Measurement E151M3449
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.4979 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9509 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | 0.5245 | 0.1999 |
| 0.05 | 66.0 | -0.1332 | 0.2347 |
| 0.05 | 306.0 | -0.2006 | 0.235 |
| 0.15 | 54.0 | 0.2098 | 0.2393 |
| 0.15 | 66.0 | 0.0383 | 0.201 |
| 0.15 | 294.0 | -0.1573 | 0.1949 |
| 0.15 | 306.0 | 0.0535 | 0.2235 |
| 0.25 | 54.0 | -0.4113 | 0.2095 |
| 0.25 | 66.0 | -0.097 | 0.1794 |
| 0.25 | 78.0 | 0.2876 | 0.2401 |
| 0.25 | 282.0 | -0.1798 | 0.2484 |
| 0.25 | 294.0 | -0.1164 | 0.1825 |
| 0.25 | 306.0 | 0.2278 | 0.1785 |
| 0.35 | 54.0 | 0.1575 | 0.2284 |
| 0.35 | 66.0 | 0.2243 | 0.2051 |
| 0.35 | 78.0 | -0.5017 | 0.2027 |
| 0.35 | 282.0 | 0.385 | 0.228 |
| 0.35 | 294.0 | 0.1133 | 0.1967 |
| 0.35 | 306.0 | 0.0849 | 0.2564 |
| 0.45 | 54.0 | 0.2835 | 0.2314 |
| 0.45 | 66.0 | -0.0198 | 0.2219 |
| 0.45 | 78.0 | 0.3782 | 0.2467 |
| 0.45 | 90.0 | 0.0247 | 0.2231 |
| 0.45 | 270.0 | 0.0167 | 0.279 |
| 0.45 | 282.0 | -0.0293 | 0.2094 |
| 0.45 | 294.0 | -0.1854 | 0.193 |
| 0.55 | 66.0 | 0.2336 | 0.2502 |
| 0.55 | 78.0 | 0.0551 | 0.1931 |
| 0.55 | 90.0 | 0.0939 | 0.2201 |
| 0.55 | 102.0 | -0.0137 | 0.1692 |
| 0.55 | 258.0 | -0.2135 | 0.2267 |
| 0.55 | 270.0 | -0.1527 | 0.1893 |
| 0.55 | 282.0 | -0.1493 | 0.2597 |
| 0.65 | 66.0 | 0.2358 | 0.2279 |
| 0.65 | 78.0 | -0.1131 | 0.164 |
| 0.65 | 90.0 | 0.0704 | 0.1331 |
| 0.65 | 102.0 | -0.0157 | 0.1379 |
| 0.65 | 114.0 | 0.2091 | 0.171 |
| 0.65 | 246.0 | -0.2142 | 0.1938 |
| 0.65 | 258.0 | -0.16 | 0.1586 |
| 0.65 | 270.0 | -0.1603 | 0.1591 |
| 0.65 | 282.0 | 0.246 | 0.222 |
| 0.75 | 54.0 | -0.2143 | 0.2217 |
| 0.75 | 66.0 | -0.109 | 0.2118 |
| 0.75 | 78.0 | 0.0196 | 0.1309 |
| 0.75 | 90.0 | -0.2966 | 0.1151 |
| 0.75 | 102.0 | -0.1882 | 0.12 |
| 0.75 | 114.0 | 0.0438 | 0.1341 |
| 0.75 | 126.0 | -0.0934 | 0.1965 |
| 0.75 | 222.0 | -0.1008 | 0.2059 |
| 0.75 | 234.0 | -0.181 | 0.1876 |
| 0.75 | 246.0 | -0.1976 | 0.1528 |
| 0.75 | 258.0 | 0.1629 | 0.1361 |
| 0.75 | 270.0 | 0.0315 | 0.1299 |
| 0.75 | 282.0 | -0.225 | 0.1371 |
| 0.75 | 294.0 | 0.0328 | 0.1788 |
| 0.85 | 54.0 | -0.2909 | 0.1689 |
| 0.85 | 66.0 | 0.1923 | 0.2271 |
| 0.85 | 78.0 | 0.038 | 0.162 |
| 0.85 | 90.0 | 0.0891 | 0.1307 |
| 0.85 | 102.0 | -0.094 | 0.1266 |
| 0.85 | 114.0 | 0.1679 | 0.1335 |
| 0.85 | 126.0 | 0.0139 | 0.1524 |
| 0.85 | 138.0 | 0.1514 | 0.191 |
| 0.85 | 150.0 | 0.2502 | 0.2644 |
| 0.85 | 198.0 | 0.0811 | 0.2319 |
| 0.85 | 210.0 | -0.2928 | 0.1818 |
| 0.85 | 222.0 | 0.1105 | 0.1474 |
| 0.85 | 234.0 | 0.2505 | 0.1372 |
| 0.85 | 246.0 | 0.032 | 0.1442 |
| 0.85 | 258.0 | -0.0215 | 0.1275 |
| 0.85 | 270.0 | -0.0722 | 0.1312 |
| 0.85 | 282.0 | -0.1301 | 0.1258 |
| 0.85 | 294.0 | -0.0533 | 0.1209 |
| 0.85 | 306.0 | -0.0758 | 0.1478 |
| 0.95 | 54.0 | -0.2236 | 0.2412 |
| 0.95 | 78.0 | 0.1086 | 0.2107 |
| 0.95 | 90.0 | -0.0409 | 0.1882 |
| 0.95 | 102.0 | -0.1185 | 0.1667 |
| 0.95 | 114.0 | -0.134 | 0.1644 |
| 0.95 | 126.0 | -0.3387 | 0.1862 |
| 0.95 | 138.0 | 0.0071 | 0.2231 |
| 0.95 | 150.0 | 0.1714 | 0.2431 |
| 0.95 | 162.0 | 0.0798 | 0.2307 |
| 0.95 | 174.0 | 0.3501 | 0.2322 |
| 0.95 | 186.0 | -0.1617 | 0.2591 |
| 0.95 | 198.0 | -0.0194 | 0.2251 |
| 0.95 | 210.0 | 0.1405 | 0.1988 |
| 0.95 | 222.0 | 0.0402 | 0.1884 |
| 0.95 | 234.0 | -0.0561 | 0.1783 |
| 0.95 | 246.0 | -0.1518 | 0.1528 |
| 0.95 | 258.0 | 0.1009 | 0.1546 |
| 0.95 | 270.0 | -0.086 | 0.1458 |
| 0.95 | 282.0 | 0.0721 | 0.142 |
| 0.95 | 294.0 | -0.0834 | 0.1416 |
| 0.95 | 306.0 | -0.0925 | 0.1621 |
| 0.95 | 318.0 | -0.4054 | 0.1798 |
| 0.95 | 330.0 | 0.5223 | 0.1858 |
Experiment comment: