Measurement E151M2469
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1257 | |
| Q2: | 0.0171 GeV2 | |
| W: | 1235.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.9121 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | 0.1384 | 0.1961 |
| 0.25 | 54.0 | -0.1603 | 0.2157 |
| 0.35 | 30.0 | 0.2068 | 0.2272 |
| 0.35 | 42.0 | 0.2631 | 0.1531 |
| 0.35 | 54.0 | 0.038 | 0.1778 |
| 0.35 | 66.0 | -0.2554 | 0.2621 |
| 0.45 | 42.0 | -0.218 | 0.1653 |
| 0.45 | 54.0 | 0.0794 | 0.1614 |
| 0.45 | 258.0 | 0.04 | 0.2112 |
| 0.45 | 270.0 | 0.1214 | 0.1924 |
| 0.45 | 282.0 | -0.2867 | 0.1978 |
| 0.55 | 54.0 | 0.1711 | 0.2298 |
| 0.55 | 234.0 | -0.0402 | 0.2588 |
| 0.55 | 246.0 | 0.1974 | 0.1563 |
| 0.55 | 258.0 | 0.1417 | 0.1285 |
| 0.55 | 270.0 | 0.2973 | 0.1387 |
| 0.55 | 282.0 | 0.0963 | 0.1661 |
| 0.65 | 150.0 | -0.322 | 0.2239 |
| 0.65 | 162.0 | 0.0249 | 0.2175 |
| 0.65 | 174.0 | 0.1482 | 0.2548 |
| 0.65 | 198.0 | -0.036 | 0.2444 |
| 0.65 | 222.0 | 0.2427 | 0.2333 |
| 0.65 | 234.0 | -0.308 | 0.1568 |
| 0.65 | 246.0 | 0.0732 | 0.1354 |
| 0.65 | 258.0 | 0.0903 | 0.1015 |
| 0.65 | 270.0 | -0.0391 | 0.1074 |
| 0.65 | 282.0 | 0.0106 | 0.1668 |
| 0.75 | 138.0 | 0.0632 | 0.2204 |
| 0.75 | 150.0 | 0.2323 | 0.1729 |
| 0.75 | 162.0 | 0.1668 | 0.1666 |
| 0.75 | 174.0 | 0.0851 | 0.1479 |
| 0.75 | 186.0 | 0.1936 | 0.1571 |
| 0.75 | 198.0 | -0.1771 | 0.1854 |
| 0.75 | 210.0 | 0.0121 | 0.2346 |
| 0.75 | 222.0 | 0.0392 | 0.1987 |
| 0.75 | 234.0 | 0.172 | 0.1447 |
| 0.75 | 246.0 | -0.0988 | 0.1233 |
| 0.75 | 258.0 | -0.135 | 0.1252 |
| 0.75 | 270.0 | -0.0574 | 0.1352 |
| 0.75 | 282.0 | -0.1594 | 0.2294 |
| 0.85 | 138.0 | 0.4904 | 0.2179 |
| 0.85 | 150.0 | -0.248 | 0.1991 |
| 0.85 | 162.0 | -0.1079 | 0.1948 |
| 0.85 | 174.0 | -0.0635 | 0.1481 |
| 0.85 | 186.0 | -0.2725 | 0.1771 |
| 0.85 | 198.0 | 0.3487 | 0.1653 |
| 0.85 | 210.0 | 0.1856 | 0.24 |
| 0.85 | 222.0 | -0.1456 | 0.254 |
| 0.85 | 234.0 | 0.307 | 0.1734 |
| 0.85 | 246.0 | -0.0815 | 0.1668 |
| 0.85 | 258.0 | 0.0018 | 0.1904 |
| 0.85 | 270.0 | 0.0293 | 0.2535 |
Experiment comment: