Measurement E151M3210
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2674 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9605 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | -0.0227 | 0.1561 |
| 0.25 | 66.0 | -0.0397 | 0.1404 |
| 0.25 | 78.0 | -0.0216 | 0.1669 |
| 0.25 | 294.0 | 0.2052 | 0.1538 |
| 0.25 | 306.0 | -0.1347 | 0.1367 |
| 0.35 | 66.0 | -0.0142 | 0.1167 |
| 0.35 | 78.0 | 0.0723 | 0.1368 |
| 0.35 | 282.0 | 0.3792 | 0.1287 |
| 0.35 | 294.0 | -0.0691 | 0.1198 |
| 0.35 | 306.0 | 0.2503 | 0.1285 |
| 0.45 | 66.0 | 0.0455 | 0.1168 |
| 0.45 | 78.0 | -0.0329 | 0.1041 |
| 0.45 | 90.0 | 0.1757 | 0.206 |
| 0.45 | 282.0 | -0.0695 | 0.1349 |
| 0.45 | 294.0 | 0.0958 | 0.1172 |
| 0.55 | 66.0 | 0.0595 | 0.1362 |
| 0.55 | 78.0 | 0.3226 | 0.1076 |
| 0.55 | 90.0 | 0.0268 | 0.1523 |
| 0.55 | 102.0 | 0.139 | 0.2289 |
| 0.55 | 258.0 | -0.0311 | 0.2482 |
| 0.55 | 270.0 | 0.2083 | 0.1719 |
| 0.55 | 282.0 | -0.044 | 0.1423 |
| 0.55 | 294.0 | 0.1651 | 0.1608 |
| 0.65 | 78.0 | 0.1506 | 0.1519 |
| 0.65 | 90.0 | 0.1348 | 0.151 |
| 0.65 | 102.0 | 0.1075 | 0.1359 |
| 0.65 | 114.0 | -0.0807 | 0.1328 |
| 0.65 | 126.0 | -0.0263 | 0.161 |
| 0.65 | 234.0 | 0.0226 | 0.1575 |
| 0.65 | 246.0 | 0.345 | 0.1375 |
| 0.65 | 258.0 | -0.0453 | 0.1297 |
| 0.65 | 270.0 | -0.1447 | 0.113 |
| 0.65 | 282.0 | 0.0866 | 0.1351 |
| 0.75 | 90.0 | 0.0717 | 0.151 |
| 0.75 | 102.0 | 0.0563 | 0.1246 |
| 0.75 | 114.0 | -0.059 | 0.1113 |
| 0.75 | 126.0 | 0.1583 | 0.1065 |
| 0.75 | 138.0 | 0.0164 | 0.1331 |
| 0.75 | 150.0 | -0.0187 | 0.2612 |
| 0.75 | 222.0 | 0.0311 | 0.219 |
| 0.75 | 234.0 | 0.0064 | 0.1141 |
| 0.75 | 246.0 | -0.0603 | 0.1081 |
| 0.75 | 258.0 | 0.1362 | 0.0963 |
| 0.75 | 270.0 | -0.0028 | 0.1137 |
| 0.75 | 282.0 | -0.0883 | 0.1326 |
| 0.85 | 102.0 | 0.0267 | 0.126 |
| 0.85 | 114.0 | 0.0414 | 0.1095 |
| 0.85 | 126.0 | 0.0767 | 0.1112 |
| 0.85 | 138.0 | 0.0669 | 0.1126 |
| 0.85 | 150.0 | -0.0212 | 0.1184 |
| 0.85 | 162.0 | -0.0777 | 0.16 |
| 0.85 | 174.0 | 0.4771 | 0.2348 |
| 0.85 | 210.0 | -0.03 | 0.1577 |
| 0.85 | 222.0 | 0.0267 | 0.1187 |
| 0.85 | 234.0 | 0.017 | 0.1073 |
| 0.85 | 246.0 | -0.3151 | 0.0949 |
| 0.85 | 258.0 | -0.0321 | 0.0979 |
| 0.85 | 270.0 | 0.1391 | 0.1111 |
| 0.85 | 282.0 | 0.1931 | 0.1501 |
| 0.95 | 114.0 | 0.4148 | 0.2258 |
| 0.95 | 126.0 | 0.0459 | 0.1532 |
| 0.95 | 138.0 | -0.1758 | 0.1456 |
| 0.95 | 150.0 | -0.1658 | 0.2155 |
| 0.95 | 162.0 | -0.0857 | 0.2554 |
| 0.95 | 174.0 | 0.1922 | 0.2664 |
| 0.95 | 186.0 | -0.3417 | 0.2235 |
| 0.95 | 198.0 | -0.0419 | 0.198 |
| 0.95 | 210.0 | 0.0229 | 0.255 |
| 0.95 | 222.0 | -0.009 | 0.1354 |
| 0.95 | 234.0 | 0.2889 | 0.1519 |
| 0.95 | 246.0 | -0.2236 | 0.138 |
| 0.95 | 258.0 | -0.1039 | 0.145 |
| 0.95 | 270.0 | -0.1642 | 0.2495 |
Experiment comment: