Measurement E151M3519
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.184 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9229 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 6.0 | 0.3809 | 0.2542 |
| 0.15 | 66.0 | 0.2791 | 0.2389 |
| 0.15 | 78.0 | -0.429 | 0.2226 |
| 0.15 | 294.0 | -0.5453 | 0.2118 |
| 0.15 | 306.0 | -0.4296 | 0.212 |
| 0.25 | 66.0 | 0.0277 | 0.2026 |
| 0.25 | 78.0 | 0.1752 | 0.2201 |
| 0.25 | 282.0 | 0.214 | 0.2083 |
| 0.25 | 294.0 | -0.4096 | 0.1833 |
| 0.35 | 66.0 | -0.0022 | 0.2016 |
| 0.35 | 78.0 | 0.107 | 0.2668 |
| 0.35 | 270.0 | -0.2491 | 0.1834 |
| 0.35 | 282.0 | 0.0092 | 0.185 |
| 0.35 | 294.0 | -0.0039 | 0.1626 |
| 0.45 | 54.0 | -0.2058 | 0.2702 |
| 0.45 | 66.0 | 0.072 | 0.2453 |
| 0.45 | 78.0 | -0.0686 | 0.2392 |
| 0.45 | 90.0 | -0.0692 | 0.2436 |
| 0.45 | 102.0 | 0.006 | 0.2164 |
| 0.45 | 114.0 | -0.0094 | 0.1818 |
| 0.45 | 126.0 | 0.1325 | 0.2262 |
| 0.45 | 258.0 | -0.1138 | 0.267 |
| 0.45 | 270.0 | 0.0341 | 0.2011 |
| 0.45 | 282.0 | -0.2377 | 0.1629 |
| 0.45 | 294.0 | 0.179 | 0.1949 |
| 0.55 | 42.0 | -0.1308 | 0.2872 |
| 0.55 | 54.0 | 0.1434 | 0.2222 |
| 0.55 | 66.0 | 0.113 | 0.2439 |
| 0.55 | 78.0 | -0.0995 | 0.2315 |
| 0.55 | 90.0 | 0.0289 | 0.2103 |
| 0.55 | 102.0 | -0.1375 | 0.1561 |
| 0.55 | 114.0 | 0.1851 | 0.1523 |
| 0.55 | 126.0 | -0.1066 | 0.2014 |
| 0.55 | 138.0 | -0.1829 | 0.2169 |
| 0.55 | 222.0 | -0.135 | 0.2576 |
| 0.55 | 234.0 | -0.0253 | 0.2326 |
| 0.55 | 246.0 | 0.5211 | 0.1927 |
| 0.55 | 258.0 | 0.1322 | 0.231 |
| 0.55 | 270.0 | -0.1057 | 0.1548 |
| 0.55 | 282.0 | -0.1476 | 0.1522 |
| 0.55 | 306.0 | 0.0879 | 0.1996 |
| 0.65 | 66.0 | 0.0589 | 0.2713 |
| 0.65 | 78.0 | 0.155 | 0.2545 |
| 0.65 | 90.0 | -0.1058 | 0.1798 |
| 0.65 | 102.0 | 0.0141 | 0.139 |
| 0.65 | 114.0 | 0.0948 | 0.1352 |
| 0.65 | 126.0 | 0.1167 | 0.1571 |
| 0.65 | 138.0 | 0.0037 | 0.1693 |
| 0.65 | 150.0 | 0.0998 | 0.2801 |
| 0.65 | 198.0 | -0.1449 | 0.2214 |
| 0.65 | 210.0 | -0.0503 | 0.1685 |
| 0.65 | 222.0 | -0.354 | 0.1641 |
| 0.65 | 234.0 | -0.0593 | 0.156 |
| 0.65 | 246.0 | 0.0114 | 0.1746 |
| 0.65 | 258.0 | 0.2619 | 0.2156 |
| 0.65 | 270.0 | -0.1456 | 0.1842 |
| 0.65 | 294.0 | -0.1216 | 0.1731 |
| 0.65 | 306.0 | -0.1539 | 0.1819 |
| 0.75 | 66.0 | 0.4763 | 0.2209 |
| 0.75 | 78.0 | 0.1191 | 0.1764 |
| 0.75 | 90.0 | -0.0679 | 0.2016 |
| 0.75 | 102.0 | 0.0542 | 0.124 |
| 0.75 | 114.0 | 0.1866 | 0.1286 |
| 0.75 | 126.0 | 0.049 | 0.145 |
| 0.75 | 138.0 | -0.0416 | 0.1857 |
| 0.75 | 150.0 | -0.1883 | 0.2551 |
| 0.75 | 174.0 | 0.1211 | 0.2683 |
| 0.75 | 186.0 | -0.0467 | 0.1801 |
| 0.75 | 198.0 | -0.1858 | 0.1547 |
| 0.75 | 210.0 | 0.1599 | 0.1308 |
| 0.75 | 222.0 | -0.0571 | 0.1461 |
| 0.75 | 234.0 | -0.2302 | 0.1383 |
| 0.75 | 246.0 | -0.2003 | 0.1566 |
| 0.75 | 258.0 | 0.0425 | 0.1665 |
| 0.75 | 270.0 | 0.1487 | 0.2479 |
| 0.75 | 282.0 | -0.0895 | 0.1829 |
| 0.75 | 294.0 | -0.0323 | 0.1697 |
| 0.75 | 306.0 | -0.1269 | 0.2503 |
| 0.85 | 66.0 | 0.0912 | 0.1712 |
| 0.85 | 78.0 | 0.1404 | 0.1274 |
| 0.85 | 90.0 | -0.1236 | 0.1381 |
| 0.85 | 102.0 | 0.2464 | 0.1831 |
| 0.85 | 114.0 | 0.1246 | 0.1646 |
| 0.85 | 126.0 | 0.1445 | 0.1539 |
| 0.85 | 138.0 | -0.2302 | 0.177 |
| 0.85 | 150.0 | 0.0818 | 0.2263 |
| 0.85 | 162.0 | -0.2033 | 0.2548 |
| 0.85 | 174.0 | 0.1227 | 0.2585 |
| 0.85 | 186.0 | 0.2238 | 0.1996 |
| 0.85 | 198.0 | -0.2258 | 0.1635 |
| 0.85 | 210.0 | -0.1933 | 0.1417 |
| 0.85 | 222.0 | -0.0452 | 0.1366 |
| 0.85 | 234.0 | -0.2938 | 0.1155 |
| 0.85 | 246.0 | 0.0811 | 0.1208 |
| 0.85 | 258.0 | -0.3024 | 0.1322 |
| 0.85 | 270.0 | 0.0534 | 0.1684 |
| 0.85 | 282.0 | 0.1508 | 0.2045 |
| 0.95 | 78.0 | 0.1763 | 0.1621 |
| 0.95 | 90.0 | 0.0693 | 0.1548 |
| 0.95 | 102.0 | -0.3319 | 0.2145 |
| 0.95 | 186.0 | -0.0044 | 0.2173 |
| 0.95 | 198.0 | 0.134 | 0.1906 |
| 0.95 | 210.0 | -0.3534 | 0.1466 |
| 0.95 | 222.0 | -0.0345 | 0.1838 |
| 0.95 | 234.0 | -0.0145 | 0.1432 |
| 0.95 | 246.0 | 0.0179 | 0.1378 |
| 0.95 | 258.0 | -0.1153 | 0.1343 |
| 0.95 | 270.0 | 0.1425 | 0.1427 |
| 0.95 | 282.0 | -0.0477 | 0.1362 |
| 0.95 | 294.0 | 0.1656 | 0.1884 |
Experiment comment: