Measurement E151M2517
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2028 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.8313 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 42.0 | -0.2666 | 0.2329 |
| 0.25 | 42.0 | 0.2923 | 0.2352 |
| 0.35 | 30.0 | -0.118 | 0.2113 |
| 0.35 | 42.0 | -0.2883 | 0.2216 |
| 0.45 | 42.0 | 0.0932 | 0.2308 |
| 0.45 | 54.0 | 0.6678 | 0.1808 |
| 0.45 | 270.0 | -0.0185 | 0.2235 |
| 0.45 | 282.0 | -0.0056 | 0.2573 |
| 0.55 | 246.0 | -0.443 | 0.1998 |
| 0.55 | 258.0 | 0.052 | 0.1699 |
| 0.55 | 270.0 | -0.0773 | 0.1556 |
| 0.55 | 282.0 | -0.094 | 0.2009 |
| 0.65 | 234.0 | -0.2931 | 0.1676 |
| 0.65 | 246.0 | -0.0188 | 0.1464 |
| 0.65 | 258.0 | 0.0479 | 0.1277 |
| 0.65 | 270.0 | -0.0901 | 0.1411 |
| 0.65 | 282.0 | 0.0967 | 0.181 |
| 0.75 | 126.0 | -0.0687 | 0.2092 |
| 0.75 | 138.0 | 0.1702 | 0.178 |
| 0.75 | 150.0 | -0.1272 | 0.1894 |
| 0.75 | 162.0 | 0.2007 | 0.1968 |
| 0.75 | 174.0 | 0.2242 | 0.183 |
| 0.75 | 186.0 | -0.1652 | 0.2195 |
| 0.75 | 198.0 | 0.0531 | 0.2504 |
| 0.75 | 222.0 | -0.0667 | 0.2185 |
| 0.75 | 234.0 | 0.1063 | 0.1643 |
| 0.75 | 246.0 | -0.0248 | 0.1328 |
| 0.75 | 258.0 | 0.0113 | 0.1319 |
| 0.75 | 270.0 | -0.2703 | 0.1265 |
| 0.75 | 282.0 | -0.238 | 0.1827 |
| 0.75 | 294.0 | 0.1937 | 0.2384 |
| 0.85 | 126.0 | 0.1739 | 0.1837 |
| 0.85 | 138.0 | 0.0853 | 0.1813 |
| 0.85 | 150.0 | -0.0493 | 0.1674 |
| 0.85 | 162.0 | -0.1343 | 0.1635 |
| 0.85 | 174.0 | 0.0244 | 0.18 |
| 0.85 | 186.0 | -0.1234 | 0.1833 |
| 0.85 | 198.0 | 0.3153 | 0.2207 |
| 0.85 | 222.0 | -0.1974 | 0.2584 |
| 0.85 | 234.0 | -0.2386 | 0.1995 |
| 0.85 | 246.0 | -0.2511 | 0.1299 |
| 0.85 | 258.0 | -0.1609 | 0.1248 |
| 0.85 | 270.0 | 0.0581 | 0.1408 |
| 0.85 | 282.0 | -0.0373 | 0.1657 |
| 0.95 | 114.0 | -0.4455 | 0.2316 |
| 0.95 | 126.0 | 0.0969 | 0.2448 |
| 0.95 | 138.0 | -0.0303 | 0.2267 |
| 0.95 | 150.0 | 0.0737 | 0.1996 |
| 0.95 | 162.0 | 0.3819 | 0.232 |
| 0.95 | 174.0 | 0.0877 | 0.245 |
| 0.95 | 258.0 | -0.446 | 0.1876 |
| 0.95 | 270.0 | -0.7897 | 0.169 |
Experiment comment: