Measurement E151M3040
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1019 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8962 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | -0.2363 | 0.2139 |
| 0.15 | 42.0 | 0.323 | 0.2698 |
| 0.15 | 306.0 | -0.2573 | 0.2475 |
| 0.25 | 30.0 | -0.0884 | 0.2526 |
| 0.25 | 54.0 | -0.0559 | 0.243 |
| 0.25 | 66.0 | 0.1791 | 0.1738 |
| 0.25 | 78.0 | -0.0837 | 0.1919 |
| 0.25 | 282.0 | -0.3517 | 0.2187 |
| 0.25 | 294.0 | -0.0298 | 0.1972 |
| 0.25 | 306.0 | -0.3907 | 0.2002 |
| 0.25 | 318.0 | -0.5007 | 0.2335 |
| 0.25 | 330.0 | 0.3434 | 0.2573 |
| 0.35 | 18.0 | 0.306 | 0.2234 |
| 0.35 | 30.0 | -0.0835 | 0.2103 |
| 0.35 | 54.0 | -0.0226 | 0.2072 |
| 0.35 | 66.0 | 0.019 | 0.1517 |
| 0.35 | 78.0 | -0.2516 | 0.1427 |
| 0.35 | 90.0 | -0.2596 | 0.1792 |
| 0.35 | 270.0 | -0.2385 | 0.1854 |
| 0.35 | 282.0 | -0.0121 | 0.145 |
| 0.35 | 294.0 | 0.0142 | 0.1446 |
| 0.35 | 306.0 | 0.5162 | 0.1868 |
| 0.35 | 318.0 | -0.226 | 0.2607 |
| 0.35 | 330.0 | -0.1636 | 0.2598 |
| 0.35 | 342.0 | -0.0885 | 0.2826 |
| 0.45 | 66.0 | 0.1364 | 0.1711 |
| 0.45 | 78.0 | 0.1172 | 0.1305 |
| 0.45 | 90.0 | -0.3559 | 0.1504 |
| 0.45 | 102.0 | -0.0361 | 0.2331 |
| 0.45 | 114.0 | 0.3652 | 0.2457 |
| 0.45 | 246.0 | 0.1043 | 0.2737 |
| 0.45 | 258.0 | -0.0461 | 0.2063 |
| 0.45 | 270.0 | -0.0166 | 0.1496 |
| 0.45 | 282.0 | -0.0085 | 0.14 |
| 0.45 | 294.0 | 0.0869 | 0.1498 |
| 0.45 | 306.0 | 0.0458 | 0.2173 |
| 0.45 | 318.0 | 0.0931 | 0.2525 |
| 0.45 | 330.0 | 0.382 | 0.2295 |
| 0.55 | 66.0 | 0.4433 | 0.188 |
| 0.55 | 78.0 | 0.0198 | 0.1576 |
| 0.55 | 90.0 | -0.1247 | 0.1614 |
| 0.55 | 102.0 | -0.0393 | 0.1809 |
| 0.55 | 114.0 | 0.499 | 0.1413 |
| 0.55 | 126.0 | -0.0099 | 0.1655 |
| 0.55 | 138.0 | -0.1205 | 0.2001 |
| 0.55 | 150.0 | 0.5395 | 0.2363 |
| 0.55 | 210.0 | -0.3243 | 0.2203 |
| 0.55 | 222.0 | -0.0906 | 0.1805 |
| 0.55 | 234.0 | 0.0002 | 0.1841 |
| 0.55 | 246.0 | -0.4089 | 0.184 |
| 0.55 | 258.0 | 0.0465 | 0.162 |
| 0.55 | 270.0 | -0.0818 | 0.1495 |
| 0.55 | 282.0 | -0.1376 | 0.1329 |
| 0.55 | 294.0 | -0.0642 | 0.1833 |
| 0.65 | 54.0 | -0.0589 | 0.2793 |
| 0.65 | 66.0 | 0.0695 | 0.2133 |
| 0.65 | 78.0 | 0.0924 | 0.1894 |
| 0.65 | 90.0 | -0.041 | 0.1896 |
| 0.65 | 102.0 | -0.0113 | 0.1663 |
| 0.65 | 114.0 | 0.1611 | 0.1538 |
| 0.65 | 126.0 | 0.1739 | 0.1351 |
| 0.65 | 138.0 | -0.3109 | 0.1528 |
| 0.65 | 150.0 | 0.0267 | 0.1921 |
| 0.65 | 162.0 | 0.3998 | 0.218 |
| 0.65 | 186.0 | -0.1561 | 0.2359 |
| 0.65 | 198.0 | -0.1474 | 0.2485 |
| 0.65 | 210.0 | -0.2837 | 0.1524 |
| 0.65 | 222.0 | 0.0609 | 0.1513 |
| 0.65 | 234.0 | 0.0603 | 0.1495 |
| 0.65 | 246.0 | -0.0994 | 0.1657 |
| 0.65 | 258.0 | -0.0374 | 0.1563 |
| 0.65 | 270.0 | 0.1805 | 0.1798 |
| 0.65 | 282.0 | -0.2871 | 0.1832 |
| 0.65 | 294.0 | -0.1185 | 0.1639 |
| 0.65 | 306.0 | -0.1169 | 0.2102 |
| 0.75 | 66.0 | -0.0406 | 0.2073 |
| 0.75 | 78.0 | 0.1092 | 0.1945 |
| 0.75 | 90.0 | -0.2344 | 0.2519 |
| 0.75 | 102.0 | 0.0859 | 0.1832 |
| 0.75 | 114.0 | -0.0877 | 0.1284 |
| 0.75 | 126.0 | 0.0692 | 0.1468 |
| 0.75 | 138.0 | -0.1068 | 0.1654 |
| 0.75 | 150.0 | 0.2524 | 0.1912 |
| 0.75 | 162.0 | -0.0602 | 0.2486 |
| 0.75 | 174.0 | 0.3552 | 0.2363 |
| 0.75 | 186.0 | -0.0571 | 0.2506 |
| 0.75 | 198.0 | 0.0423 | 0.2055 |
| 0.75 | 210.0 | -0.0784 | 0.1629 |
| 0.75 | 222.0 | 0.3052 | 0.1413 |
| 0.75 | 234.0 | -0.0204 | 0.1201 |
| 0.75 | 246.0 | -0.0735 | 0.1482 |
| 0.75 | 258.0 | 0.2171 | 0.1656 |
| 0.75 | 270.0 | -0.0066 | 0.2517 |
| 0.75 | 282.0 | -0.3948 | 0.1536 |
| 0.75 | 294.0 | 0.0114 | 0.1915 |
| 0.85 | 90.0 | 0.4465 | 0.1914 |
| 0.85 | 102.0 | 0.081 | 0.1853 |
| 0.85 | 114.0 | 0.0302 | 0.1861 |
| 0.85 | 126.0 | 0.04 | 0.1795 |
| 0.85 | 138.0 | -0.0631 | 0.1746 |
| 0.85 | 150.0 | -0.2308 | 0.2178 |
| 0.85 | 198.0 | 0.1425 | 0.2317 |
| 0.85 | 210.0 | 0.0863 | 0.1781 |
| 0.85 | 222.0 | 0.096 | 0.1743 |
| 0.85 | 234.0 | -0.1618 | 0.1352 |
| 0.85 | 246.0 | -0.0169 | 0.1502 |
| 0.85 | 258.0 | -0.0259 | 0.179 |
| 0.85 | 270.0 | 0.6314 | 0.1661 |
| 0.95 | 114.0 | -0.037 | 0.2515 |
| 0.95 | 210.0 | -0.067 | 0.2729 |
| 0.95 | 222.0 | 0.1082 | 0.2561 |
| 0.95 | 234.0 | -0.0806 | 0.187 |
| 0.95 | 246.0 | 0.3924 | 0.1741 |
| 0.95 | 258.0 | 0.3459 | 0.2214 |
Experiment comment: