Measurement E151M3440
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.6798 | |
| Q2: | 0.348 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9426 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -0.0627 | 0.2622 |
| 0.15 | 66.0 | 0.1365 | 0.2303 |
| 0.15 | 294.0 | -0.0656 | 0.2625 |
| 0.55 | 66.0 | 0.0327 | 0.2523 |
| 0.55 | 78.0 | -0.1739 | 0.2199 |
| 0.55 | 90.0 | 0.1279 | 0.2278 |
| 0.55 | 102.0 | 0.7129 | 0.2165 |
| 0.55 | 282.0 | 0.1393 | 0.244 |
| 0.65 | 66.0 | 0.3621 | 0.2191 |
| 0.65 | 78.0 | -0.1097 | 0.1693 |
| 0.65 | 90.0 | -0.1352 | 0.1659 |
| 0.65 | 102.0 | 0.0835 | 0.1774 |
| 0.65 | 258.0 | 0.3115 | 0.1762 |
| 0.65 | 270.0 | 0.0807 | 0.1935 |
| 0.65 | 282.0 | -0.017 | 0.1873 |
| 0.65 | 294.0 | -0.1779 | 0.241 |
| 0.75 | 54.0 | -0.1913 | 0.2185 |
| 0.75 | 66.0 | 0.2972 | 0.1859 |
| 0.75 | 78.0 | -0.273 | 0.1578 |
| 0.75 | 90.0 | 0.1351 | 0.1643 |
| 0.75 | 102.0 | 0.295 | 0.1526 |
| 0.75 | 114.0 | 0.0146 | 0.1845 |
| 0.75 | 234.0 | 0.0351 | 0.2488 |
| 0.75 | 246.0 | 0.2463 | 0.207 |
| 0.75 | 258.0 | 0.2131 | 0.1642 |
| 0.75 | 270.0 | 0.1825 | 0.153 |
| 0.75 | 282.0 | -0.2385 | 0.1812 |
| 0.75 | 294.0 | 0.0386 | 0.1732 |
| 0.75 | 306.0 | -0.2819 | 0.2021 |
| 0.85 | 42.0 | 0.2323 | 0.2479 |
| 0.85 | 66.0 | -0.0044 | 0.2297 |
| 0.85 | 78.0 | -0.0697 | 0.1723 |
| 0.85 | 90.0 | -0.0041 | 0.1627 |
| 0.85 | 102.0 | 0.1895 | 0.1594 |
| 0.85 | 114.0 | 0.0128 | 0.1807 |
| 0.85 | 126.0 | 0.2933 | 0.178 |
| 0.85 | 138.0 | 0.0251 | 0.2711 |
| 0.85 | 198.0 | -0.2318 | 0.2591 |
| 0.85 | 210.0 | -0.2905 | 0.2216 |
| 0.85 | 222.0 | -0.0952 | 0.2327 |
| 0.85 | 234.0 | -0.0523 | 0.192 |
| 0.85 | 246.0 | -0.069 | 0.1871 |
| 0.85 | 258.0 | 0.0463 | 0.1613 |
| 0.85 | 270.0 | -0.0477 | 0.1374 |
| 0.85 | 282.0 | -0.2568 | 0.1479 |
| 0.85 | 294.0 | 0.123 | 0.1426 |
| 0.85 | 306.0 | -0.0191 | 0.1838 |
| 0.85 | 318.0 | 0.2777 | 0.1975 |
| 0.85 | 330.0 | -0.4829 | 0.2324 |
| 0.95 | 66.0 | 0.0303 | 0.2626 |
| 0.95 | 78.0 | -0.1373 | 0.2151 |
| 0.95 | 90.0 | -0.1758 | 0.1943 |
| 0.95 | 102.0 | 0.2095 | 0.2107 |
| 0.95 | 114.0 | -0.1556 | 0.2256 |
| 0.95 | 126.0 | -0.1067 | 0.2365 |
| 0.95 | 186.0 | -0.5764 | 0.2198 |
| 0.95 | 198.0 | -0.1649 | 0.2629 |
| 0.95 | 210.0 | -0.0962 | 0.2235 |
| 0.95 | 222.0 | -0.0755 | 0.2055 |
| 0.95 | 234.0 | 0.4874 | 0.1814 |
| 0.95 | 246.0 | 0.0048 | 0.1948 |
| 0.95 | 258.0 | -0.0292 | 0.1646 |
| 0.95 | 270.0 | -0.0191 | 0.1809 |
| 0.95 | 282.0 | -0.5482 | 0.1789 |
| 0.95 | 294.0 | 0.0772 | 0.1823 |
| 0.95 | 306.0 | -0.1422 | 0.1642 |
| 0.95 | 318.0 | 0.0108 | 0.1686 |
| 0.95 | 330.0 | -0.1705 | 0.1797 |
| 0.95 | 342.0 | -0.3535 | 0.2476 |
Experiment comment: