Measurement E151M2555
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0601 | |
| Q2: | 0.0205 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.793 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | -0.1215 | 0.1936 |
| 0.25 | 54.0 | -0.2502 | 0.2367 |
| 0.35 | 30.0 | 0.2505 | 0.1806 |
| 0.35 | 42.0 | 0.113 | 0.1718 |
| 0.35 | 54.0 | 0.1 | 0.1724 |
| 0.35 | 66.0 | -0.1163 | 0.2349 |
| 0.45 | 18.0 | -0.4219 | 0.2011 |
| 0.45 | 30.0 | -0.0179 | 0.169 |
| 0.45 | 42.0 | -0.1256 | 0.145 |
| 0.45 | 54.0 | 0.1345 | 0.1493 |
| 0.45 | 234.0 | 0.6237 | 0.2154 |
| 0.45 | 258.0 | 0.2538 | 0.2136 |
| 0.55 | 30.0 | 0.0753 | 0.1853 |
| 0.55 | 42.0 | 0.0481 | 0.1384 |
| 0.55 | 54.0 | -0.1496 | 0.1632 |
| 0.55 | 222.0 | -0.1896 | 0.1966 |
| 0.55 | 234.0 | 0.1031 | 0.1574 |
| 0.55 | 246.0 | -0.3599 | 0.1402 |
| 0.55 | 258.0 | 0.0583 | 0.1619 |
| 0.55 | 270.0 | 0.0293 | 0.234 |
| 0.65 | 54.0 | 0.1158 | 0.261 |
| 0.65 | 138.0 | 0.2123 | 0.2341 |
| 0.65 | 150.0 | 0.0364 | 0.1886 |
| 0.65 | 162.0 | -0.3925 | 0.1804 |
| 0.65 | 174.0 | -0.0207 | 0.208 |
| 0.65 | 210.0 | 0.379 | 0.244 |
| 0.65 | 222.0 | -0.1286 | 0.1652 |
| 0.65 | 234.0 | -0.166 | 0.1456 |
| 0.65 | 246.0 | -0.1266 | 0.1297 |
| 0.65 | 258.0 | 0.3505 | 0.1449 |
| 0.65 | 270.0 | -0.0356 | 0.2042 |
| 0.75 | 138.0 | -0.0017 | 0.209 |
| 0.75 | 150.0 | 0.0058 | 0.2 |
| 0.75 | 162.0 | -0.1023 | 0.1827 |
| 0.75 | 174.0 | 0.0904 | 0.223 |
| 0.75 | 186.0 | -0.2139 | 0.2311 |
| 0.75 | 210.0 | 0.3354 | 0.2302 |
| 0.75 | 222.0 | -0.2174 | 0.2116 |
| 0.75 | 234.0 | -0.1048 | 0.1347 |
| 0.75 | 246.0 | 0.0506 | 0.1418 |
| 0.75 | 258.0 | -0.0857 | 0.1544 |
| 0.75 | 270.0 | 0.3311 | 0.1745 |
| 0.85 | 138.0 | 0.147 | 0.2378 |
| 0.85 | 150.0 | 0.2483 | 0.2251 |
| 0.85 | 162.0 | 0.2279 | 0.2362 |
| 0.85 | 222.0 | -0.4119 | 0.1587 |
| 0.85 | 234.0 | 0.0959 | 0.1521 |
| 0.85 | 246.0 | -0.2078 | 0.1278 |
| 0.85 | 258.0 | 0.2497 | 0.1549 |
| 0.85 | 270.0 | 0.0933 | 0.1845 |
| 0.95 | 234.0 | -0.185 | 0.2356 |
| 0.95 | 246.0 | -0.2658 | 0.254 |
Experiment comment: