Measurement E151M3468
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2301 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9566 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | 0.0239 | 0.2686 |
| 0.15 | 54.0 | -0.2208 | 0.2013 |
| 0.15 | 66.0 | -0.1578 | 0.1831 |
| 0.15 | 294.0 | -0.0891 | 0.1807 |
| 0.15 | 306.0 | -0.1979 | 0.2072 |
| 0.25 | 54.0 | -0.063 | 0.1816 |
| 0.25 | 66.0 | -0.0756 | 0.1495 |
| 0.25 | 78.0 | -0.1171 | 0.2049 |
| 0.25 | 282.0 | 0.2956 | 0.1911 |
| 0.25 | 294.0 | -0.4874 | 0.1532 |
| 0.25 | 306.0 | 0.0585 | 0.2313 |
| 0.35 | 54.0 | -0.3668 | 0.205 |
| 0.35 | 66.0 | -0.1515 | 0.14 |
| 0.35 | 78.0 | 0.0688 | 0.1775 |
| 0.35 | 90.0 | 0.2056 | 0.2895 |
| 0.35 | 270.0 | 0.3093 | 0.202 |
| 0.35 | 282.0 | 0.0738 | 0.1526 |
| 0.35 | 294.0 | -0.008 | 0.143 |
| 0.35 | 306.0 | 0.0491 | 0.1883 |
| 0.45 | 54.0 | -0.2952 | 0.2225 |
| 0.45 | 66.0 | -0.3328 | 0.1465 |
| 0.45 | 78.0 | 0.0255 | 0.181 |
| 0.45 | 90.0 | -0.0461 | 0.2155 |
| 0.45 | 102.0 | -0.1478 | 0.2341 |
| 0.45 | 270.0 | -0.0395 | 0.1888 |
| 0.45 | 282.0 | -0.1102 | 0.1404 |
| 0.45 | 294.0 | 0.089 | 0.1493 |
| 0.55 | 54.0 | 0.0363 | 0.1981 |
| 0.55 | 66.0 | 0.0307 | 0.1655 |
| 0.55 | 78.0 | 0.0293 | 0.2195 |
| 0.55 | 90.0 | -0.1186 | 0.2159 |
| 0.55 | 102.0 | -0.1569 | 0.1793 |
| 0.55 | 114.0 | 0.1548 | 0.1673 |
| 0.55 | 246.0 | 0.0776 | 0.2535 |
| 0.55 | 258.0 | -0.1523 | 0.2155 |
| 0.55 | 270.0 | -0.0877 | 0.2018 |
| 0.55 | 282.0 | -0.0931 | 0.1501 |
| 0.55 | 294.0 | -0.2836 | 0.1796 |
| 0.55 | 306.0 | 0.3406 | 0.1777 |
| 0.65 | 54.0 | 0.1171 | 0.2001 |
| 0.65 | 66.0 | 0.222 | 0.2162 |
| 0.65 | 78.0 | 0.0743 | 0.1928 |
| 0.65 | 90.0 | 0.1983 | 0.1369 |
| 0.65 | 102.0 | -0.0616 | 0.1192 |
| 0.65 | 114.0 | -0.0002 | 0.1167 |
| 0.65 | 126.0 | 0.2695 | 0.1497 |
| 0.65 | 138.0 | -0.177 | 0.2009 |
| 0.65 | 210.0 | -0.5384 | 0.2086 |
| 0.65 | 222.0 | -0.3445 | 0.2103 |
| 0.65 | 234.0 | -0.0743 | 0.1686 |
| 0.65 | 246.0 | 0.0037 | 0.1345 |
| 0.65 | 258.0 | 0.0597 | 0.1645 |
| 0.65 | 270.0 | 0.2019 | 0.1708 |
| 0.65 | 282.0 | 0.2195 | 0.1807 |
| 0.65 | 294.0 | -0.1238 | 0.242 |
| 0.65 | 306.0 | -0.0314 | 0.1882 |
| 0.75 | 78.0 | -0.176 | 0.2128 |
| 0.75 | 90.0 | 0.0763 | 0.1167 |
| 0.75 | 102.0 | 0.0267 | 0.1125 |
| 0.75 | 114.0 | 0.0305 | 0.1153 |
| 0.75 | 126.0 | -0.0684 | 0.13 |
| 0.75 | 138.0 | 0.0338 | 0.1467 |
| 0.75 | 150.0 | 0.0379 | 0.2583 |
| 0.75 | 186.0 | -0.1299 | 0.2533 |
| 0.75 | 198.0 | 0.0788 | 0.2151 |
| 0.75 | 210.0 | -0.0362 | 0.1691 |
| 0.75 | 222.0 | -0.0069 | 0.157 |
| 0.75 | 234.0 | -0.0709 | 0.1377 |
| 0.75 | 246.0 | 0.0035 | 0.1303 |
| 0.75 | 258.0 | 0.1532 | 0.1365 |
| 0.75 | 270.0 | 0.3903 | 0.1665 |
| 0.75 | 282.0 | -0.3242 | 0.2606 |
| 0.75 | 294.0 | -0.0645 | 0.1795 |
| 0.85 | 66.0 | -0.2569 | 0.213 |
| 0.85 | 78.0 | -0.1282 | 0.1362 |
| 0.85 | 90.0 | 0.2604 | 0.1807 |
| 0.85 | 102.0 | 0.0632 | 0.1404 |
| 0.85 | 114.0 | 0.3226 | 0.1224 |
| 0.85 | 126.0 | 0.1125 | 0.1337 |
| 0.85 | 138.0 | -0.0251 | 0.1534 |
| 0.85 | 150.0 | -0.0684 | 0.2017 |
| 0.85 | 162.0 | 0.2288 | 0.263 |
| 0.85 | 186.0 | 0.0733 | 0.2559 |
| 0.85 | 198.0 | -0.0976 | 0.189 |
| 0.85 | 210.0 | 0.32 | 0.1506 |
| 0.85 | 222.0 | 0.0756 | 0.1657 |
| 0.85 | 234.0 | -0.1408 | 0.1155 |
| 0.85 | 246.0 | -0.1567 | 0.1042 |
| 0.85 | 258.0 | -0.0651 | 0.1128 |
| 0.85 | 270.0 | 0.2302 | 0.1305 |
| 0.85 | 282.0 | 0.1432 | 0.1675 |
| 0.85 | 294.0 | -0.2043 | 0.2292 |
| 0.95 | 78.0 | -0.0623 | 0.2007 |
| 0.95 | 90.0 | 0.0191 | 0.1975 |
| 0.95 | 102.0 | 0.1251 | 0.2296 |
| 0.95 | 114.0 | 0.1166 | 0.2856 |
| 0.95 | 126.0 | -0.1304 | 0.2315 |
| 0.95 | 138.0 | -0.3798 | 0.2193 |
| 0.95 | 150.0 | 0.0657 | 0.2813 |
| 0.95 | 186.0 | -0.0275 | 0.2756 |
| 0.95 | 198.0 | -0.3921 | 0.1729 |
| 0.95 | 210.0 | 0.0147 | 0.2025 |
| 0.95 | 222.0 | 0.01 | 0.17 |
| 0.95 | 234.0 | -0.0663 | 0.158 |
| 0.95 | 246.0 | -0.22 | 0.1332 |
| 0.95 | 258.0 | 0.0382 | 0.1334 |
| 0.95 | 270.0 | 0.0521 | 0.1379 |
| 0.95 | 282.0 | 0.1005 | 0.14 |
| 0.95 | 294.0 | 0.0758 | 0.2508 |
Experiment comment: