Measurement E151M3486
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.4169 | |
| Q2: | 0.348 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9185 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -0.25 | 0.2275 |
| 0.05 | 66.0 | 0.1398 | 0.2397 |
| 0.15 | 54.0 | -0.3067 | 0.2425 |
| 0.15 | 66.0 | 0.0844 | 0.2112 |
| 0.15 | 294.0 | 0.1262 | 0.2165 |
| 0.25 | 66.0 | -0.0623 | 0.2409 |
| 0.25 | 282.0 | -0.0613 | 0.2534 |
| 0.25 | 294.0 | 0.1624 | 0.2413 |
| 0.35 | 54.0 | -0.103 | 0.2678 |
| 0.35 | 282.0 | -0.2528 | 0.19 |
| 0.35 | 294.0 | -0.1642 | 0.2115 |
| 0.45 | 90.0 | -0.3923 | 0.2145 |
| 0.45 | 102.0 | 0.3327 | 0.1835 |
| 0.45 | 270.0 | 0.144 | 0.2837 |
| 0.45 | 282.0 | -0.0325 | 0.2519 |
| 0.45 | 294.0 | -0.2554 | 0.2303 |
| 0.45 | 306.0 | -0.1715 | 0.2699 |
| 0.55 | 78.0 | 0.0206 | 0.2089 |
| 0.55 | 90.0 | 0.1661 | 0.1701 |
| 0.55 | 102.0 | 0.3005 | 0.1908 |
| 0.55 | 114.0 | -0.2611 | 0.2421 |
| 0.55 | 258.0 | -0.2508 | 0.2428 |
| 0.55 | 270.0 | -0.4247 | 0.2437 |
| 0.55 | 282.0 | -0.1101 | 0.2608 |
| 0.55 | 306.0 | -0.2682 | 0.2271 |
| 0.65 | 54.0 | 0.354 | 0.2452 |
| 0.65 | 78.0 | -0.1098 | 0.1878 |
| 0.65 | 90.0 | 0.1919 | 0.1539 |
| 0.65 | 102.0 | 0.334 | 0.1669 |
| 0.65 | 114.0 | -0.1106 | 0.2332 |
| 0.65 | 126.0 | 0.1176 | 0.2104 |
| 0.65 | 234.0 | -0.1083 | 0.2597 |
| 0.65 | 246.0 | 0.2356 | 0.1962 |
| 0.65 | 258.0 | -0.0511 | 0.1933 |
| 0.65 | 270.0 | 0.0026 | 0.2375 |
| 0.75 | 54.0 | 0.0762 | 0.1932 |
| 0.75 | 66.0 | 0.0345 | 0.2371 |
| 0.75 | 78.0 | -0.1586 | 0.1887 |
| 0.75 | 90.0 | 0.2233 | 0.148 |
| 0.75 | 102.0 | 0.1064 | 0.1456 |
| 0.75 | 114.0 | -0.0995 | 0.1684 |
| 0.75 | 126.0 | -0.016 | 0.1945 |
| 0.75 | 138.0 | -0.4107 | 0.2344 |
| 0.75 | 222.0 | -0.1547 | 0.2342 |
| 0.75 | 234.0 | 0.2289 | 0.1687 |
| 0.75 | 246.0 | -0.1816 | 0.1878 |
| 0.75 | 258.0 | -0.0796 | 0.1761 |
| 0.75 | 270.0 | -0.1382 | 0.198 |
| 0.75 | 282.0 | -0.0838 | 0.2051 |
| 0.85 | 54.0 | -0.1003 | 0.1904 |
| 0.85 | 66.0 | -0.163 | 0.2097 |
| 0.85 | 90.0 | 0.0669 | 0.203 |
| 0.85 | 102.0 | 0.1117 | 0.154 |
| 0.85 | 114.0 | 0.1934 | 0.1777 |
| 0.85 | 126.0 | 0.1612 | 0.2396 |
| 0.85 | 198.0 | -0.299 | 0.2432 |
| 0.85 | 210.0 | 0.0184 | 0.2057 |
| 0.85 | 222.0 | 0.0349 | 0.1894 |
| 0.85 | 234.0 | 0.1271 | 0.1486 |
| 0.85 | 246.0 | -0.0345 | 0.1654 |
| 0.85 | 258.0 | -0.1123 | 0.1505 |
| 0.85 | 270.0 | -0.0418 | 0.1499 |
| 0.85 | 282.0 | -0.0898 | 0.1658 |
| 0.85 | 294.0 | -0.0371 | 0.2052 |
| 0.85 | 306.0 | -0.0567 | 0.2007 |
| 0.85 | 318.0 | -0.0691 | 0.2697 |
| 0.95 | 66.0 | -0.1661 | 0.2582 |
| 0.95 | 102.0 | 0.3339 | 0.2709 |
| 0.95 | 114.0 | -0.0158 | 0.2621 |
| 0.95 | 186.0 | 0.4816 | 0.2453 |
| 0.95 | 198.0 | -0.197 | 0.2471 |
| 0.95 | 210.0 | 0.067 | 0.244 |
| 0.95 | 222.0 | -0.0922 | 0.217 |
| 0.95 | 234.0 | -0.1681 | 0.1891 |
| 0.95 | 246.0 | -0.2666 | 0.1852 |
| 0.95 | 258.0 | 0.0711 | 0.1982 |
| 0.95 | 270.0 | -0.3165 | 0.1669 |
| 0.95 | 282.0 | -0.0954 | 0.1851 |
| 0.95 | 294.0 | 0.1114 | 0.1739 |
| 0.95 | 306.0 | 0.0741 | 0.186 |
| 0.95 | 318.0 | -0.0727 | 0.211 |
| 0.95 | 330.0 | 0.2921 | 0.2413 |
Experiment comment: