Measurement E151M3529
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1057 | |
| Q2: | 0.101 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9258 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | -0.0496 | 0.2332 |
| 0.25 | 66.0 | 0.0261 | 0.2193 |
| 0.25 | 78.0 | 0.3059 | 0.228 |
| 0.25 | 270.0 | 0.1256 | 0.2514 |
| 0.25 | 282.0 | 0.1799 | 0.2456 |
| 0.35 | 66.0 | -0.0101 | 0.1976 |
| 0.35 | 78.0 | -0.0494 | 0.1865 |
| 0.35 | 114.0 | -0.3242 | 0.2528 |
| 0.35 | 258.0 | 0.2083 | 0.2228 |
| 0.35 | 270.0 | -0.0637 | 0.1919 |
| 0.35 | 282.0 | -0.0452 | 0.1788 |
| 0.35 | 294.0 | -0.0534 | 0.2139 |
| 0.45 | 66.0 | 0.0018 | 0.214 |
| 0.45 | 78.0 | -0.4568 | 0.2069 |
| 0.45 | 90.0 | -0.0417 | 0.2524 |
| 0.45 | 102.0 | 0.144 | 0.2612 |
| 0.45 | 114.0 | -0.1353 | 0.191 |
| 0.45 | 126.0 | 0.403 | 0.1856 |
| 0.45 | 138.0 | 0.3071 | 0.2684 |
| 0.45 | 258.0 | 0.1124 | 0.1943 |
| 0.45 | 270.0 | -0.0567 | 0.1702 |
| 0.45 | 282.0 | -0.0919 | 0.1745 |
| 0.45 | 294.0 | -0.1206 | 0.1934 |
| 0.55 | 66.0 | -0.0505 | 0.2156 |
| 0.55 | 90.0 | -0.1906 | 0.2172 |
| 0.55 | 102.0 | 0.0847 | 0.2066 |
| 0.55 | 114.0 | 0.2455 | 0.1573 |
| 0.55 | 126.0 | 0.0609 | 0.165 |
| 0.55 | 138.0 | -0.3206 | 0.2159 |
| 0.55 | 198.0 | 0.2498 | 0.2691 |
| 0.55 | 210.0 | -0.3317 | 0.2283 |
| 0.55 | 222.0 | -0.1327 | 0.2029 |
| 0.55 | 234.0 | -0.0264 | 0.2428 |
| 0.55 | 246.0 | -0.3581 | 0.2148 |
| 0.55 | 258.0 | -0.2982 | 0.1646 |
| 0.55 | 270.0 | 0.2466 | 0.1491 |
| 0.55 | 282.0 | -0.2303 | 0.1576 |
| 0.65 | 54.0 | -0.302 | 0.2196 |
| 0.65 | 66.0 | -0.0965 | 0.2433 |
| 0.65 | 90.0 | 0.3612 | 0.1755 |
| 0.65 | 102.0 | 0.093 | 0.1432 |
| 0.65 | 114.0 | -0.1039 | 0.1339 |
| 0.65 | 126.0 | 0.225 | 0.1611 |
| 0.65 | 138.0 | 0.1734 | 0.1847 |
| 0.65 | 174.0 | -0.1123 | 0.2505 |
| 0.65 | 186.0 | -0.0392 | 0.2537 |
| 0.65 | 198.0 | -0.0045 | 0.2476 |
| 0.65 | 210.0 | 0.0336 | 0.191 |
| 0.65 | 222.0 | -0.0502 | 0.1745 |
| 0.65 | 234.0 | 0.026 | 0.1844 |
| 0.65 | 246.0 | 0.1212 | 0.2253 |
| 0.65 | 258.0 | -0.3553 | 0.1746 |
| 0.65 | 270.0 | -0.0284 | 0.2037 |
| 0.65 | 282.0 | 0.2324 | 0.2089 |
| 0.65 | 294.0 | 0.1247 | 0.1623 |
| 0.65 | 306.0 | 0.0591 | 0.2666 |
| 0.75 | 66.0 | -0.0179 | 0.2675 |
| 0.75 | 78.0 | -0.3236 | 0.2229 |
| 0.75 | 90.0 | 0.0272 | 0.199 |
| 0.75 | 102.0 | 0.1258 | 0.1579 |
| 0.75 | 114.0 | -0.0089 | 0.1375 |
| 0.75 | 126.0 | 0.046 | 0.13 |
| 0.75 | 138.0 | -0.0093 | 0.1615 |
| 0.75 | 150.0 | -0.0388 | 0.2187 |
| 0.75 | 162.0 | 0.3941 | 0.2555 |
| 0.75 | 174.0 | 0.3074 | 0.2112 |
| 0.75 | 186.0 | -0.2485 | 0.1858 |
| 0.75 | 198.0 | 0.0601 | 0.1569 |
| 0.75 | 210.0 | 0.2234 | 0.1509 |
| 0.75 | 222.0 | 0.0616 | 0.1386 |
| 0.75 | 234.0 | -0.0315 | 0.1443 |
| 0.75 | 246.0 | -0.1823 | 0.1603 |
| 0.75 | 258.0 | -0.4161 | 0.2153 |
| 0.75 | 270.0 | 0.0677 | 0.2148 |
| 0.75 | 282.0 | 0.1376 | 0.1533 |
| 0.75 | 294.0 | -0.1552 | 0.1496 |
| 0.85 | 78.0 | -0.2883 | 0.1711 |
| 0.85 | 90.0 | -0.1103 | 0.1255 |
| 0.85 | 102.0 | 0.2099 | 0.156 |
| 0.85 | 114.0 | -0.2805 | 0.1815 |
| 0.85 | 126.0 | -0.15 | 0.2186 |
| 0.85 | 138.0 | -0.0216 | 0.2389 |
| 0.85 | 150.0 | 0.0176 | 0.3101 |
| 0.85 | 162.0 | 0.1088 | 0.2554 |
| 0.85 | 174.0 | 0.0306 | 0.1991 |
| 0.85 | 186.0 | 0.0994 | 0.223 |
| 0.85 | 198.0 | 0.4319 | 0.14 |
| 0.85 | 210.0 | 0.1311 | 0.1496 |
| 0.85 | 222.0 | 0.0847 | 0.1337 |
| 0.85 | 234.0 | -0.0584 | 0.1296 |
| 0.85 | 246.0 | 0.0688 | 0.1595 |
| 0.85 | 258.0 | -0.4279 | 0.1705 |
| 0.85 | 270.0 | -0.4994 | 0.1809 |
| 0.85 | 282.0 | 0.1981 | 0.1943 |
| 0.95 | 90.0 | -0.0803 | 0.2231 |
| 0.95 | 102.0 | 0.1978 | 0.1662 |
| 0.95 | 114.0 | 0.115 | 0.2446 |
| 0.95 | 126.0 | -0.1023 | 0.2534 |
| 0.95 | 186.0 | 0.4092 | 0.2621 |
| 0.95 | 198.0 | -0.2488 | 0.1792 |
| 0.95 | 210.0 | 0.0835 | 0.1931 |
| 0.95 | 222.0 | -0.0874 | 0.1475 |
| 0.95 | 234.0 | -0.3747 | 0.1488 |
| 0.95 | 246.0 | 0.1861 | 0.1605 |
| 0.95 | 258.0 | -0.4579 | 0.1518 |
| 0.95 | 270.0 | 0.116 | 0.2711 |
Experiment comment: