Measurement E151M2594
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0278 | |
| Q2: | 0.0143 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.7112 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | 0.0286 | 0.2407 |
| 0.25 | 54.0 | -0.1103 | 0.2461 |
| 0.35 | 30.0 | 0.3976 | 0.2235 |
| 0.35 | 42.0 | 0.3329 | 0.1754 |
| 0.35 | 54.0 | 0.1166 | 0.165 |
| 0.35 | 66.0 | -0.0869 | 0.2157 |
| 0.45 | 18.0 | 0.0663 | 0.2524 |
| 0.45 | 30.0 | 0.1919 | 0.1941 |
| 0.45 | 42.0 | -0.2071 | 0.1569 |
| 0.45 | 54.0 | 0.2904 | 0.1323 |
| 0.45 | 66.0 | -0.1795 | 0.215 |
| 0.45 | 210.0 | -0.1916 | 0.2221 |
| 0.45 | 222.0 | 0.0877 | 0.2385 |
| 0.45 | 234.0 | -0.2265 | 0.184 |
| 0.45 | 246.0 | 0.0376 | 0.24 |
| 0.55 | 30.0 | -0.1104 | 0.177 |
| 0.55 | 42.0 | 0.0731 | 0.161 |
| 0.55 | 54.0 | 0.1823 | 0.1356 |
| 0.55 | 138.0 | 0.0674 | 0.1997 |
| 0.55 | 150.0 | 0.0312 | 0.1966 |
| 0.55 | 162.0 | -0.0069 | 0.2104 |
| 0.55 | 174.0 | 0.119 | 0.2207 |
| 0.55 | 222.0 | 0.0083 | 0.1762 |
| 0.55 | 234.0 | -0.0298 | 0.1651 |
| 0.55 | 246.0 | 0.0916 | 0.1909 |
| 0.55 | 258.0 | -0.032 | 0.2622 |
| 0.65 | 54.0 | 0.2358 | 0.198 |
| 0.65 | 138.0 | -0.0506 | 0.2278 |
| 0.65 | 150.0 | -0.057 | 0.2088 |
| 0.65 | 162.0 | 0.0343 | 0.2205 |
| 0.65 | 174.0 | 0.0025 | 0.2015 |
| 0.65 | 210.0 | -0.295 | 0.2456 |
| 0.65 | 222.0 | -0.1154 | 0.1725 |
| 0.65 | 234.0 | 0.1266 | 0.1341 |
| 0.65 | 246.0 | 0.2185 | 0.1294 |
| 0.65 | 258.0 | -0.0369 | 0.1861 |
| 0.75 | 150.0 | -0.0792 | 0.2295 |
| 0.75 | 162.0 | -0.0569 | 0.205 |
| 0.75 | 210.0 | 0.0058 | 0.2578 |
| 0.75 | 222.0 | -0.1151 | 0.1775 |
| 0.75 | 234.0 | -0.0798 | 0.1683 |
| 0.75 | 246.0 | -0.1295 | 0.1492 |
| 0.75 | 258.0 | 0.0576 | 0.1893 |
| 0.85 | 222.0 | -0.1977 | 0.208 |
| 0.85 | 234.0 | 0.0954 | 0.1637 |
| 0.85 | 246.0 | -0.0811 | 0.1606 |
| 0.85 | 258.0 | 0.0091 | 0.2072 |
| 0.95 | 234.0 | 0.3905 | 0.235 |
Experiment comment: