Measurement E151M2979
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2221 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9391 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | 0.1664 | 0.2161 |
| 0.25 | 54.0 | 0.0743 | 0.2365 |
| 0.25 | 66.0 | -0.0798 | 0.2154 |
| 0.25 | 78.0 | 0.1435 | 0.2381 |
| 0.25 | 294.0 | -0.2092 | 0.1707 |
| 0.25 | 306.0 | 0.2443 | 0.1857 |
| 0.25 | 318.0 | -0.0844 | 0.269 |
| 0.35 | 66.0 | 0.0482 | 0.1521 |
| 0.35 | 78.0 | -0.1615 | 0.1494 |
| 0.35 | 90.0 | -0.2119 | 0.2248 |
| 0.35 | 282.0 | -0.4023 | 0.1743 |
| 0.35 | 294.0 | 0.2562 | 0.1538 |
| 0.35 | 306.0 | 0.124 | 0.1736 |
| 0.45 | 66.0 | -0.0204 | 0.151 |
| 0.45 | 78.0 | 0.2133 | 0.1261 |
| 0.45 | 90.0 | -0.0857 | 0.1734 |
| 0.45 | 270.0 | 0.1424 | 0.259 |
| 0.45 | 282.0 | -0.0876 | 0.1691 |
| 0.45 | 294.0 | 0.0563 | 0.142 |
| 0.45 | 306.0 | 0.1936 | 0.2682 |
| 0.55 | 66.0 | 0.1433 | 0.1705 |
| 0.55 | 78.0 | -0.1211 | 0.1375 |
| 0.55 | 90.0 | -0.2145 | 0.1673 |
| 0.55 | 102.0 | 0.2102 | 0.2205 |
| 0.55 | 114.0 | 0.3969 | 0.2374 |
| 0.55 | 246.0 | -0.4064 | 0.2607 |
| 0.55 | 258.0 | 0.2819 | 0.1814 |
| 0.55 | 270.0 | -0.1758 | 0.1768 |
| 0.55 | 282.0 | 0.0474 | 0.1781 |
| 0.55 | 294.0 | 0.1541 | 0.1976 |
| 0.65 | 66.0 | 0.0906 | 0.2114 |
| 0.65 | 78.0 | -0.1265 | 0.1759 |
| 0.65 | 90.0 | -0.2123 | 0.1909 |
| 0.65 | 102.0 | 0.0504 | 0.1818 |
| 0.65 | 114.0 | -0.0901 | 0.1676 |
| 0.65 | 126.0 | 0.058 | 0.1589 |
| 0.65 | 138.0 | 0.3981 | 0.2315 |
| 0.65 | 222.0 | -0.0242 | 0.2158 |
| 0.65 | 234.0 | -0.1259 | 0.1559 |
| 0.65 | 246.0 | 0.2155 | 0.1501 |
| 0.65 | 258.0 | -0.1661 | 0.152 |
| 0.65 | 270.0 | 0.009 | 0.1666 |
| 0.65 | 282.0 | 0.1599 | 0.1893 |
| 0.75 | 78.0 | 0.1849 | 0.2398 |
| 0.75 | 90.0 | 0.3273 | 0.1734 |
| 0.75 | 102.0 | -0.0099 | 0.1797 |
| 0.75 | 114.0 | -0.1109 | 0.1452 |
| 0.75 | 126.0 | -0.174 | 0.1418 |
| 0.75 | 138.0 | -0.0315 | 0.1498 |
| 0.75 | 150.0 | 0.1851 | 0.1988 |
| 0.75 | 198.0 | -0.3693 | 0.2855 |
| 0.75 | 210.0 | -0.0246 | 0.2185 |
| 0.75 | 222.0 | -0.0259 | 0.1608 |
| 0.75 | 234.0 | -0.0878 | 0.1468 |
| 0.75 | 246.0 | 0.0028 | 0.1324 |
| 0.75 | 258.0 | -0.0524 | 0.1404 |
| 0.75 | 270.0 | -0.2401 | 0.1536 |
| 0.75 | 282.0 | 0.1109 | 0.2473 |
| 0.85 | 90.0 | -0.2014 | 0.2478 |
| 0.85 | 102.0 | -0.1653 | 0.1962 |
| 0.85 | 114.0 | 0.2424 | 0.1275 |
| 0.85 | 126.0 | 0.0725 | 0.148 |
| 0.85 | 138.0 | 0.1387 | 0.1367 |
| 0.85 | 150.0 | 0.3678 | 0.1638 |
| 0.85 | 162.0 | 0.0439 | 0.2351 |
| 0.85 | 174.0 | -0.2017 | 0.2337 |
| 0.85 | 210.0 | 0.2013 | 0.1861 |
| 0.85 | 222.0 | 0.0652 | 0.1551 |
| 0.85 | 234.0 | 0.0692 | 0.1601 |
| 0.85 | 246.0 | 0.1936 | 0.1252 |
| 0.85 | 258.0 | -0.3287 | 0.1121 |
| 0.85 | 270.0 | 0.0815 | 0.1328 |
| 0.85 | 282.0 | -0.2803 | 0.1921 |
| 0.95 | 138.0 | -0.0805 | 0.2215 |
| 0.95 | 150.0 | 0.1643 | 0.2517 |
| 0.95 | 162.0 | 0.3282 | 0.2601 |
| 0.95 | 210.0 | 0.0133 | 0.2083 |
| 0.95 | 222.0 | -0.0864 | 0.1811 |
| 0.95 | 234.0 | 0.0076 | 0.1779 |
| 0.95 | 246.0 | 0.295 | 0.1617 |
| 0.95 | 258.0 | -0.0067 | 0.1841 |
| 0.95 | 270.0 | 0.1186 | 0.2156 |
Experiment comment: