Measurement E151M3054
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0751 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8844 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | 0.5134 | 0.2117 |
| 0.25 | 18.0 | -0.2655 | 0.2597 |
| 0.25 | 54.0 | -0.1953 | 0.2189 |
| 0.25 | 66.0 | -0.0433 | 0.1833 |
| 0.25 | 78.0 | 0.2194 | 0.2036 |
| 0.25 | 90.0 | -0.333 | 0.2294 |
| 0.25 | 270.0 | 0.3308 | 0.2665 |
| 0.25 | 282.0 | -0.1383 | 0.1937 |
| 0.25 | 294.0 | 0.0629 | 0.1961 |
| 0.25 | 306.0 | -0.1644 | 0.2205 |
| 0.25 | 318.0 | -0.0171 | 0.2733 |
| 0.25 | 330.0 | -0.0386 | 0.281 |
| 0.35 | 18.0 | 0.0468 | 0.251 |
| 0.35 | 30.0 | 0.1407 | 0.2404 |
| 0.35 | 42.0 | 0.2834 | 0.2587 |
| 0.35 | 54.0 | 0.0966 | 0.2115 |
| 0.35 | 66.0 | 0.048 | 0.1585 |
| 0.35 | 78.0 | -0.0348 | 0.1477 |
| 0.35 | 90.0 | -0.0619 | 0.1919 |
| 0.35 | 258.0 | -0.1167 | 0.2725 |
| 0.35 | 270.0 | 0.2794 | 0.1561 |
| 0.35 | 282.0 | -0.0767 | 0.1752 |
| 0.35 | 294.0 | 0.073 | 0.1606 |
| 0.35 | 306.0 | -0.144 | 0.2534 |
| 0.35 | 330.0 | -0.1177 | 0.2542 |
| 0.45 | 30.0 | 0.1314 | 0.2576 |
| 0.45 | 66.0 | -0.2202 | 0.2114 |
| 0.45 | 78.0 | 0.3305 | 0.1471 |
| 0.45 | 90.0 | -0.0664 | 0.1593 |
| 0.45 | 102.0 | -0.0872 | 0.2097 |
| 0.45 | 114.0 | -0.2379 | 0.2042 |
| 0.45 | 126.0 | 0.3747 | 0.214 |
| 0.45 | 138.0 | -0.0626 | 0.2674 |
| 0.45 | 246.0 | -0.0836 | 0.2482 |
| 0.45 | 258.0 | -0.0853 | 0.1784 |
| 0.45 | 270.0 | 0.0452 | 0.1471 |
| 0.45 | 282.0 | 0.2118 | 0.1498 |
| 0.45 | 294.0 | 0.1181 | 0.1822 |
| 0.45 | 318.0 | -0.0942 | 0.2576 |
| 0.55 | 66.0 | 0.0679 | 0.2785 |
| 0.55 | 78.0 | -0.0422 | 0.1499 |
| 0.55 | 90.0 | 0.5074 | 0.1499 |
| 0.55 | 102.0 | -0.241 | 0.1957 |
| 0.55 | 114.0 | 0.1093 | 0.2002 |
| 0.55 | 126.0 | -0.1955 | 0.1632 |
| 0.55 | 138.0 | -0.0281 | 0.1945 |
| 0.55 | 150.0 | -0.4242 | 0.2109 |
| 0.55 | 198.0 | -0.131 | 0.2298 |
| 0.55 | 210.0 | 0.1573 | 0.1961 |
| 0.55 | 222.0 | -0.0468 | 0.2033 |
| 0.55 | 234.0 | 0.0885 | 0.2003 |
| 0.55 | 246.0 | 0.254 | 0.2064 |
| 0.55 | 258.0 | 0.1231 | 0.161 |
| 0.55 | 270.0 | -0.1235 | 0.1492 |
| 0.55 | 282.0 | -0.0435 | 0.1549 |
| 0.55 | 294.0 | 0.0395 | 0.205 |
| 0.65 | 66.0 | 0.3668 | 0.1921 |
| 0.65 | 78.0 | 0.1715 | 0.1778 |
| 0.65 | 90.0 | 0.1332 | 0.2052 |
| 0.65 | 102.0 | 0.1682 | 0.1773 |
| 0.65 | 114.0 | 0.1126 | 0.182 |
| 0.65 | 126.0 | 0.0139 | 0.1485 |
| 0.65 | 138.0 | 0.0921 | 0.1577 |
| 0.65 | 150.0 | 0.2598 | 0.1956 |
| 0.65 | 162.0 | 0.182 | 0.2625 |
| 0.65 | 174.0 | 0.1187 | 0.2398 |
| 0.65 | 186.0 | 0.6455 | 0.1917 |
| 0.65 | 198.0 | 0.357 | 0.2097 |
| 0.65 | 210.0 | -0.2594 | 0.1551 |
| 0.65 | 222.0 | -0.2211 | 0.1503 |
| 0.65 | 234.0 | -0.1623 | 0.1624 |
| 0.65 | 246.0 | 0.267 | 0.149 |
| 0.65 | 258.0 | 0.1123 | 0.1661 |
| 0.65 | 270.0 | -0.1699 | 0.1833 |
| 0.65 | 282.0 | 0.1718 | 0.1893 |
| 0.65 | 294.0 | 0.0099 | 0.1858 |
| 0.65 | 306.0 | 0.2983 | 0.246 |
| 0.75 | 66.0 | 0.0175 | 0.1949 |
| 0.75 | 78.0 | 0.0827 | 0.2156 |
| 0.75 | 90.0 | -0.0114 | 0.2318 |
| 0.75 | 102.0 | 0.3316 | 0.2111 |
| 0.75 | 114.0 | 0.1036 | 0.1872 |
| 0.75 | 126.0 | -0.1436 | 0.1514 |
| 0.75 | 138.0 | 0.2332 | 0.1757 |
| 0.75 | 150.0 | -0.0143 | 0.1772 |
| 0.75 | 162.0 | 0.2333 | 0.2362 |
| 0.75 | 186.0 | -0.1476 | 0.2435 |
| 0.75 | 198.0 | 0.1203 | 0.2158 |
| 0.75 | 210.0 | -0.2454 | 0.173 |
| 0.75 | 222.0 | -0.163 | 0.1509 |
| 0.75 | 234.0 | 0.0028 | 0.1518 |
| 0.75 | 246.0 | 0.383 | 0.152 |
| 0.75 | 258.0 | 0.1366 | 0.1934 |
| 0.75 | 270.0 | 0.1405 | 0.2282 |
| 0.75 | 282.0 | -0.1467 | 0.1514 |
| 0.75 | 294.0 | -0.0171 | 0.1726 |
| 0.85 | 90.0 | 0.3759 | 0.2289 |
| 0.85 | 102.0 | 0.4012 | 0.1582 |
| 0.85 | 114.0 | 0.302 | 0.1802 |
| 0.85 | 126.0 | 0.4329 | 0.2073 |
| 0.85 | 138.0 | -0.0219 | 0.2336 |
| 0.85 | 198.0 | -0.3873 | 0.1903 |
| 0.85 | 210.0 | -0.2515 | 0.1607 |
| 0.85 | 222.0 | -0.0805 | 0.1409 |
| 0.85 | 234.0 | -0.0117 | 0.1453 |
| 0.85 | 246.0 | -0.033 | 0.1533 |
| 0.85 | 258.0 | 0.1161 | 0.1695 |
| 0.95 | 210.0 | 0.1347 | 0.2639 |
| 0.95 | 222.0 | 0.282 | 0.2103 |
| 0.95 | 234.0 | -0.0983 | 0.2309 |
| 0.95 | 246.0 | 0.4022 | 0.2768 |
Experiment comment: