Measurement E151M3025
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1183 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9098 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 30.0 | 0.1495 | 0.2178 |
| 0.15 | 30.0 | -0.0477 | 0.2504 |
| 0.15 | 42.0 | 0.0069 | 0.2338 |
| 0.15 | 342.0 | 0.3771 | 0.2664 |
| 0.25 | 18.0 | 0.2704 | 0.2352 |
| 0.25 | 30.0 | 0.2824 | 0.2574 |
| 0.25 | 42.0 | -0.4218 | 0.2192 |
| 0.25 | 54.0 | -0.0772 | 0.2624 |
| 0.25 | 66.0 | 0.2004 | 0.1914 |
| 0.25 | 78.0 | 0.3301 | 0.1928 |
| 0.25 | 282.0 | -0.1771 | 0.1995 |
| 0.25 | 294.0 | -0.0388 | 0.1896 |
| 0.25 | 306.0 | 0.0899 | 0.274 |
| 0.25 | 318.0 | -0.0524 | 0.2386 |
| 0.25 | 330.0 | -0.2304 | 0.2583 |
| 0.25 | 342.0 | -0.5377 | 0.2315 |
| 0.35 | 18.0 | 0.2921 | 0.2411 |
| 0.35 | 30.0 | -0.211 | 0.2281 |
| 0.35 | 54.0 | 0.4457 | 0.2525 |
| 0.35 | 66.0 | 0.1409 | 0.1535 |
| 0.35 | 78.0 | -0.0263 | 0.1429 |
| 0.35 | 90.0 | 0.1745 | 0.2085 |
| 0.35 | 270.0 | 0.1017 | 0.216 |
| 0.35 | 282.0 | -0.0158 | 0.1491 |
| 0.35 | 294.0 | 0.0266 | 0.1448 |
| 0.35 | 306.0 | 0.0189 | 0.1953 |
| 0.35 | 318.0 | 0.3317 | 0.2554 |
| 0.35 | 330.0 | -0.0108 | 0.2719 |
| 0.45 | 66.0 | -0.1924 | 0.1542 |
| 0.45 | 78.0 | -0.0901 | 0.136 |
| 0.45 | 90.0 | 0.193 | 0.157 |
| 0.45 | 102.0 | 0.2256 | 0.2471 |
| 0.45 | 114.0 | -0.0831 | 0.2244 |
| 0.45 | 126.0 | -0.217 | 0.2216 |
| 0.45 | 258.0 | 0.0687 | 0.2221 |
| 0.45 | 270.0 | -0.08 | 0.1462 |
| 0.45 | 282.0 | -0.1996 | 0.1323 |
| 0.45 | 294.0 | -0.209 | 0.1438 |
| 0.45 | 306.0 | -0.2926 | 0.1891 |
| 0.55 | 66.0 | -0.0278 | 0.2314 |
| 0.55 | 78.0 | 0.1556 | 0.1456 |
| 0.55 | 90.0 | -0.186 | 0.175 |
| 0.55 | 102.0 | -0.0312 | 0.1698 |
| 0.55 | 114.0 | 0.1864 | 0.1684 |
| 0.55 | 126.0 | 0.0638 | 0.1757 |
| 0.55 | 138.0 | -0.0558 | 0.2234 |
| 0.55 | 222.0 | 0.1132 | 0.2489 |
| 0.55 | 234.0 | 0.0466 | 0.1999 |
| 0.55 | 246.0 | -0.1207 | 0.1808 |
| 0.55 | 258.0 | -0.125 | 0.1719 |
| 0.55 | 270.0 | -0.0742 | 0.1503 |
| 0.55 | 282.0 | 0.2019 | 0.1394 |
| 0.55 | 294.0 | 0.3486 | 0.1683 |
| 0.55 | 306.0 | 0.0384 | 0.2104 |
| 0.65 | 66.0 | -0.3355 | 0.1604 |
| 0.65 | 78.0 | -0.0018 | 0.1699 |
| 0.65 | 90.0 | -0.0453 | 0.1809 |
| 0.65 | 102.0 | 0.1658 | 0.1596 |
| 0.65 | 114.0 | 0.1744 | 0.1429 |
| 0.65 | 126.0 | 0.0806 | 0.1467 |
| 0.65 | 138.0 | -0.1341 | 0.1455 |
| 0.65 | 150.0 | -0.0007 | 0.2011 |
| 0.65 | 162.0 | -0.2499 | 0.2235 |
| 0.65 | 198.0 | 0.0614 | 0.2448 |
| 0.65 | 210.0 | 0.3779 | 0.1778 |
| 0.65 | 222.0 | -0.1518 | 0.1509 |
| 0.65 | 234.0 | 0.2119 | 0.1604 |
| 0.65 | 246.0 | -0.1956 | 0.1546 |
| 0.65 | 258.0 | 0.1504 | 0.1532 |
| 0.65 | 270.0 | 0.0006 | 0.163 |
| 0.65 | 282.0 | -0.0373 | 0.1781 |
| 0.65 | 294.0 | -0.2117 | 0.1714 |
| 0.65 | 306.0 | 0.1797 | 0.1962 |
| 0.75 | 66.0 | 0.1586 | 0.2231 |
| 0.75 | 78.0 | 0.4121 | 0.1779 |
| 0.75 | 90.0 | 0.0677 | 0.2144 |
| 0.75 | 102.0 | -0.013 | 0.1978 |
| 0.75 | 114.0 | -0.201 | 0.1355 |
| 0.75 | 126.0 | 0.1363 | 0.1355 |
| 0.75 | 138.0 | 0.0579 | 0.1492 |
| 0.75 | 150.0 | -0.2123 | 0.1969 |
| 0.75 | 162.0 | -0.0066 | 0.2529 |
| 0.75 | 174.0 | -0.0249 | 0.2596 |
| 0.75 | 186.0 | 0.562 | 0.2326 |
| 0.75 | 198.0 | -0.1989 | 0.201 |
| 0.75 | 210.0 | 0.0867 | 0.1691 |
| 0.75 | 222.0 | 0.1958 | 0.1462 |
| 0.75 | 234.0 | 0.0229 | 0.1274 |
| 0.75 | 246.0 | 0.2218 | 0.1226 |
| 0.75 | 258.0 | -0.1501 | 0.1721 |
| 0.75 | 270.0 | 0.011 | 0.2127 |
| 0.75 | 282.0 | -0.3241 | 0.1883 |
| 0.75 | 294.0 | 0.2255 | 0.2063 |
| 0.85 | 90.0 | 0.1581 | 0.2405 |
| 0.85 | 102.0 | 0.423 | 0.181 |
| 0.85 | 114.0 | 0.0479 | 0.2033 |
| 0.85 | 126.0 | 0.0839 | 0.1809 |
| 0.85 | 138.0 | 0.0259 | 0.1711 |
| 0.85 | 150.0 | 0.0407 | 0.2547 |
| 0.85 | 198.0 | -0.2182 | 0.2288 |
| 0.85 | 210.0 | 0.1186 | 0.1841 |
| 0.85 | 222.0 | 0.0148 | 0.1448 |
| 0.85 | 234.0 | -0.1496 | 0.119 |
| 0.85 | 246.0 | -0.1562 | 0.1342 |
| 0.85 | 258.0 | -0.0302 | 0.1522 |
| 0.85 | 270.0 | -0.2847 | 0.183 |
| 0.95 | 102.0 | -0.2996 | 0.2851 |
| 0.95 | 114.0 | 0.0462 | 0.2749 |
| 0.95 | 126.0 | 0.232 | 0.2388 |
| 0.95 | 222.0 | -0.3172 | 0.2089 |
| 0.95 | 234.0 | -0.0113 | 0.1756 |
| 0.95 | 246.0 | -0.1789 | 0.1544 |
| 0.95 | 258.0 | -0.075 | 0.2012 |
Experiment comment: