Measurement E151M3436
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.4584 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9641 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| -0.15 | 30.0 | 0.1553 | 0.2555 |
| -0.05 | 306.0 | -0.0058 | 0.2716 |
| 0.05 | 54.0 | 0.2138 | 0.2336 |
| 0.05 | 66.0 | -0.1848 | 0.1937 |
| 0.05 | 294.0 | 0.0165 | 0.2398 |
| 0.05 | 306.0 | 0.0847 | 0.1931 |
| 0.05 | 318.0 | 0.1243 | 0.219 |
| 0.15 | 54.0 | 0.065 | 0.1975 |
| 0.15 | 66.0 | -0.2021 | 0.1474 |
| 0.15 | 78.0 | -0.2177 | 0.2732 |
| 0.15 | 294.0 | -0.2396 | 0.1993 |
| 0.15 | 306.0 | -0.0496 | 0.1852 |
| 0.15 | 318.0 | 0.2164 | 0.2357 |
| 0.25 | 54.0 | 0.0097 | 0.1832 |
| 0.25 | 66.0 | 0.1627 | 0.1383 |
| 0.25 | 78.0 | 0.171 | 0.2196 |
| 0.25 | 282.0 | 0.0371 | 0.2495 |
| 0.25 | 294.0 | 0.3992 | 0.1328 |
| 0.25 | 306.0 | -0.188 | 0.1615 |
| 0.35 | 54.0 | -0.0357 | 0.1663 |
| 0.35 | 66.0 | 0.2316 | 0.1186 |
| 0.35 | 78.0 | -0.1642 | 0.1514 |
| 0.35 | 282.0 | -0.1654 | 0.1903 |
| 0.35 | 294.0 | 0.1783 | 0.1433 |
| 0.35 | 306.0 | -0.0941 | 0.18 |
| 0.45 | 54.0 | 0.0986 | 0.1666 |
| 0.45 | 66.0 | 0.1663 | 0.1504 |
| 0.45 | 78.0 | -0.1817 | 0.1697 |
| 0.45 | 90.0 | 0.2681 | 0.2209 |
| 0.45 | 270.0 | 0.3412 | 0.1959 |
| 0.45 | 282.0 | -0.1152 | 0.174 |
| 0.45 | 294.0 | -0.1038 | 0.1488 |
| 0.45 | 306.0 | 0.1879 | 0.2796 |
| 0.55 | 54.0 | 0.2248 | 0.2014 |
| 0.55 | 66.0 | -0.488 | 0.1716 |
| 0.55 | 78.0 | -0.1087 | 0.1613 |
| 0.55 | 90.0 | -0.1871 | 0.1594 |
| 0.55 | 102.0 | -0.1052 | 0.1627 |
| 0.55 | 258.0 | 0.137 | 0.2136 |
| 0.55 | 270.0 | -0.2762 | 0.1676 |
| 0.55 | 282.0 | 0.0048 | 0.1621 |
| 0.55 | 294.0 | -0.1964 | 0.1842 |
| 0.55 | 306.0 | -0.1832 | 0.2501 |
| 0.65 | 66.0 | 0.1286 | 0.2117 |
| 0.65 | 78.0 | -0.0148 | 0.1406 |
| 0.65 | 90.0 | -0.0768 | 0.123 |
| 0.65 | 102.0 | 0.0037 | 0.1094 |
| 0.65 | 114.0 | -0.0137 | 0.1589 |
| 0.65 | 234.0 | -0.0382 | 0.266 |
| 0.65 | 246.0 | -0.1087 | 0.1699 |
| 0.65 | 258.0 | -0.2578 | 0.1242 |
| 0.65 | 270.0 | -0.0586 | 0.122 |
| 0.65 | 282.0 | 0.0529 | 0.1392 |
| 0.65 | 294.0 | 0.2365 | 0.183 |
| 0.65 | 306.0 | 0.1407 | 0.2737 |
| 0.75 | 54.0 | -0.4124 | 0.2359 |
| 0.75 | 66.0 | -0.1069 | 0.2411 |
| 0.75 | 78.0 | 0.0492 | 0.116 |
| 0.75 | 90.0 | 0.0686 | 0.0975 |
| 0.75 | 102.0 | -0.0249 | 0.0869 |
| 0.75 | 114.0 | 0.004 | 0.105 |
| 0.75 | 126.0 | -0.1249 | 0.15 |
| 0.75 | 138.0 | -0.2534 | 0.2259 |
| 0.75 | 222.0 | 0.1977 | 0.1788 |
| 0.75 | 234.0 | 0.0194 | 0.16 |
| 0.75 | 246.0 | 0.0272 | 0.1183 |
| 0.75 | 258.0 | -0.0261 | 0.105 |
| 0.75 | 270.0 | -0.1243 | 0.0968 |
| 0.75 | 282.0 | 0.0774 | 0.1168 |
| 0.75 | 294.0 | -0.0211 | 0.1378 |
| 0.85 | 54.0 | -0.1224 | 0.2263 |
| 0.85 | 66.0 | 0.0149 | 0.1734 |
| 0.85 | 78.0 | -0.1499 | 0.1291 |
| 0.85 | 90.0 | -0.0301 | 0.0945 |
| 0.85 | 102.0 | 0.1292 | 0.0946 |
| 0.85 | 114.0 | -0.0636 | 0.1031 |
| 0.85 | 126.0 | 0.0594 | 0.1134 |
| 0.85 | 138.0 | 0.0077 | 0.1365 |
| 0.85 | 150.0 | -0.1679 | 0.1743 |
| 0.85 | 162.0 | 0.3834 | 0.221 |
| 0.85 | 174.0 | -0.0021 | 0.2541 |
| 0.85 | 186.0 | -0.0785 | 0.2355 |
| 0.85 | 198.0 | -0.1375 | 0.2105 |
| 0.85 | 210.0 | 0.15 | 0.1523 |
| 0.85 | 222.0 | 0.0354 | 0.1267 |
| 0.85 | 234.0 | -0.0696 | 0.1093 |
| 0.85 | 246.0 | -0.0274 | 0.0993 |
| 0.85 | 258.0 | -0.0039 | 0.0937 |
| 0.85 | 270.0 | 0.0465 | 0.0946 |
| 0.85 | 282.0 | 0.0816 | 0.0989 |
| 0.85 | 294.0 | 0.1229 | 0.1013 |
| 0.85 | 306.0 | -0.1787 | 0.1808 |
| 0.95 | 54.0 | 0.1591 | 0.1794 |
| 0.95 | 66.0 | -0.1186 | 0.2208 |
| 0.95 | 78.0 | 0.2703 | 0.243 |
| 0.95 | 90.0 | -0.0121 | 0.1455 |
| 0.95 | 102.0 | -0.101 | 0.1256 |
| 0.95 | 114.0 | 0.0547 | 0.1208 |
| 0.95 | 126.0 | 0.2294 | 0.1306 |
| 0.95 | 138.0 | -0.0818 | 0.1325 |
| 0.95 | 150.0 | -0.1625 | 0.1828 |
| 0.95 | 162.0 | -0.0207 | 0.1775 |
| 0.95 | 174.0 | 0.1063 | 0.1998 |
| 0.95 | 186.0 | -0.1087 | 0.1961 |
| 0.95 | 198.0 | -0.3438 | 0.1596 |
| 0.95 | 210.0 | -0.3807 | 0.1585 |
| 0.95 | 222.0 | -0.0258 | 0.1499 |
| 0.95 | 234.0 | -0.1301 | 0.1259 |
| 0.95 | 246.0 | -0.0964 | 0.1179 |
| 0.95 | 258.0 | -0.0299 | 0.1146 |
| 0.95 | 270.0 | 0.1317 | 0.1111 |
| 0.95 | 282.0 | 0.0433 | 0.1098 |
| 0.95 | 294.0 | 0.1336 | 0.1121 |
| 0.95 | 306.0 | 0.1124 | 0.1409 |
| 0.95 | 318.0 | 0.1644 | 0.2406 |
Experiment comment: