Measurement E151M3533
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1879 | |
| Q2: | 0.205 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9087 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 282.0 | -0.2019 | 0.2641 |
| 0.25 | 294.0 | 0.1498 | 0.2394 |
| 0.35 | 66.0 | -0.0966 | 0.2322 |
| 0.35 | 282.0 | 0.2951 | 0.2194 |
| 0.35 | 294.0 | -0.2858 | 0.2488 |
| 0.45 | 66.0 | 0.1207 | 0.2768 |
| 0.45 | 102.0 | 0.4941 | 0.1986 |
| 0.45 | 114.0 | 0.0266 | 0.2479 |
| 0.45 | 270.0 | -0.07 | 0.2207 |
| 0.45 | 282.0 | -0.014 | 0.1685 |
| 0.45 | 294.0 | -0.0199 | 0.2242 |
| 0.55 | 42.0 | -0.4452 | 0.2111 |
| 0.55 | 54.0 | 0.0836 | 0.2806 |
| 0.55 | 90.0 | -0.2967 | 0.1883 |
| 0.55 | 102.0 | 0.027 | 0.1793 |
| 0.55 | 114.0 | 0.3097 | 0.1904 |
| 0.55 | 126.0 | -0.0445 | 0.2088 |
| 0.55 | 138.0 | 0.184 | 0.2724 |
| 0.55 | 210.0 | -0.3374 | 0.2618 |
| 0.55 | 222.0 | 0.1491 | 0.2325 |
| 0.55 | 234.0 | -0.3472 | 0.2197 |
| 0.55 | 258.0 | -0.0044 | 0.2754 |
| 0.55 | 270.0 | 0.0703 | 0.2706 |
| 0.55 | 282.0 | 0.0401 | 0.2022 |
| 0.55 | 306.0 | 0.022 | 0.244 |
| 0.65 | 90.0 | 0.1266 | 0.1727 |
| 0.65 | 102.0 | 0.1318 | 0.147 |
| 0.65 | 114.0 | 0.058 | 0.1608 |
| 0.65 | 126.0 | -0.1722 | 0.1815 |
| 0.65 | 138.0 | -0.1752 | 0.2249 |
| 0.65 | 150.0 | -0.0799 | 0.2634 |
| 0.65 | 198.0 | 0.726 | 0.1601 |
| 0.65 | 210.0 | -0.1703 | 0.1864 |
| 0.65 | 222.0 | 0.0803 | 0.2182 |
| 0.65 | 234.0 | -0.4244 | 0.1945 |
| 0.65 | 246.0 | -0.1223 | 0.2181 |
| 0.65 | 270.0 | 0.1318 | 0.274 |
| 0.65 | 294.0 | -0.1961 | 0.1874 |
| 0.65 | 306.0 | 0.0224 | 0.1994 |
| 0.75 | 66.0 | -0.1355 | 0.2311 |
| 0.75 | 78.0 | -0.157 | 0.1834 |
| 0.75 | 90.0 | -0.097 | 0.2013 |
| 0.75 | 102.0 | -0.0784 | 0.1691 |
| 0.75 | 114.0 | 0.248 | 0.1584 |
| 0.75 | 126.0 | 0.4108 | 0.1695 |
| 0.75 | 138.0 | 0.099 | 0.2234 |
| 0.75 | 186.0 | 0.2312 | 0.2105 |
| 0.75 | 198.0 | 0.161 | 0.1925 |
| 0.75 | 210.0 | 0.0732 | 0.1756 |
| 0.75 | 222.0 | 0.0912 | 0.1593 |
| 0.75 | 234.0 | -0.0266 | 0.1719 |
| 0.75 | 246.0 | 0.2038 | 0.1585 |
| 0.75 | 258.0 | -0.2614 | 0.2108 |
| 0.75 | 282.0 | -0.2833 | 0.2218 |
| 0.75 | 294.0 | 0.0181 | 0.1946 |
| 0.75 | 306.0 | 0.0366 | 0.2594 |
| 0.85 | 66.0 | 0.1661 | 0.1506 |
| 0.85 | 78.0 | 0.0811 | 0.1366 |
| 0.85 | 90.0 | 0.1673 | 0.1617 |
| 0.85 | 102.0 | 0.4124 | 0.2311 |
| 0.85 | 114.0 | 0.0837 | 0.2017 |
| 0.85 | 126.0 | -0.2819 | 0.1665 |
| 0.85 | 138.0 | 0.2801 | 0.2678 |
| 0.85 | 150.0 | -0.1812 | 0.2589 |
| 0.85 | 162.0 | 0.3655 | 0.2512 |
| 0.85 | 174.0 | 0.0539 | 0.241 |
| 0.85 | 186.0 | -0.0185 | 0.1807 |
| 0.85 | 198.0 | 0.4227 | 0.1676 |
| 0.85 | 210.0 | 0.4819 | 0.1606 |
| 0.85 | 222.0 | -0.1302 | 0.1459 |
| 0.85 | 234.0 | 0.0823 | 0.131 |
| 0.85 | 246.0 | 0.071 | 0.1291 |
| 0.85 | 258.0 | 0.1579 | 0.1685 |
| 0.85 | 270.0 | 0.1101 | 0.1726 |
| 0.85 | 282.0 | -0.1223 | 0.2186 |
| 0.85 | 294.0 | -0.4116 | 0.2403 |
| 0.95 | 78.0 | -0.0132 | 0.2198 |
| 0.95 | 90.0 | -0.298 | 0.2126 |
| 0.95 | 102.0 | 0.1437 | 0.233 |
| 0.95 | 162.0 | -0.0137 | 0.2443 |
| 0.95 | 174.0 | 0.0335 | 0.2275 |
| 0.95 | 186.0 | -0.1668 | 0.2386 |
| 0.95 | 198.0 | -0.1639 | 0.2071 |
| 0.95 | 210.0 | -0.1802 | 0.1756 |
| 0.95 | 222.0 | -0.1567 | 0.1601 |
| 0.95 | 234.0 | 0.1899 | 0.1648 |
| 0.95 | 246.0 | -0.0123 | 0.1909 |
| 0.95 | 258.0 | 0.1018 | 0.1506 |
| 0.95 | 270.0 | -0.4204 | 0.1612 |
| 0.95 | 282.0 | -0.0295 | 0.1709 |
| 0.95 | 294.0 | -0.419 | 0.1542 |
Experiment comment: