -0.3581 | 0.2615 |
| 0.55 | 78.0 | -0.0212 | 0.1758 |
| 0.55 | 90.0 | -0.1575 | 0.2295 |
| 0.55 | 102.0 | 0.1354 | 0.2072 |
| 0.55 | 114.0 | -0.0705 | 0.2024 |
| 0.55 | 126.0 | 0.0157 | 0.1839 |
| 0.55 | 138.0 | 0.0123 | 0.2133 |
| 0.55 | 198.0 | 0.6221 | 0.1997 |
| 0.55 | 210.0 | 0.629 | 0.1903 |
| 0.55 | 222.0 | 0.0548 | 0.2607 |
| 0.55 | 234.0 | 0.1199 | 0.2107 |
| 0.55 | 246.0 | 0.2509 | 0.179 |
| 0.55 | 258.0 | 0.1577 | 0.1778 |
| 0.55 | 270.0 | -0.0096 | 0.1819 |
| 0.55 | 282.0 | -0.2677 | 0.1371 |
| 0.55 | 294.0 | -0.3286 | 0.2012 |
| 0.55 | 306.0 | -0.059 | 0.2635 |
| 0.65 | 66.0 | -0.1369 | 0.1792 |
| 0.65 | 78.0 | -0.099 | 0.2175 |
| 0.65 | 90.0 | 0.0542 | 0.25 |
| 0.65 | 102.0 | -0.1228 | 0.2453 |
| 0.65 | 114.0 | 0.1764 | 0.1693 |
| 0.65 | 126.0 | 0.1957 | 0.155 |
| 0.65 | 138.0 | 0.1738 | 0.2283 |
| 0.65 | 150.0 | 0.1894 | 0.2431 |
| 0.65 | 198.0 | 0.0429 | 0.2135 |
| 0.65 | 210.0 | -0.4878 | 0.1785 |
| 0.65 | 222.0 | 0.2269 | 0.1631 |
| 0.65 | 234.0 | 0.0082 | 0.1729 |
| 0.65 | 246.0 | -0.119 | 0.2168 |
| 0.65 | 258.0 | 0.0519 | 0.236 |
| 0.65 | 270.0 | 0.0106 | 0.2113 |
| 0.65 | 282.0 | -0.1859 | 0.2063 |
| 0.65 | 294.0 | 0.0919 | 0.1817 |
| 0.65 | 306.0 | 0.0078 | 0.2435 |
| 0.75 | 66.0 | 0.5529 | 0.211 |
| 0.75 | 102.0 | 0.4434 | 0.1972 |
| 0.75 | 114.0 | -0.2989 | 0.1586 |
| 0.75 | 126.0 | 0.3061 | 0.1582 |
| 0.75 | 138.0 | 0.216 | 0.1801 |
| 0.75 | 150.0 | 0.3222 | 0.223 |
| 0.75 | 198.0 | -0.1444 | 0.2078 |
| 0.75 | 210.0 | -0.3455 | 0.167 |
| 0.75 | 222.0 | 0.0979 | 0.1642 |
| 0.75 | 234.0 | 0.0336 | 0.1504 |
| 0.75 | 246.0 | 0.0148 | 0.1662 |
| 0.75 | 258.0 | -0.0428 | 0.2643 |
| 0.75 | 270.0 | 0.1355 | 0.2589 |
| 0.75 | 282.0 | 0.0207 | 0.176 |
| 0.75 | 294.0 | -0.0054 | 0.1939 |
| 0.85 | 90.0 | 0.2829 | 0.2526 |
| 0.85 | 102.0 | 0.127 | 0.2003 |
| 0.85 | 114.0 | -0.2456 | 0.2244 |
| 0.85 | 126.0 | 0.4022 | 0.2122 |
| 0.85 | 138.0 | -0.0411 | 0.2122 |
| 0.85 | 198.0 | -0.4866 | 0.2106 |
| 0.85 | 210.0 | -0.1975 | 0.1967 |
| 0.85 | 222.0 | 0.0613 | 0.1744 |
| 0.85 | 234.0 | 0.3543 | 0.1527 |
| 0.85 | 246.0 | 0.2065 | 0.1563 |
| 0.85 | 258.0 | 0.3274 | 0.169 |
| 0.95 | 114.0 | 0.3466 | 0.2057 |
| 0.95 | 126.0 | -0.1632 | 0.2641 |
| 0.95 | 222.0 | -0.1157 | 0.2213 |
| 0.95 | 234.0 | 0.4938 | 0.1855 |
| 0.95 | 246.0 | -0.0971 | 0.2596 |
Experiment comment: