Measurement E151M3508
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2675 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9194 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | 0.2218 | 0.2736 |
| 0.05 | 294.0 | -0.0048 | 0.2824 |
| 0.15 | 66.0 | -0.015 | 0.2227 |
| 0.15 | 282.0 | -0.0869 | 0.2549 |
| 0.15 | 294.0 | 0.0833 | 0.2289 |
| 0.25 | 66.0 | -0.0094 | 0.2137 |
| 0.25 | 270.0 | -0.3327 | 0.2232 |
| 0.25 | 282.0 | 0.2279 | 0.2198 |
| 0.25 | 294.0 | -0.5811 | 0.1472 |
| 0.25 | 306.0 | -0.1643 | 0.2669 |
| 0.35 | 66.0 | 0.2398 | 0.2321 |
| 0.35 | 270.0 | -0.4405 | 0.2165 |
| 0.35 | 282.0 | 0.0569 | 0.1855 |
| 0.35 | 294.0 | -0.1161 | 0.1955 |
| 0.45 | 54.0 | -0.2596 | 0.2526 |
| 0.45 | 90.0 | -0.0773 | 0.2174 |
| 0.45 | 102.0 | 0.0682 | 0.2207 |
| 0.45 | 114.0 | -0.1039 | 0.2795 |
| 0.45 | 270.0 | -0.0709 | 0.2315 |
| 0.45 | 282.0 | -0.2553 | 0.1716 |
| 0.45 | 294.0 | -0.7551 | 0.1514 |
| 0.55 | 90.0 | 0.2262 | 0.1937 |
| 0.55 | 102.0 | -0.0224 | 0.1791 |
| 0.55 | 114.0 | 0.4061 | 0.1935 |
| 0.55 | 126.0 | -0.2632 | 0.2133 |
| 0.55 | 234.0 | -0.2897 | 0.2202 |
| 0.55 | 246.0 | 0.0231 | 0.2428 |
| 0.55 | 270.0 | 0.3639 | 0.2512 |
| 0.55 | 282.0 | 0.0025 | 0.2196 |
| 0.55 | 306.0 | 0.0127 | 0.1965 |
| 0.65 | 90.0 | 0.0375 | 0.1601 |
| 0.65 | 102.0 | 0.3356 | 0.1329 |
| 0.65 | 114.0 | 0.234 | 0.1731 |
| 0.65 | 126.0 | 0.1321 | 0.1798 |
| 0.65 | 138.0 | -0.0434 | 0.2595 |
| 0.65 | 210.0 | -0.1715 | 0.2011 |
| 0.65 | 222.0 | 0.1991 | 0.2343 |
| 0.65 | 234.0 | 0.4567 | 0.1854 |
| 0.65 | 246.0 | -0.3441 | 0.1921 |
| 0.65 | 258.0 | -0.1573 | 0.2672 |
| 0.65 | 270.0 | -0.3011 | 0.2305 |
| 0.65 | 294.0 | 0.1135 | 0.2119 |
| 0.65 | 306.0 | 0.1277 | 0.2117 |
| 0.75 | 66.0 | 0.2433 | 0.1745 |
| 0.75 | 78.0 | 0.37 | 0.2339 |
| 0.75 | 90.0 | 0.0597 | 0.1676 |
| 0.75 | 102.0 | 0.2803 | 0.1642 |
| 0.75 | 114.0 | -0.1228 | 0.1529 |
| 0.75 | 126.0 | 0.2167 | 0.203 |
| 0.75 | 138.0 | -0.1313 | 0.2149 |
| 0.75 | 186.0 | -0.0878 | 0.2595 |
| 0.75 | 198.0 | 0.2527 | 0.2229 |
| 0.75 | 210.0 | 0.2027 | 0.1787 |
| 0.75 | 222.0 | -0.1275 | 0.1561 |
| 0.75 | 234.0 | -0.0318 | 0.1482 |
| 0.75 | 246.0 | 0.0709 | 0.152 |
| 0.75 | 258.0 | 0.0518 | 0.172 |
| 0.75 | 270.0 | -0.1651 | 0.1837 |
| 0.85 | 66.0 | 0.0315 | 0.1455 |
| 0.85 | 78.0 | 0.0237 | 0.1571 |
| 0.85 | 90.0 | 0.5629 | 0.2099 |
| 0.85 | 102.0 | 0.0644 | 0.1638 |
| 0.85 | 114.0 | -0.1953 | 0.1721 |
| 0.85 | 126.0 | -0.1909 | 0.2089 |
| 0.85 | 138.0 | 0.3642 | 0.225 |
| 0.85 | 162.0 | -0.4001 | 0.248 |
| 0.85 | 186.0 | -0.1756 | 0.2042 |
| 0.85 | 198.0 | -0.2218 | 0.1758 |
| 0.85 | 210.0 | -0.2169 | 0.1575 |
| 0.85 | 222.0 | -0.1006 | 0.1582 |
| 0.85 | 234.0 | -0.2401 | 0.1318 |
| 0.85 | 246.0 | -0.0729 | 0.1433 |
| 0.85 | 258.0 | -0.0642 | 0.1314 |
| 0.85 | 270.0 | -0.1242 | 0.1528 |
| 0.85 | 282.0 | 0.0209 | 0.2073 |
| 0.85 | 294.0 | -0.2507 | 0.2285 |
| 0.95 | 66.0 | -0.0251 | 0.2531 |
| 0.95 | 78.0 | 0.3354 | 0.2069 |
| 0.95 | 90.0 | 0.3008 | 0.2155 |
| 0.95 | 138.0 | -0.301 | 0.2523 |
| 0.95 | 174.0 | 0.3702 | 0.2228 |
| 0.95 | 186.0 | -0.1163 | 0.2501 |
| 0.95 | 198.0 | 0.4147 | 0.2041 |
| 0.95 | 210.0 | -0.1705 | 0.1832 |
| 0.95 | 222.0 | 0.1398 | 0.1713 |
| 0.95 | 234.0 | -0.1435 | 0.1789 |
| 0.95 | 246.0 | 0.0838 | 0.1563 |
| 0.95 | 258.0 | -0.0668 | 0.1517 |
| 0.95 | 270.0 | -0.2058 | 0.1242 |
| 0.95 | 282.0 | -0.0734 | 0.1422 |
| 0.95 | 294.0 | -0.0889 | 0.1407 |
| 0.95 | 306.0 | 0.141 | 0.1505 |
Experiment comment: