Measurement E151M3029
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2141 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8902 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | 0.2482 | 0.2531 |
| 0.25 | 54.0 | -0.4681 | 0.2524 |
| 0.25 | 66.0 | -0.3203 | 0.255 |
| 0.25 | 78.0 | -0.2129 | 0.2257 |
| 0.25 | 282.0 | -0.1926 | 0.2531 |
| 0.25 | 294.0 | -0.4235 | 0.1843 |
| 0.35 | 66.0 | 0.0255 | 0.2023 |
| 0.35 | 78.0 | -0.1949 | 0.2044 |
| 0.35 | 270.0 | 0.1167 | 0.2799 |
| 0.35 | 282.0 | -0.246 | 0.2337 |
| 0.35 | 294.0 | 0.0754 | 0.2009 |
| 0.35 | 306.0 | 0.4082 | 0.2309 |
| 0.45 | 66.0 | 0.0349 | 0.2219 |
| 0.45 | 78.0 | -0.0476 | 0.206 |
| 0.45 | 90.0 | 0.2307 | 0.2697 |
| 0.45 | 270.0 | -0.1482 | 0.2517 |
| 0.45 | 282.0 | 0.1382 | 0.21 |
| 0.45 | 294.0 | -0.3147 | 0.198 |
| 0.55 | 66.0 | 0.0975 | 0.2574 |
| 0.55 | 78.0 | -0.1523 | 0.2279 |
| 0.55 | 114.0 | -0.5024 | 0.1924 |
| 0.55 | 126.0 | -0.1827 | 0.2762 |
| 0.55 | 258.0 | -0.078 | 0.2659 |
| 0.55 | 270.0 | 0.1702 | 0.218 |
| 0.55 | 282.0 | -0.2051 | 0.1914 |
| 0.55 | 294.0 | -0.1363 | 0.2377 |
| 0.55 | 306.0 | -0.6053 | 0.2057 |
| 0.65 | 66.0 | 0.1852 | 0.249 |
| 0.65 | 78.0 | -0.0171 | 0.2863 |
| 0.65 | 90.0 | 0.0633 | 0.2366 |
| 0.65 | 102.0 | -0.1711 | 0.2154 |
| 0.65 | 114.0 | 0.1946 | 0.1727 |
| 0.65 | 126.0 | 0.0573 | 0.1967 |
| 0.65 | 138.0 | 0.4907 | 0.1855 |
| 0.65 | 210.0 | -0.0707 | 0.2596 |
| 0.65 | 222.0 | 0.2377 | 0.2375 |
| 0.65 | 234.0 | 0.2105 | 0.2132 |
| 0.65 | 246.0 | 0.0089 | 0.1992 |
| 0.65 | 258.0 | -0.0106 | 0.2327 |
| 0.65 | 270.0 | 0.1125 | 0.2647 |
| 0.65 | 282.0 | -0.2852 | 0.2551 |
| 0.65 | 294.0 | 0.4037 | 0.2193 |
| 0.65 | 306.0 | 0.0292 | 0.2767 |
| 0.75 | 90.0 | 0.1075 | 0.2304 |
| 0.75 | 102.0 | -0.1679 | 0.1743 |
| 0.75 | 114.0 | -0.1293 | 0.1697 |
| 0.75 | 126.0 | 0.1663 | 0.1892 |
| 0.75 | 138.0 | 0.1836 | 0.1938 |
| 0.75 | 210.0 | -0.6772 | 0.1698 |
| 0.75 | 222.0 | -0.4454 | 0.1583 |
| 0.75 | 234.0 | -0.1043 | 0.1789 |
| 0.75 | 246.0 | -0.1056 | 0.1884 |
| 0.75 | 258.0 | -0.2573 | 0.182 |
| 0.85 | 78.0 | -0.2164 | 0.2548 |
| 0.85 | 102.0 | 0.1575 | 0.2135 |
| 0.85 | 114.0 | -0.0799 | 0.2197 |
| 0.85 | 126.0 | 0.3602 | 0.1725 |
| 0.85 | 138.0 | -0.1103 | 0.2391 |
| 0.85 | 150.0 | 0.1472 | 0.2927 |
| 0.85 | 198.0 | 0.3047 | 0.2224 |
| 0.85 | 210.0 | 0.1044 | 0.228 |
| 0.85 | 222.0 | -0.2959 | 0.1952 |
| 0.85 | 234.0 | -0.3754 | 0.1595 |
| 0.85 | 246.0 | 0.2144 | 0.1617 |
| 0.85 | 258.0 | 0.0653 | 0.1915 |
| 0.85 | 270.0 | -0.3301 | 0.1675 |
| 0.85 | 282.0 | 0.4446 | 0.2248 |
| 0.95 | 90.0 | 0.4011 | 0.2125 |
| 0.95 | 102.0 | -0.0529 | 0.2569 |
| 0.95 | 210.0 | 0.1091 | 0.2552 |
| 0.95 | 222.0 | 0.3051 | 0.2749 |
| 0.95 | 234.0 | -0.3389 | 0.2168 |
| 0.95 | 246.0 | -0.1708 | 0.2053 |
| 0.95 | 258.0 | 0.3724 | 0.2118 |
| 0.95 | 270.0 | -0.2747 | 0.2097 |
| 0.95 | 282.0 | 0.1871 | 0.2624 |
Experiment comment: