Measurement E151M3553
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.084 | |
| Q2: | 0.101 GeV2 | |
| W: | 1655.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9074 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 54.0 | -0.2311 | 0.2584 |
| 0.15 | 66.0 | -0.1088 | 0.264 |
| 0.25 | 54.0 | -0.367 | 0.2054 |
| 0.25 | 66.0 | 0.0404 | 0.2445 |
| 0.25 | 78.0 | -0.079 | 0.2203 |
| 0.25 | 270.0 | -0.1179 | 0.2474 |
| 0.25 | 282.0 | 0.0723 | 0.2357 |
| 0.35 | 66.0 | 0.243 | 0.1726 |
| 0.35 | 78.0 | 0.0596 | 0.2168 |
| 0.35 | 114.0 | 0.1535 | 0.2542 |
| 0.35 | 258.0 | -0.0068 | 0.2108 |
| 0.35 | 270.0 | 0.2058 | 0.1939 |
| 0.35 | 282.0 | 0.1258 | 0.1895 |
| 0.35 | 294.0 | -0.0451 | 0.2375 |
| 0.45 | 66.0 | -0.0619 | 0.1799 |
| 0.45 | 78.0 | -0.1551 | 0.2153 |
| 0.45 | 90.0 | 0.1059 | 0.2679 |
| 0.45 | 102.0 | -0.2153 | 0.1945 |
| 0.45 | 114.0 | -0.0877 | 0.1785 |
| 0.45 | 126.0 | -0.1334 | 0.2197 |
| 0.45 | 138.0 | -0.4956 | 0.2144 |
| 0.45 | 210.0 | -0.0995 | 0.2786 |
| 0.45 | 222.0 | -0.2165 | 0.2515 |
| 0.45 | 246.0 | 0.2585 | 0.2483 |
| 0.45 | 258.0 | 0.2927 | 0.1751 |
| 0.45 | 270.0 | 0.2057 | 0.1449 |
| 0.45 | 282.0 | 0.174 | 0.1404 |
| 0.45 | 294.0 | -0.2825 | 0.1839 |
| 0.55 | 54.0 | -0.061 | 0.2548 |
| 0.55 | 66.0 | -0.0389 | 0.1871 |
| 0.55 | 78.0 | -0.4052 | 0.2038 |
| 0.55 | 90.0 | -0.2908 | 0.1845 |
| 0.55 | 102.0 | 0.1525 | 0.167 |
| 0.55 | 114.0 | -0.2551 | 0.1555 |
| 0.55 | 126.0 | -0.2018 | 0.1549 |
| 0.55 | 138.0 | -0.106 | 0.1992 |
| 0.55 | 150.0 | -0.1891 | 0.2617 |
| 0.55 | 186.0 | 0.1644 | 0.221 |
| 0.55 | 198.0 | -0.3895 | 0.2288 |
| 0.55 | 210.0 | 0.246 | 0.2028 |
| 0.55 | 222.0 | -0.0322 | 0.185 |
| 0.55 | 234.0 | 0.2372 | 0.2091 |
| 0.55 | 246.0 | 0.1775 | 0.1831 |
| 0.55 | 258.0 | 0.1942 | 0.1783 |
| 0.55 | 270.0 | 0.0332 | 0.1561 |
| 0.55 | 282.0 | -0.2966 | 0.1759 |
| 0.65 | 42.0 | -0.0803 | 0.221 |
| 0.65 | 54.0 | 0.0953 | 0.173 |
| 0.65 | 66.0 | 0.035 | 0.2034 |
| 0.65 | 78.0 | -0.3542 | 0.2375 |
| 0.65 | 90.0 | -0.2953 | 0.2134 |
| 0.65 | 102.0 | 0.1119 | 0.1596 |
| 0.65 | 114.0 | -0.0096 | 0.1394 |
| 0.65 | 126.0 | -0.0746 | 0.1349 |
| 0.65 | 138.0 | -0.1887 | 0.1625 |
| 0.65 | 150.0 | -0.3696 | 0.2128 |
| 0.65 | 174.0 | -0.1463 | 0.2306 |
| 0.65 | 186.0 | 0.279 | 0.1936 |
| 0.65 | 198.0 | 0.1112 | 0.1681 |
| 0.65 | 210.0 | 0.2197 | 0.1484 |
| 0.65 | 222.0 | 0.2031 | 0.1501 |
| 0.65 | 234.0 | 0.0938 | 0.1898 |
| 0.65 | 246.0 | 0.2192 | 0.1959 |
| 0.65 | 258.0 | 0.1063 | 0.1883 |
| 0.65 | 270.0 | -0.0729 | 0.2157 |
| 0.65 | 282.0 | -0.0791 | 0.1772 |
| 0.65 | 294.0 | 0.0574 | 0.1521 |
| 0.65 | 306.0 | 0.0629 | 0.2293 |
| 0.75 | 66.0 | 0.7851 | 0.1408 |
| 0.75 | 78.0 | 0.0303 | 0.2599 |
| 0.75 | 90.0 | -0.3291 | 0.1497 |
| 0.75 | 102.0 | 0.2522 | 0.1761 |
| 0.75 | 114.0 | 0.0402 | 0.1675 |
| 0.75 | 126.0 | 0.0934 | 0.1488 |
| 0.75 | 138.0 | -0.0139 | 0.1712 |
| 0.75 | 150.0 | -0.1148 | 0.2542 |
| 0.75 | 174.0 | -0.1214 | 0.2107 |
| 0.75 | 186.0 | -0.2066 | 0.1739 |
| 0.75 | 198.0 | 0.007 | 0.1579 |
| 0.75 | 210.0 | 0.0549 | 0.1536 |
| 0.75 | 222.0 | 0.0509 | 0.1407 |
| 0.75 | 234.0 | 0.2656 | 0.1617 |
| 0.75 | 246.0 | -0.1118 | 0.1917 |
| 0.75 | 258.0 | -0.2122 | 0.2505 |
| 0.75 | 270.0 | -0.117 | 0.1492 |
| 0.75 | 282.0 | -0.0828 | 0.1292 |
| 0.75 | 294.0 | 0.007 | 0.1491 |
| 0.85 | 78.0 | 0.0602 | 0.1795 |
| 0.85 | 90.0 | -0.1408 | 0.1457 |
| 0.85 | 102.0 | 0.0773 | 0.1199 |
| 0.85 | 114.0 | 0.0727 | 0.1558 |
| 0.85 | 126.0 | -0.0546 | 0.2095 |
| 0.85 | 138.0 | -0.0729 | 0.274 |
| 0.85 | 150.0 | -0.6763 | 0.1824 |
| 0.85 | 162.0 | 0.2169 | 0.2459 |
| 0.85 | 174.0 | -0.066 | 0.1704 |
| 0.85 | 186.0 | -0.1591 | 0.165 |
| 0.85 | 198.0 | -0.0999 | 0.1488 |
| 0.85 | 210.0 | 0.0606 | 0.1273 |
| 0.85 | 222.0 | 0.0288 | 0.1242 |
| 0.85 | 234.0 | -0.0632 | 0.1361 |
| 0.85 | 246.0 | 0.0171 | 0.1679 |
| 0.85 | 258.0 | -0.1297 | 0.1918 |
| 0.85 | 270.0 | -0.0418 | 0.2274 |
| 0.85 | 282.0 | 0.1626 | 0.1869 |
| 0.95 | 90.0 | -0.1372 | 0.2153 |
| 0.95 | 102.0 | -0.4779 | 0.1744 |
| 0.95 | 114.0 | -0.1148 | 0.2235 |
| 0.95 | 126.0 | -0.0882 | 0.2459 |
| 0.95 | 186.0 | 0.2363 | 0.2288 |
| 0.95 | 198.0 | 0.2747 | 0.1737 |
| 0.95 | 210.0 | -0.2314 | 0.1698 |
| 0.95 | 222.0 | -0.0165 | 0.1631 |
| 0.95 | 234.0 | 0.2231 | 0.1696 |
| 0.95 | 246.0 | 0.0882 | 0.2019 |
| 0.95 | 258.0 | -0.4258 | 0.1874 |
Experiment comment: