Measurement E151M2577
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.057 | |
| Q2: | 0.0245 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.7466 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | -0.3133 | 0.1993 |
| 0.25 | 54.0 | 0.2528 | 0.2093 |
| 0.35 | 42.0 | 0.1198 | 0.1653 |
| 0.35 | 54.0 | -0.0161 | 0.1748 |
| 0.45 | 18.0 | -0.0433 | 0.2299 |
| 0.45 | 30.0 | 0.3132 | 0.1666 |
| 0.45 | 42.0 | 0.0207 | 0.1375 |
| 0.45 | 54.0 | 0.1427 | 0.1818 |
| 0.45 | 234.0 | -0.0539 | 0.2292 |
| 0.45 | 246.0 | 0.1681 | 0.2185 |
| 0.55 | 30.0 | 0.1563 | 0.189 |
| 0.55 | 42.0 | 0.1554 | 0.1512 |
| 0.55 | 54.0 | 0.1565 | 0.1697 |
| 0.55 | 138.0 | -0.6284 | 0.1958 |
| 0.55 | 150.0 | 0.0832 | 0.2281 |
| 0.55 | 162.0 | -0.0662 | 0.2515 |
| 0.55 | 222.0 | -0.0218 | 0.1962 |
| 0.55 | 234.0 | -0.0564 | 0.1691 |
| 0.55 | 246.0 | 0.045 | 0.1665 |
| 0.55 | 258.0 | 0.177 | 0.1731 |
| 0.55 | 270.0 | -0.2676 | 0.2565 |
| 0.65 | 138.0 | 0.244 | 0.1953 |
| 0.65 | 150.0 | 0.072 | 0.1686 |
| 0.65 | 162.0 | -0.3084 | 0.2064 |
| 0.65 | 174.0 | -0.0199 | 0.235 |
| 0.65 | 210.0 | -0.2977 | 0.2322 |
| 0.65 | 222.0 | 0.0996 | 0.1569 |
| 0.65 | 234.0 | 0.1109 | 0.1567 |
| 0.65 | 246.0 | 0.3401 | 0.1234 |
| 0.65 | 258.0 | 0.0043 | 0.1426 |
| 0.65 | 270.0 | 0.1293 | 0.2275 |
| 0.75 | 138.0 | 0.2734 | 0.192 |
| 0.75 | 150.0 | -0.0943 | 0.1983 |
| 0.75 | 162.0 | 0.0164 | 0.2165 |
| 0.75 | 210.0 | 0.6593 | 0.1958 |
| 0.75 | 222.0 | -0.0799 | 0.1955 |
| 0.75 | 234.0 | -0.1279 | 0.1524 |
| 0.75 | 246.0 | -0.1435 | 0.1405 |
| 0.75 | 258.0 | -0.2275 | 0.1387 |
| 0.75 | 270.0 | 0.211 | 0.2108 |
| 0.85 | 150.0 | -0.2093 | 0.2422 |
| 0.85 | 222.0 | 0.179 | 0.1628 |
| 0.85 | 234.0 | -0.3345 | 0.1425 |
| 0.85 | 246.0 | -0.2642 | 0.135 |
| 0.85 | 258.0 | -0.022 | 0.1605 |
| 0.85 | 270.0 | 0.049 | 0.2155 |
| 0.95 | 246.0 | 0.1335 | 0.2081 |
Experiment comment: