Measurement E151M3516
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1191 | |
| Q2: | 0.101 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9338 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.1269 | 0.2141 |
| 0.25 | 78.0 | -0.222 | 0.219 |
| 0.25 | 282.0 | 0.2817 | 0.2807 |
| 0.25 | 294.0 | 0.2441 | 0.206 |
| 0.35 | 66.0 | -0.0791 | 0.2045 |
| 0.35 | 78.0 | -0.1919 | 0.1873 |
| 0.35 | 90.0 | 0.0295 | 0.2622 |
| 0.35 | 270.0 | -0.0422 | 0.2214 |
| 0.35 | 282.0 | 0.022 | 0.1939 |
| 0.35 | 294.0 | -0.1476 | 0.2376 |
| 0.45 | 66.0 | 0.3114 | 0.2036 |
| 0.45 | 78.0 | 0.1676 | 0.2056 |
| 0.45 | 90.0 | -0.017 | 0.301 |
| 0.45 | 102.0 | 0.2055 | 0.2315 |
| 0.45 | 114.0 | 0.0593 | 0.208 |
| 0.45 | 258.0 | -0.1229 | 0.2129 |
| 0.45 | 270.0 | -0.2315 | 0.16 |
| 0.45 | 282.0 | -0.3179 | 0.1589 |
| 0.45 | 294.0 | -0.2792 | 0.1946 |
| 0.55 | 54.0 | -0.0818 | 0.2619 |
| 0.55 | 66.0 | -0.1122 | 0.2472 |
| 0.55 | 78.0 | 0.1413 | 0.2454 |
| 0.55 | 90.0 | 0.3445 | 0.2354 |
| 0.55 | 102.0 | 0.2323 | 0.1621 |
| 0.55 | 114.0 | 0.017 | 0.1662 |
| 0.55 | 126.0 | -0.1823 | 0.1699 |
| 0.55 | 138.0 | -0.127 | 0.2013 |
| 0.55 | 210.0 | 0.2107 | 0.2369 |
| 0.55 | 222.0 | -0.0781 | 0.2388 |
| 0.55 | 234.0 | 0.3786 | 0.1921 |
| 0.55 | 258.0 | 0.353 | 0.2105 |
| 0.55 | 270.0 | 0.0207 | 0.1629 |
| 0.55 | 282.0 | -0.0839 | 0.1653 |
| 0.55 | 294.0 | -0.056 | 0.2713 |
| 0.55 | 306.0 | 0.2257 | 0.2637 |
| 0.65 | 54.0 | 0.3338 | 0.1748 |
| 0.65 | 66.0 | -0.0069 | 0.2361 |
| 0.65 | 90.0 | 0.2379 | 0.1908 |
| 0.65 | 102.0 | -0.0079 | 0.1493 |
| 0.65 | 114.0 | 0.3625 | 0.1307 |
| 0.65 | 126.0 | 0.2533 | 0.1652 |
| 0.65 | 138.0 | 0.0865 | 0.1614 |
| 0.65 | 150.0 | -0.0829 | 0.2617 |
| 0.65 | 186.0 | -0.1805 | 0.2583 |
| 0.65 | 198.0 | 0.1005 | 0.1932 |
| 0.65 | 210.0 | 0.0796 | 0.1682 |
| 0.65 | 222.0 | 0.0315 | 0.168 |
| 0.65 | 234.0 | 0.0227 | 0.184 |
| 0.65 | 246.0 | 0.337 | 0.2161 |
| 0.65 | 258.0 | -0.3664 | 0.2023 |
| 0.65 | 270.0 | -0.3742 | 0.208 |
| 0.65 | 282.0 | 0.1684 | 0.239 |
| 0.65 | 294.0 | -0.4553 | 0.1502 |
| 0.65 | 306.0 | 0.0606 | 0.196 |
| 0.75 | 78.0 | -0.1259 | 0.2122 |
| 0.75 | 90.0 | 0.0561 | 0.2037 |
| 0.75 | 102.0 | -0.1354 | 0.1727 |
| 0.75 | 114.0 | -0.0305 | 0.1409 |
| 0.75 | 126.0 | -0.0381 | 0.1353 |
| 0.75 | 138.0 | 0.197 | 0.1603 |
| 0.75 | 150.0 | -0.1122 | 0.2357 |
| 0.75 | 162.0 | 0.2299 | 0.2543 |
| 0.75 | 186.0 | 0.015 | 0.1924 |
| 0.75 | 198.0 | 0.0354 | 0.1787 |
| 0.75 | 210.0 | -0.0169 | 0.1602 |
| 0.75 | 222.0 | -0.1582 | 0.1536 |
| 0.75 | 234.0 | 0.0178 | 0.1463 |
| 0.75 | 246.0 | -0.0489 | 0.1596 |
| 0.75 | 258.0 | 0.2477 | 0.2145 |
| 0.75 | 282.0 | -0.2406 | 0.1948 |
| 0.75 | 294.0 | -0.0604 | 0.1738 |
| 0.75 | 306.0 | -0.1874 | 0.2712 |
| 0.85 | 78.0 | -0.1904 | 0.1445 |
| 0.85 | 90.0 | 0.1075 | 0.1319 |
| 0.85 | 102.0 | 0.05 | 0.1498 |
| 0.85 | 114.0 | 0.0268 | 0.199 |
| 0.85 | 126.0 | 0.2269 | 0.1696 |
| 0.85 | 138.0 | 0.3065 | 0.215 |
| 0.85 | 150.0 | -0.2917 | 0.2567 |
| 0.85 | 174.0 | 0.0856 | 0.2548 |
| 0.85 | 186.0 | -0.0239 | 0.2168 |
| 0.85 | 198.0 | 0.0781 | 0.1712 |
| 0.85 | 210.0 | -0.1172 | 0.1457 |
| 0.85 | 222.0 | -0.1346 | 0.1285 |
| 0.85 | 234.0 | -0.0358 | 0.1201 |
| 0.85 | 246.0 | -0.0485 | 0.1321 |
| 0.85 | 258.0 | 0.208 | 0.1734 |
| 0.85 | 270.0 | -0.3922 | 0.2642 |
| 0.85 | 282.0 | 0.3998 | 0.217 |
| 0.95 | 90.0 | -0.1128 | 0.1836 |
| 0.95 | 102.0 | 0.1244 | 0.1698 |
| 0.95 | 126.0 | 0.0603 | 0.2949 |
| 0.95 | 162.0 | 0.1418 | 0.2627 |
| 0.95 | 174.0 | -0.515 | 0.2428 |
| 0.95 | 186.0 | 0.0005 | 0.2351 |
| 0.95 | 198.0 | -0.3364 | 0.1798 |
| 0.95 | 210.0 | 0.0835 | 0.1734 |
| 0.95 | 222.0 | -0.1978 | 0.1539 |
| 0.95 | 234.0 | -0.1889 | 0.1571 |
| 0.95 | 246.0 | 0.3007 | 0.1584 |
| 0.95 | 258.0 | -0.3332 | 0.1737 |
| 0.95 | 270.0 | -0.249 | 0.1847 |
Experiment comment: