Measurement E151M3053
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0638 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8872 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | -0.2764 | 0.2595 |
| 0.15 | 66.0 | 0.1017 | 0.2628 |
| 0.25 | 30.0 | 0.0681 | 0.2545 |
| 0.25 | 42.0 | -0.1458 | 0.2722 |
| 0.25 | 54.0 | 0.0214 | 0.2382 |
| 0.25 | 66.0 | 0.2969 | 0.1978 |
| 0.25 | 78.0 | 0.1476 | 0.1931 |
| 0.25 | 90.0 | 0.0506 | 0.2755 |
| 0.25 | 282.0 | 0.1442 | 0.2332 |
| 0.25 | 294.0 | 0.0915 | 0.2101 |
| 0.25 | 306.0 | -0.3346 | 0.2482 |
| 0.25 | 318.0 | 0.3095 | 0.2665 |
| 0.25 | 330.0 | -0.0498 | 0.2723 |
| 0.35 | 18.0 | -0.1397 | 0.2044 |
| 0.35 | 30.0 | 0.0601 | 0.2185 |
| 0.35 | 54.0 | 0.1679 | 0.2166 |
| 0.35 | 66.0 | -0.0525 | 0.1568 |
| 0.35 | 78.0 | -0.044 | 0.149 |
| 0.35 | 90.0 | 0.0822 | 0.1748 |
| 0.35 | 258.0 | -0.1968 | 0.2101 |
| 0.35 | 270.0 | -0.1381 | 0.1684 |
| 0.35 | 282.0 | 0.1775 | 0.1548 |
| 0.35 | 294.0 | 0.031 | 0.1645 |
| 0.35 | 306.0 | 0.1091 | 0.2587 |
| 0.35 | 318.0 | -0.0699 | 0.2215 |
| 0.35 | 330.0 | 0.5743 | 0.227 |
| 0.45 | 18.0 | -0.1187 | 0.2492 |
| 0.45 | 66.0 | -0.2426 | 0.1494 |
| 0.45 | 78.0 | -0.1339 | 0.1363 |
| 0.45 | 90.0 | -0.1965 | 0.1873 |
| 0.45 | 102.0 | 0.4349 | 0.2317 |
| 0.45 | 114.0 | -0.1762 | 0.2425 |
| 0.45 | 126.0 | 0.089 | 0.1963 |
| 0.45 | 222.0 | -0.1978 | 0.2621 |
| 0.45 | 234.0 | 0.0408 | 0.267 |
| 0.45 | 246.0 | 0.4479 | 0.2155 |
| 0.45 | 258.0 | -0.452 | 0.1681 |
| 0.45 | 270.0 | 0.1613 | 0.1468 |
| 0.45 | 282.0 | 0.0748 | 0.1378 |
| 0.45 | 294.0 | 0.0879 | 0.1657 |
| 0.45 | 306.0 | -0.2687 | 0.2236 |
| 0.45 | 318.0 | 0.3761 | 0.2588 |
| 0.45 | 330.0 | -0.2452 | 0.1988 |
| 0.55 | 66.0 | 0.1758 | 0.2675 |
| 0.55 | 78.0 | -0.0329 | 0.1474 |
| 0.55 | 90.0 | -0.1238 | 0.1607 |
| 0.55 | 102.0 | -0.1664 | 0.1835 |
| 0.55 | 114.0 | -0.1132 | 0.1955 |
| 0.55 | 126.0 | -0.227 | 0.1752 |
| 0.55 | 138.0 | -0.2709 | 0.1604 |
| 0.55 | 150.0 | -0.1907 | 0.2061 |
| 0.55 | 198.0 | -0.2654 | 0.2675 |
| 0.55 | 210.0 | 0.0297 | 0.1887 |
| 0.55 | 222.0 | -0.2079 | 0.1845 |
| 0.55 | 234.0 | -0.2998 | 0.1668 |
| 0.55 | 246.0 | 0.0753 | 0.1905 |
| 0.55 | 258.0 | -0.237 | 0.157 |
| 0.55 | 270.0 | -0.0092 | 0.1407 |
| 0.55 | 282.0 | 0.0979 | 0.137 |
| 0.55 | 294.0 | -0.2587 | 0.1878 |
| 0.65 | 66.0 | -0.3047 | 0.1857 |
| 0.65 | 78.0 | -0.1721 | 0.2129 |
| 0.65 | 90.0 | 0.0332 | 0.211 |
| 0.65 | 102.0 | -0.2217 | 0.1892 |
| 0.65 | 114.0 | 0.0366 | 0.1592 |
| 0.65 | 126.0 | 0.1044 | 0.1477 |
| 0.65 | 138.0 | -0.0494 | 0.1714 |
| 0.65 | 150.0 | 0.2715 | 0.2241 |
| 0.65 | 162.0 | -0.0152 | 0.2672 |
| 0.65 | 186.0 | 0.2586 | 0.2311 |
| 0.65 | 198.0 | 0.2578 | 0.2025 |
| 0.65 | 210.0 | -0.1542 | 0.1446 |
| 0.65 | 222.0 | -0.0135 | 0.1589 |
| 0.65 | 234.0 | -0.2801 | 0.1406 |
| 0.65 | 246.0 | -0.0075 | 0.1728 |
| 0.65 | 258.0 | 0.1144 | 0.1657 |
| 0.65 | 270.0 | 0.1571 | 0.1611 |
| 0.65 | 282.0 | 0.3635 | 0.1826 |
| 0.65 | 294.0 | -0.0942 | 0.1847 |
| 0.65 | 306.0 | -0.0268 | 0.2568 |
| 0.75 | 66.0 | -0.179 | 0.2039 |
| 0.75 | 78.0 | 0.372 | 0.2068 |
| 0.75 | 90.0 | 0.2675 | 0.2336 |
| 0.75 | 114.0 | 0.1488 | 0.1575 |
| 0.75 | 126.0 | -0.0586 | 0.1662 |
| 0.75 | 138.0 | -0.0089 | 0.1556 |
| 0.75 | 150.0 | 0.0411 | 0.1937 |
| 0.75 | 186.0 | 0.1732 | 0.283 |
| 0.75 | 198.0 | 0.0235 | 0.2042 |
| 0.75 | 210.0 | -0.1677 | 0.1504 |
| 0.75 | 222.0 | -0.0194 | 0.1394 |
| 0.75 | 234.0 | 0.2102 | 0.1555 |
| 0.75 | 246.0 | 0.1351 | 0.1725 |
| 0.75 | 258.0 | 0.0517 | 0.2046 |
| 0.75 | 270.0 | -0.2045 | 0.1775 |
| 0.75 | 282.0 | -0.2119 | 0.1586 |
| 0.75 | 294.0 | 0.2324 | 0.1888 |
| 0.85 | 102.0 | 0.4685 | 0.1894 |
| 0.85 | 114.0 | 0.1778 | 0.2024 |
| 0.85 | 126.0 | -0.1492 | 0.2338 |
| 0.85 | 138.0 | 0.1264 | 0.2331 |
| 0.85 | 150.0 | 0.191 | 0.26 |
| 0.85 | 186.0 | 0.4377 | 0.2602 |
| 0.85 | 198.0 | -0.0814 | 0.1769 |
| 0.85 | 210.0 | 0.3063 | 0.1675 |
| 0.85 | 222.0 | -0.1193 | 0.1407 |
| 0.85 | 234.0 | -0.1203 | 0.1557 |
| 0.85 | 246.0 | -0.2399 | 0.1484 |
| 0.85 | 258.0 | -0.0046 | 0.2353 |
| 0.85 | 270.0 | -0.0945 | 0.2213 |
| 0.95 | 210.0 | -0.0143 | 0.2658 |
| 0.95 | 222.0 | -0.0245 | 0.2158 |
| 0.95 | 234.0 | -0.3825 | 0.2003 |
| 0.95 | 246.0 | 0.1157 | 0.2442 |
Experiment comment: