Measurement E151M3435
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.4047 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9673 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | 0.2409 | 0.305 |
| 0.05 | 66.0 | -0.1783 | 0.2371 |
| 0.05 | 306.0 | 0.0805 | 0.1973 |
| 0.15 | 54.0 | 0.3203 | 0.1916 |
| 0.15 | 66.0 | 0.298 | 0.1828 |
| 0.15 | 294.0 | 0.042 | 0.1933 |
| 0.15 | 306.0 | -0.1728 | 0.1903 |
| 0.15 | 318.0 | -0.3155 | 0.2542 |
| 0.25 | 54.0 | 0.1492 | 0.2088 |
| 0.25 | 66.0 | 0.1498 | 0.1687 |
| 0.25 | 78.0 | -0.139 | 0.2052 |
| 0.25 | 282.0 | 0.6722 | 0.1734 |
| 0.25 | 294.0 | -0.107 | 0.1613 |
| 0.25 | 306.0 | -0.0752 | 0.1702 |
| 0.35 | 54.0 | 0.3552 | 0.1878 |
| 0.35 | 66.0 | 0.1488 | 0.136 |
| 0.35 | 78.0 | -0.0074 | 0.1772 |
| 0.35 | 282.0 | -0.2528 | 0.2034 |
| 0.35 | 294.0 | -0.1293 | 0.1524 |
| 0.35 | 306.0 | -0.1911 | 0.1749 |
| 0.45 | 54.0 | -0.0951 | 0.2365 |
| 0.45 | 66.0 | 0.1241 | 0.1492 |
| 0.45 | 78.0 | -0.2018 | 0.1764 |
| 0.45 | 282.0 | 0.1891 | 0.2019 |
| 0.45 | 294.0 | 0.121 | 0.1629 |
| 0.45 | 306.0 | 0.0104 | 0.2447 |
| 0.55 | 54.0 | 0.4349 | 0.1904 |
| 0.55 | 66.0 | -0.1015 | 0.1916 |
| 0.55 | 78.0 | 0.2779 | 0.2248 |
| 0.55 | 90.0 | -0.0757 | 0.1627 |
| 0.55 | 102.0 | -0.0554 | 0.2424 |
| 0.55 | 258.0 | -0.3564 | 0.2192 |
| 0.55 | 270.0 | -0.0171 | 0.1768 |
| 0.55 | 282.0 | 0.2061 | 0.1643 |
| 0.55 | 294.0 | 0.1221 | 0.2171 |
| 0.65 | 66.0 | -0.0845 | 0.2358 |
| 0.65 | 78.0 | -0.011 | 0.1709 |
| 0.65 | 90.0 | 0.1158 | 0.1626 |
| 0.65 | 102.0 | -0.145 | 0.1344 |
| 0.65 | 114.0 | -0.1147 | 0.1717 |
| 0.65 | 246.0 | -0.1804 | 0.1696 |
| 0.65 | 258.0 | 0.067 | 0.1558 |
| 0.65 | 270.0 | -0.0989 | 0.1449 |
| 0.65 | 282.0 | -0.0804 | 0.1782 |
| 0.65 | 294.0 | -0.1653 | 0.2506 |
| 0.75 | 66.0 | 0.0637 | 0.255 |
| 0.75 | 78.0 | 0.1064 | 0.1302 |
| 0.75 | 90.0 | -0.2727 | 0.1118 |
| 0.75 | 102.0 | -0.1361 | 0.1092 |
| 0.75 | 114.0 | -0.043 | 0.1257 |
| 0.75 | 126.0 | 0.0078 | 0.1439 |
| 0.75 | 138.0 | 0.0724 | 0.241 |
| 0.75 | 222.0 | -0.1833 | 0.2186 |
| 0.75 | 234.0 | 0.0032 | 0.1461 |
| 0.75 | 246.0 | 0.1203 | 0.1298 |
| 0.75 | 258.0 | -0.0959 | 0.1224 |
| 0.75 | 270.0 | 0.0938 | 0.1165 |
| 0.75 | 282.0 | 0.0749 | 0.1437 |
| 0.75 | 294.0 | -0.1596 | 0.1766 |
| 0.85 | 66.0 | 0.1528 | 0.1821 |
| 0.85 | 78.0 | -0.0422 | 0.1646 |
| 0.85 | 90.0 | 0.0595 | 0.1131 |
| 0.85 | 102.0 | 0.0041 | 0.1016 |
| 0.85 | 114.0 | 0.0807 | 0.1153 |
| 0.85 | 126.0 | -0.1354 | 0.1176 |
| 0.85 | 138.0 | -0.2864 | 0.1336 |
| 0.85 | 150.0 | 0.4069 | 0.1774 |
| 0.85 | 162.0 | 0.4469 | 0.2278 |
| 0.85 | 186.0 | 0.1604 | 0.2537 |
| 0.85 | 198.0 | -0.1616 | 0.2256 |
| 0.85 | 210.0 | -0.0457 | 0.1765 |
| 0.85 | 222.0 | 0.0801 | 0.1392 |
| 0.85 | 234.0 | -0.0741 | 0.1158 |
| 0.85 | 246.0 | 0.0862 | 0.1085 |
| 0.85 | 258.0 | 0.0234 | 0.1121 |
| 0.85 | 270.0 | -0.0411 | 0.1136 |
| 0.85 | 282.0 | 0.0718 | 0.106 |
| 0.85 | 294.0 | 0.0356 | 0.1171 |
| 0.95 | 66.0 | -0.4359 | 0.1805 |
| 0.95 | 90.0 | -0.1249 | 0.1639 |
| 0.95 | 102.0 | 0.0339 | 0.1547 |
| 0.95 | 114.0 | 0.0371 | 0.1371 |
| 0.95 | 126.0 | -0.1181 | 0.1382 |
| 0.95 | 138.0 | -0.0638 | 0.1588 |
| 0.95 | 150.0 | 0.0046 | 0.181 |
| 0.95 | 162.0 | 0.4264 | 0.1982 |
| 0.95 | 174.0 | 0.0652 | 0.2435 |
| 0.95 | 186.0 | 0.0795 | 0.207 |
| 0.95 | 198.0 | -0.1026 | 0.2046 |
| 0.95 | 210.0 | -0.1197 | 0.1735 |
| 0.95 | 222.0 | 0.2402 | 0.1433 |
| 0.95 | 234.0 | 0.0852 | 0.1277 |
| 0.95 | 246.0 | -0.0435 | 0.1289 |
| 0.95 | 258.0 | 0.0019 | 0.1315 |
| 0.95 | 270.0 | -0.2241 | 0.1156 |
| 0.95 | 282.0 | -0.2071 | 0.1163 |
| 0.95 | 294.0 | -0.0293 | 0.1236 |
| 0.95 | 306.0 | -0.0506 | 0.1968 |
Experiment comment: