Measurement E151M2563
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1982 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.7208 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | 0.4406 | 0.1961 |
| 0.45 | 270.0 | -0.4321 | 0.2042 |
| 0.55 | 234.0 | 0.0961 | 0.256 |
| 0.55 | 246.0 | -0.1982 | 0.1968 |
| 0.55 | 258.0 | -0.4502 | 0.2144 |
| 0.55 | 270.0 | 0.0204 | 0.2314 |
| 0.65 | 138.0 | -0.1072 | 0.252 |
| 0.65 | 222.0 | -0.106 | 0.253 |
| 0.65 | 234.0 | 0.0523 | 0.2023 |
| 0.65 | 246.0 | 0.056 | 0.1877 |
| 0.65 | 258.0 | -0.045 | 0.1544 |
| 0.65 | 270.0 | -0.0265 | 0.1956 |
| 0.75 | 126.0 | 0.3157 | 0.2195 |
| 0.75 | 138.0 | 0.2513 | 0.2079 |
| 0.75 | 150.0 | 0.0542 | 0.2111 |
| 0.75 | 162.0 | 0.409 | 0.1997 |
| 0.75 | 222.0 | -0.2748 | 0.242 |
| 0.75 | 234.0 | 0.1571 | 0.1734 |
| 0.75 | 246.0 | 0.1479 | 0.1521 |
| 0.75 | 258.0 | -0.0025 | 0.1848 |
| 0.75 | 270.0 | -0.1102 | 0.1944 |
| 0.75 | 282.0 | -0.115 | 0.1988 |
| 0.85 | 126.0 | 0.1674 | 0.2048 |
| 0.85 | 138.0 | 0.3922 | 0.1788 |
| 0.85 | 150.0 | -0.1634 | 0.2151 |
| 0.85 | 162.0 | 0.1547 | 0.1989 |
| 0.85 | 186.0 | 0.1615 | 0.2202 |
| 0.85 | 198.0 | -0.5288 | 0.2117 |
| 0.85 | 234.0 | -0.2842 | 0.1989 |
| 0.85 | 246.0 | 0.1154 | 0.1763 |
| 0.85 | 258.0 | 0.0593 | 0.1437 |
| 0.85 | 270.0 | -0.1263 | 0.1595 |
| 0.85 | 282.0 | -0.1537 | 0.1718 |
| 0.95 | 102.0 | -0.0082 | 0.2291 |
| 0.95 | 114.0 | 0.2714 | 0.2109 |
| 0.95 | 126.0 | 0.1188 | 0.2405 |
| 0.95 | 138.0 | 0.1875 | 0.2378 |
| 0.95 | 150.0 | 0.1346 | 0.2484 |
| 0.95 | 174.0 | 0.0328 | 0.2601 |
| 0.95 | 246.0 | 0.2628 | 0.2434 |
| 0.95 | 270.0 | -0.064 | 0.2517 |
Experiment comment: