Measurement E151M2513
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1094 | |
| Q2: | 0.0245 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.8564 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | 0.2353 | 0.2019 |
| 0.25 | 54.0 | 0.2267 | 0.1595 |
| 0.35 | 30.0 | 0.0935 | 0.1963 |
| 0.35 | 42.0 | 0.0645 | 0.182 |
| 0.35 | 54.0 | -0.1645 | 0.1899 |
| 0.45 | 30.0 | -0.1856 | 0.1725 |
| 0.45 | 42.0 | 0.0953 | 0.1416 |
| 0.45 | 54.0 | -0.0688 | 0.2195 |
| 0.45 | 258.0 | -0.0314 | 0.2437 |
| 0.45 | 270.0 | -0.0276 | 0.2299 |
| 0.55 | 42.0 | 0.157 | 0.1787 |
| 0.55 | 54.0 | -0.3025 | 0.1902 |
| 0.55 | 234.0 | -0.2159 | 0.1893 |
| 0.55 | 246.0 | -0.1585 | 0.1507 |
| 0.55 | 258.0 | 0.002 | 0.1353 |
| 0.55 | 270.0 | 0.0214 | 0.1735 |
| 0.55 | 282.0 | -0.0737 | 0.2472 |
| 0.65 | 138.0 | 0.12 | 0.1975 |
| 0.65 | 150.0 | 0.2874 | 0.1826 |
| 0.65 | 162.0 | -0.2078 | 0.2189 |
| 0.65 | 210.0 | 0.1291 | 0.2471 |
| 0.65 | 222.0 | 0.0804 | 0.2009 |
| 0.65 | 234.0 | -0.1319 | 0.1554 |
| 0.65 | 246.0 | -0.179 | 0.1272 |
| 0.65 | 258.0 | -0.1244 | 0.1154 |
| 0.65 | 270.0 | 0.085 | 0.1368 |
| 0.65 | 282.0 | 0.0749 | 0.2379 |
| 0.75 | 138.0 | 0.2809 | 0.168 |
| 0.75 | 150.0 | 0.1278 | 0.1661 |
| 0.75 | 162.0 | 0.1256 | 0.1706 |
| 0.75 | 174.0 | 0.0431 | 0.1865 |
| 0.75 | 186.0 | 0.0241 | 0.197 |
| 0.75 | 198.0 | -0.3099 | 0.2238 |
| 0.75 | 210.0 | 0.104 | 0.2296 |
| 0.75 | 222.0 | -0.2089 | 0.1931 |
| 0.75 | 234.0 | 0.0087 | 0.1402 |
| 0.75 | 246.0 | 0.0232 | 0.127 |
| 0.75 | 258.0 | -0.064 | 0.1235 |
| 0.75 | 270.0 | -0.122 | 0.1424 |
| 0.75 | 282.0 | 0.0726 | 0.2274 |
| 0.85 | 126.0 | -0.1327 | 0.2487 |
| 0.85 | 138.0 | -0.199 | 0.206 |
| 0.85 | 150.0 | -0.1459 | 0.1782 |
| 0.85 | 162.0 | -0.0457 | 0.2008 |
| 0.85 | 174.0 | -0.0171 | 0.1839 |
| 0.85 | 186.0 | 0.4771 | 0.2255 |
| 0.85 | 210.0 | 0.0357 | 0.2564 |
| 0.85 | 222.0 | -0.0782 | 0.229 |
| 0.85 | 234.0 | -0.0233 | 0.1521 |
| 0.85 | 246.0 | -0.0884 | 0.1308 |
| 0.85 | 258.0 | -0.0659 | 0.1238 |
| 0.85 | 270.0 | -0.2805 | 0.1426 |
| 0.85 | 282.0 | -0.1214 | 0.2344 |
Experiment comment: