Measurement E151M2567
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0057 | |
| Q2: | 0.0023 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.7727 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 42.0 | -0.18 | 0.2533 |
| 0.45 | 54.0 | -0.0187 | 0.1797 |
| 0.45 | 222.0 | -0.1484 | 0.1946 |
| 0.45 | 234.0 | -0.3751 | 0.2373 |
| 0.55 | 42.0 | 0.1348 | 0.2015 |
| 0.55 | 54.0 | 0.3477 | 0.1532 |
| 0.55 | 66.0 | -0.5116 | 0.2117 |
| 0.55 | 150.0 | -0.1283 | 0.1997 |
| 0.55 | 162.0 | -0.0552 | 0.2539 |
| 0.55 | 174.0 | 0.2681 | 0.2317 |
| 0.55 | 210.0 | -0.0653 | 0.2219 |
| 0.55 | 222.0 | 0.0956 | 0.2088 |
| 0.55 | 234.0 | 0.0673 | 0.1479 |
| 0.55 | 246.0 | -0.0086 | 0.1889 |
| 0.55 | 258.0 | 0.0948 | 0.2474 |
| 0.65 | 18.0 | 0.0018 | 0.2401 |
| 0.65 | 30.0 | -0.0164 | 0.1787 |
| 0.65 | 42.0 | -0.1123 | 0.1554 |
| 0.65 | 54.0 | -0.0159 | 0.1326 |
| 0.65 | 66.0 | 0.0031 | 0.256 |
| 0.65 | 138.0 | -0.0605 | 0.2354 |
| 0.65 | 150.0 | -0.2558 | 0.2137 |
| 0.65 | 162.0 | 0.3336 | 0.1857 |
| 0.65 | 174.0 | -0.3407 | 0.2038 |
| 0.65 | 186.0 | -0.3384 | 0.2385 |
| 0.65 | 210.0 | -0.1623 | 0.2044 |
| 0.65 | 222.0 | 0.1266 | 0.1741 |
| 0.65 | 234.0 | -0.2391 | 0.1309 |
| 0.65 | 246.0 | -0.1786 | 0.1535 |
| 0.65 | 258.0 | -0.1891 | 0.2467 |
| 0.75 | 54.0 | -0.6007 | 0.1638 |
| 0.75 | 150.0 | 0.0738 | 0.2475 |
| 0.75 | 162.0 | -0.2294 | 0.226 |
| 0.75 | 186.0 | 0.0534 | 0.2652 |
| 0.75 | 210.0 | -0.6311 | 0.1549 |
| 0.75 | 222.0 | 0.0618 | 0.1592 |
| 0.75 | 234.0 | 0.0276 | 0.1476 |
| 0.75 | 246.0 | 0.1167 | 0.1541 |
| 0.75 | 258.0 | 0.0832 | 0.2581 |
| 0.85 | 210.0 | -0.264 | 0.253 |
| 0.85 | 222.0 | -0.0682 | 0.1974 |
| 0.85 | 234.0 | -0.1322 | 0.1729 |
| 0.85 | 246.0 | 0.1405 | 0.1748 |
Experiment comment: