Measurement E151M2747
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2989 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.8156 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 258.0 | 0.1795 | 0.2041 |
| 0.55 | 270.0 | -0.0602 | 0.1957 |
| 0.65 | 114.0 | -0.235 | 0.4428 |
| 0.65 | 126.0 | -0.0834 | 0.2072 |
| 0.65 | 234.0 | 0.1753 | 0.2163 |
| 0.65 | 246.0 | -0.0972 | 0.1791 |
| 0.65 | 258.0 | 0.1151 | 0.1684 |
| 0.65 | 270.0 | 0.0304 | 0.1849 |
| 0.75 | 102.0 | -0.1871 | 0.1925 |
| 0.75 | 114.0 | 0.1629 | 0.16 |
| 0.75 | 126.0 | -0.0197 | 0.1651 |
| 0.75 | 138.0 | -0.0483 | 0.2977 |
| 0.75 | 150.0 | 0.4191 | 0.1882 |
| 0.75 | 222.0 | -0.184 | 0.1902 |
| 0.75 | 234.0 | -0.0593 | 0.1593 |
| 0.75 | 246.0 | -0.1581 | 0.1471 |
| 0.75 | 258.0 | -0.0435 | 0.149 |
| 0.75 | 270.0 | -0.0404 | 0.1608 |
| 0.75 | 282.0 | -0.0082 | 0.192 |
| 0.85 | 114.0 | 0.0509 | 0.1573 |
| 0.85 | 126.0 | 0.093 | 0.1558 |
| 0.85 | 138.0 | 0.2394 | 0.1854 |
| 0.85 | 150.0 | 0.1542 | 0.1814 |
| 0.85 | 162.0 | 0.0119 | 0.2498 |
| 0.85 | 222.0 | 0.184 | 0.2025 |
| 0.85 | 234.0 | 0.2426 | 0.1933 |
| 0.85 | 246.0 | -0.065 | 0.1739 |
| 0.85 | 258.0 | 0.1595 | 0.1638 |
| 0.85 | 270.0 | -0.1357 | 0.1507 |
| 0.85 | 282.0 | 0.0932 | 0.154 |
| 0.85 | 294.0 | 0.3539 | 0.1417 |
| 0.95 | 78.0 | 0.1555 | 0.1921 |
| 0.95 | 90.0 | 0.6144 | 0.1651 |
| 0.95 | 102.0 | 0.181 | 0.1937 |
| 0.95 | 138.0 | 0.3333 | 0.2383 |
| 0.95 | 150.0 | 0.695 | 0.2227 |
| 0.95 | 234.0 | 0.0487 | 0.2338 |
| 0.95 | 246.0 | 0.0567 | 0.1841 |
| 0.95 | 258.0 | -0.0005 | 0.1642 |
| 0.95 | 270.0 | -0.4998 | 0.1387 |
| 0.95 | 282.0 | -0.0821 | 0.1775 |
| 0.95 | 294.0 | -0.3356 | 0.2557 |
Experiment comment: