Measurement E151M2966
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3506 | |
| Q2: | 0.101 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9397 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 306.0 | -0.092 | 0.2646 |
| 0.15 | 66.0 | -0.0684 | 0.2458 |
| 0.15 | 306.0 | -0.129 | 0.2324 |
| 0.15 | 318.0 | 0.0792 | 0.2631 |
| 0.25 | 66.0 | -0.3258 | 0.1875 |
| 0.25 | 78.0 | -0.4792 | 0.2011 |
| 0.25 | 294.0 | -0.0363 | 0.2138 |
| 0.25 | 306.0 | -0.0659 | 0.2056 |
| 0.25 | 318.0 | 0.0146 | 0.2825 |
| 0.35 | 66.0 | 0.0223 | 0.1841 |
| 0.35 | 78.0 | 0.0172 | 0.2037 |
| 0.35 | 282.0 | 0.3456 | 0.2314 |
| 0.35 | 294.0 | 0.1526 | 0.1733 |
| 0.35 | 306.0 | 0.3879 | 0.1993 |
| 0.45 | 66.0 | 0.2372 | 0.1659 |
| 0.45 | 78.0 | 0.0308 | 0.1664 |
| 0.45 | 90.0 | -0.3539 | 0.2144 |
| 0.45 | 282.0 | -0.3472 | 0.2263 |
| 0.45 | 294.0 | -0.0729 | 0.1856 |
| 0.55 | 66.0 | -0.1234 | 0.1857 |
| 0.55 | 78.0 | -0.1639 | 0.1907 |
| 0.55 | 90.0 | 0.3183 | 0.2179 |
| 0.55 | 258.0 | 0.132 | 0.2702 |
| 0.55 | 270.0 | 0.2519 | 0.2153 |
| 0.55 | 282.0 | -0.2126 | 0.1896 |
| 0.55 | 294.0 | 0.6808 | 0.1791 |
| 0.65 | 66.0 | -0.0109 | 0.2631 |
| 0.65 | 90.0 | 0.1867 | 0.2256 |
| 0.65 | 102.0 | -0.3323 | 0.191 |
| 0.65 | 114.0 | -0.0664 | 0.1961 |
| 0.65 | 126.0 | 0.235 | 0.278 |
| 0.65 | 246.0 | -0.2018 | 0.1966 |
| 0.65 | 258.0 | -0.0513 | 0.1601 |
| 0.65 | 270.0 | 0.1179 | 0.1577 |
| 0.65 | 282.0 | 0.156 | 0.2419 |
| 0.75 | 90.0 | -0.2551 | 0.2176 |
| 0.75 | 102.0 | -0.2315 | 0.2108 |
| 0.75 | 114.0 | 0.1795 | 0.159 |
| 0.75 | 126.0 | 0.1612 | 0.1676 |
| 0.75 | 138.0 | -0.3203 | 0.2246 |
| 0.75 | 222.0 | 0.1134 | 0.2365 |
| 0.75 | 234.0 | 0.1836 | 0.1753 |
| 0.75 | 246.0 | -0.1419 | 0.1537 |
| 0.75 | 258.0 | -0.1718 | 0.1342 |
| 0.75 | 270.0 | -0.2315 | 0.1597 |
| 0.75 | 282.0 | -0.0947 | 0.1776 |
| 0.85 | 90.0 | 0.1733 | 0.2324 |
| 0.85 | 102.0 | 0.3237 | 0.1494 |
| 0.85 | 114.0 | -0.0469 | 0.151 |
| 0.85 | 126.0 | -0.2849 | 0.1661 |
| 0.85 | 138.0 | -0.063 | 0.1733 |
| 0.85 | 150.0 | 0.2866 | 0.1716 |
| 0.85 | 162.0 | -0.097 | 0.2611 |
| 0.85 | 210.0 | 0.2102 | 0.2152 |
| 0.85 | 222.0 | 0.0913 | 0.1961 |
| 0.85 | 234.0 | -0.044 | 0.1644 |
| 0.85 | 246.0 | -0.0815 | 0.1523 |
| 0.85 | 258.0 | 0.012 | 0.1408 |
| 0.85 | 270.0 | -0.059 | 0.1439 |
| 0.85 | 282.0 | -0.0828 | 0.1737 |
| 0.95 | 102.0 | -0.0376 | 0.2283 |
| 0.95 | 114.0 | -0.1273 | 0.1788 |
| 0.95 | 126.0 | 0.1302 | 0.201 |
| 0.95 | 138.0 | -0.0429 | 0.2102 |
| 0.95 | 150.0 | -0.0852 | 0.2236 |
| 0.95 | 174.0 | 0.1498 | 0.2613 |
| 0.95 | 222.0 | -0.0083 | 0.2073 |
| 0.95 | 234.0 | -0.3109 | 0.1876 |
| 0.95 | 246.0 | 0.0091 | 0.1765 |
| 0.95 | 258.0 | -0.1263 | 0.1638 |
| 0.95 | 270.0 | 0.0348 | 0.1827 |
| 0.95 | 282.0 | 0.3402 | 0.232 |
Experiment comment: