Measurement E151M2597
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0458 | |
| Q2: | 0.0245 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.6987 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | -0.3715 | 0.1971 |
| 0.25 | 54.0 | 0.1797 | 0.2374 |
| 0.35 | 30.0 | 0.0025 | 0.2127 |
| 0.35 | 42.0 | 0.1453 | 0.1793 |
| 0.35 | 54.0 | 0.1763 | 0.1655 |
| 0.45 | 18.0 | -0.0633 | 0.2466 |
| 0.45 | 30.0 | 0.1924 | 0.2117 |
| 0.45 | 42.0 | -0.0888 | 0.1521 |
| 0.45 | 54.0 | -0.119 | 0.1597 |
| 0.45 | 222.0 | 0.0613 | 0.2152 |
| 0.45 | 234.0 | 0.1242 | 0.1874 |
| 0.45 | 246.0 | -0.0965 | 0.2478 |
| 0.55 | 30.0 | 0.0236 | 0.2346 |
| 0.55 | 42.0 | -0.054 | 0.1705 |
| 0.55 | 54.0 | 0.0138 | 0.1536 |
| 0.55 | 138.0 | -0.0943 | 0.2394 |
| 0.55 | 150.0 | 0.2825 | 0.2117 |
| 0.55 | 210.0 | 0.0491 | 0.2419 |
| 0.55 | 222.0 | 0.0401 | 0.1856 |
| 0.55 | 234.0 | 0.011 | 0.1549 |
| 0.55 | 246.0 | -0.0426 | 0.163 |
| 0.55 | 258.0 | -0.1752 | 0.1528 |
| 0.65 | 138.0 | 0.1448 | 0.2039 |
| 0.65 | 150.0 | 0.2311 | 0.1962 |
| 0.65 | 162.0 | -0.1161 | 0.2149 |
| 0.65 | 174.0 | 0.4521 | 0.2162 |
| 0.65 | 210.0 | 0.0696 | 0.2367 |
| 0.65 | 222.0 | -0.2001 | 0.1745 |
| 0.65 | 234.0 | 0.017 | 0.1512 |
| 0.65 | 246.0 | 0.1934 | 0.1377 |
| 0.65 | 258.0 | 0.0752 | 0.1462 |
| 0.75 | 150.0 | 0.0164 | 0.204 |
| 0.75 | 162.0 | -0.0479 | 0.197 |
| 0.75 | 174.0 | 0.1899 | 0.2068 |
| 0.75 | 210.0 | -0.2402 | 0.2422 |
| 0.75 | 222.0 | -0.0405 | 0.1821 |
| 0.75 | 234.0 | -0.0859 | 0.1657 |
| 0.75 | 246.0 | -0.2133 | 0.1265 |
| 0.75 | 258.0 | 0.2425 | 0.1519 |
| 0.75 | 270.0 | 0.1821 | 0.2384 |
| 0.85 | 222.0 | 0.0087 | 0.1891 |
| 0.85 | 234.0 | -0.1651 | 0.1661 |
| 0.85 | 246.0 | 0.0535 | 0.1392 |
| 0.85 | 258.0 | -0.0696 | 0.1531 |
Experiment comment: