Measurement E151M2561
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1518 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.7494 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 42.0 | -0.0638 | 0.2498 |
| 0.35 | 30.0 | -0.0342 | 0.2447 |
| 0.35 | 42.0 | 0.0332 | 0.203 |
| 0.45 | 42.0 | 0.169 | 0.2555 |
| 0.55 | 234.0 | -0.7122 | 0.1682 |
| 0.55 | 246.0 | 0.0581 | 0.1842 |
| 0.55 | 258.0 | -0.0751 | 0.1635 |
| 0.55 | 270.0 | -0.2142 | 0.205 |
| 0.65 | 138.0 | 0.2185 | 0.1822 |
| 0.65 | 150.0 | 0.0845 | 0.2183 |
| 0.65 | 162.0 | -0.3628 | 0.2057 |
| 0.65 | 222.0 | -0.1258 | 0.21 |
| 0.65 | 234.0 | -0.1158 | 0.1524 |
| 0.65 | 246.0 | -0.272 | 0.1562 |
| 0.65 | 258.0 | -0.1257 | 0.1446 |
| 0.65 | 270.0 | 0.2669 | 0.1826 |
| 0.75 | 126.0 | 0.3995 | 0.2303 |
| 0.75 | 138.0 | 0.1015 | 0.1933 |
| 0.75 | 150.0 | 0.1315 | 0.1849 |
| 0.75 | 162.0 | -0.2892 | 0.226 |
| 0.75 | 222.0 | 0.0312 | 0.202 |
| 0.75 | 234.0 | -0.0706 | 0.1655 |
| 0.75 | 246.0 | -0.2718 | 0.1593 |
| 0.75 | 258.0 | 0.0099 | 0.1368 |
| 0.75 | 270.0 | -0.2113 | 0.1728 |
| 0.85 | 126.0 | 0.1078 | 0.2368 |
| 0.85 | 138.0 | 0.4551 | 0.1883 |
| 0.85 | 150.0 | 0.0502 | 0.2017 |
| 0.85 | 162.0 | 0.135 | 0.2135 |
| 0.85 | 174.0 | 0.0499 | 0.2061 |
| 0.85 | 222.0 | 0.0997 | 0.2403 |
| 0.85 | 234.0 | -0.1006 | 0.2166 |
| 0.85 | 246.0 | -0.2609 | 0.1474 |
| 0.85 | 258.0 | -0.0138 | 0.14 |
| 0.85 | 270.0 | -0.2879 | 0.1319 |
| 0.85 | 282.0 | -0.1039 | 0.2272 |
| 0.95 | 114.0 | 0.0485 | 0.2018 |
| 0.95 | 126.0 | 0.1621 | 0.1998 |
| 0.95 | 138.0 | 0.027 | 0.2383 |
| 0.95 | 234.0 | 0.006 | 0.2536 |
| 0.95 | 258.0 | -0.0751 | 0.2388 |
| 0.95 | 270.0 | -0.1247 | 0.2135 |
Experiment comment: