Measurement E151M2554
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0509 | |
| Q2: | 0.0171 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.7967 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | 0.4029 | 0.1848 |
| 0.25 | 54.0 | 0.0282 | 0.2442 |
| 0.35 | 30.0 | -0.2131 | 0.2082 |
| 0.35 | 42.0 | 0.0743 | 0.1617 |
| 0.35 | 54.0 | 0.3103 | 0.1679 |
| 0.35 | 66.0 | 0.0907 | 0.2526 |
| 0.45 | 18.0 | 0.1478 | 0.2401 |
| 0.45 | 30.0 | -0.0156 | 0.1783 |
| 0.45 | 42.0 | 0.0115 | 0.1518 |
| 0.45 | 54.0 | 0.2983 | 0.1642 |
| 0.45 | 66.0 | -0.3443 | 0.191 |
| 0.45 | 234.0 | -0.1553 | 0.2395 |
| 0.45 | 246.0 | 0.0985 | 0.2081 |
| 0.55 | 18.0 | 0.1096 | 0.2051 |
| 0.55 | 30.0 | 0.1001 | 0.1584 |
| 0.55 | 42.0 | -0.1264 | 0.1266 |
| 0.55 | 54.0 | -0.228 | 0.1456 |
| 0.55 | 66.0 | -0.2381 | 0.2622 |
| 0.55 | 150.0 | 0.2539 | 0.2577 |
| 0.55 | 162.0 | 0.2921 | 0.2584 |
| 0.55 | 222.0 | -0.095 | 0.2026 |
| 0.55 | 234.0 | 0.0669 | 0.1425 |
| 0.55 | 246.0 | 0.017 | 0.1534 |
| 0.55 | 258.0 | 0.1701 | 0.1722 |
| 0.55 | 270.0 | 0.2434 | 0.2102 |
| 0.65 | 42.0 | -0.4205 | 0.2406 |
| 0.65 | 54.0 | 0.4457 | 0.1843 |
| 0.65 | 138.0 | 0.1388 | 0.2247 |
| 0.65 | 150.0 | 0.0199 | 0.1796 |
| 0.65 | 162.0 | -0.0854 | 0.1907 |
| 0.65 | 174.0 | -0.3016 | 0.2045 |
| 0.65 | 210.0 | 0.1288 | 0.2076 |
| 0.65 | 222.0 | -0.0094 | 0.1574 |
| 0.65 | 234.0 | -0.0459 | 0.1454 |
| 0.65 | 246.0 | 0.0612 | 0.1218 |
| 0.65 | 258.0 | -0.1181 | 0.1403 |
| 0.65 | 270.0 | 0.2425 | 0.197 |
| 0.75 | 138.0 | 0.0914 | 0.1878 |
| 0.75 | 150.0 | -0.1081 | 0.1714 |
| 0.75 | 162.0 | -0.2129 | 0.1788 |
| 0.75 | 174.0 | -0.3888 | 0.2394 |
| 0.75 | 186.0 | -0.0866 | 0.2246 |
| 0.75 | 210.0 | 0.1937 | 0.2104 |
| 0.75 | 222.0 | -0.1543 | 0.175 |
| 0.75 | 234.0 | -0.1295 | 0.1457 |
| 0.75 | 246.0 | 0.2098 | 0.1339 |
| 0.75 | 258.0 | -0.201 | 0.1459 |
| 0.75 | 270.0 | 0.0651 | 0.2168 |
| 0.85 | 126.0 | -0.1116 | 0.2508 |
| 0.85 | 138.0 | 0.4476 | 0.2102 |
| 0.85 | 150.0 | 0.1103 | 0.2586 |
| 0.85 | 174.0 | 0.0251 | 0.2547 |
| 0.85 | 222.0 | -0.186 | 0.1551 |
| 0.85 | 234.0 | -0.0133 | 0.1424 |
| 0.85 | 246.0 | -0.1917 | 0.1399 |
| 0.85 | 258.0 | -0.0643 | 0.1585 |
| 0.85 | 270.0 | -0.17 | 0.2051 |
Experiment comment: