Measurement E151M3306
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.109 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.8921 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 78.0 | -0.1493 | 0.2357 |
| 0.25 | 282.0 | 0.0619 | 0.1742 |
| 0.25 | 294.0 | -0.1175 | 0.1709 |
| 0.35 | 66.0 | 0.0384 | 0.1613 |
| 0.35 | 78.0 | 0.1009 | 0.1579 |
| 0.35 | 270.0 | -0.1129 | 0.2054 |
| 0.35 | 282.0 | 0.1245 | 0.1395 |
| 0.45 | 66.0 | 0.1235 | 0.264 |
| 0.45 | 78.0 | 0.1199 | 0.2139 |
| 0.45 | 102.0 | -0.3393 | 0.2528 |
| 0.45 | 258.0 | 0.0304 | 0.2544 |
| 0.45 | 270.0 | 0.1159 | 0.2486 |
| 0.45 | 282.0 | -0.2349 | 0.1803 |
| 0.45 | 294.0 | 0.2501 | 0.2382 |
| 0.55 | 102.0 | -0.6069 | 0.2192 |
| 0.55 | 114.0 | -0.0163 | 0.201 |
| 0.55 | 126.0 | -0.054 | 0.2274 |
| 0.55 | 138.0 | 0.0654 | 0.2403 |
| 0.55 | 258.0 | -0.316 | 0.2435 |
| 0.55 | 270.0 | -0.1957 | 0.2026 |
| 0.55 | 282.0 | -0.0822 | 0.2135 |
| 0.65 | 66.0 | -0.1557 | 0.229 |
| 0.65 | 78.0 | -0.3672 | 0.2325 |
| 0.65 | 102.0 | -0.0882 | 0.2553 |
| 0.65 | 114.0 | -0.204 | 0.2484 |
| 0.65 | 126.0 | 0.2736 | 0.185 |
| 0.65 | 138.0 | 0.2008 | 0.2409 |
| 0.65 | 210.0 | -0.1056 | 0.2081 |
| 0.65 | 222.0 | -0.1011 | 0.1831 |
| 0.65 | 234.0 | 0.0241 | 0.1997 |
| 0.65 | 246.0 | -0.0536 | 0.2482 |
| 0.65 | 258.0 | -0.0212 | 0.2433 |
| 0.65 | 270.0 | -0.1768 | 0.2461 |
| 0.65 | 294.0 | -0.2284 | 0.2603 |
| 0.75 | 66.0 | -0.0058 | 0.2687 |
| 0.75 | 114.0 | 0.1383 | 0.1856 |
| 0.75 | 126.0 | -0.2389 | 0.1998 |
| 0.75 | 138.0 | -0.162 | 0.1906 |
| 0.75 | 150.0 | 0.5515 | 0.1976 |
| 0.75 | 198.0 | -0.2153 | 0.2175 |
| 0.75 | 210.0 | 0.1253 | 0.2378 |
| 0.75 | 222.0 | 0.2876 | 0.1911 |
| 0.75 | 234.0 | -0.198 | 0.1804 |
| 0.75 | 246.0 | 0.0617 | 0.1926 |
| 0.75 | 282.0 | -0.2517 | 0.1858 |
| 0.75 | 294.0 | -0.1438 | 0.2001 |
| 0.85 | 90.0 | -0.239 | 0.2008 |
| 0.85 | 102.0 | -0.2064 | 0.221 |
| 0.85 | 126.0 | 0.1841 | 0.2658 |
| 0.85 | 210.0 | -0.0035 | 0.1999 |
| 0.85 | 222.0 | 0.329 | 0.1744 |
| 0.85 | 234.0 | -0.0713 | 0.2159 |
| 0.85 | 246.0 | -0.0115 | 0.215 |
| 0.85 | 258.0 | -0.1619 | 0.2227 |
| 0.95 | 234.0 | -0.0153 | 0.2617 |
| 0.95 | 246.0 | 0.2798 | 0.2317 |
| 0.35 | 294.0 | -0.003 | 0.2637 |
| 0.45 | 78.0 | -0.1218 | 0.2257 |
| 0.45 | 270.0 | -0.049 | 0.2551 |
| 0.45 | 282.0 | 0.0976 | 0.2033 |
| 0.45 | 294.0 | 0.2106 | 0.2332 |
| 0.55 | 78.0 | -0.1076 | 0.2453 |
| 0.55 | 90.0 | 0.1775 | 0.2515 |
| 0.55 | 114.0 | 0.345 | 0.2044 |
| 0.55 | 126.0 | -0.1837 | 0.2143 |
| 0.55 | 138.0 | -0.422 | 0.2327 |
| 0.55 | 222.0 | 0.4232 | 0.2329 |
| 0.55 | 270.0 | 0.0129 | 0.186 |
| 0.55 | 282.0 | -0.098 | 0.2022 |
| 0.65 | 114.0 | -0.0809 | 0.1989 |
| 0.65 | 126.0 | -0.0013 | 0.2082 |
| 0.65 | 138.0 | 0.0777 | 0.226 |
| 0.65 | 198.0 | -0.4204 | 0.2385 |
| 0.65 | 222.0 | -0.1913 | 0.1993 |
| 0.65 | 234.0 | -0.2075 | 0.1768 |
| 0.65 | 246.0 | 0.269 | 0.2187 |
| 0.65 | 258.0 | 0.1482 | 0.2179 |
| 0.65 | 282.0 | -0.1382 | 0.2477 |
| 0.65 | 294.0 | 0.2255 | 0.2063 |
| 0.75 | 102.0 | -0.4074 | 0.2247 |
| 0.75 | 114.0 | 0.1644 | 0.215 |
| 0.75 | 126.0 | 0.2097 | 0.1878 |
| 0.75 | 138.0 | 0.158 | 0.1941 |
| 0.75 | 150.0 | -0.0101 | 0.2526 |
| 0.75 | 198.0 | 0.1512 | 0.2354 |
| 0.75 | 210.0 | 0.1337 | 0.202 |
| 0.75 | 222.0 | -0.201 | 0.2085 |
| 0.75 | 234.0 | 0.006 | 0.1887 |
| 0.75 | 246.0 | 0.0158 | 0.2012 |
| 0.75 | 258.0 | -0.1958 | 0.2364 |
| 0.75 | 282.0 | -0.2392 | 0.1907 |
| 0.75 | 294.0 | -0.0928 | 0.2387 |
| 0.85 | 90.0 | -0.0312 | 0.1852 |
| 0.85 | 102.0 | 0.5015 | 0.1837 |
| 0.85 | 138.0 | -0.1176 | 0.237 |
| 0.85 | 210.0 | -0.079 | 0.2262 |
| 0.85 | 222.0 | -0.1245 | 0.1915 |
| 0.85 | 234.0 | 0.1205 | 0.1873 |
| 0.85 | 246.0 | 0.2589 | 0.2113 |
| 0.85 | 258.0 | -0.1715 | 0.2326 |
| 0.95 | 222.0 | -0.0708 | 0.212 |
| 0.95 | 234.0 | 0.1887 | 0.2355 |
| 0.95 | 246.0 | 0.0052 | 0.2422 |
| 0.95 | 258.0 | -0.0717 | 0.2186 |
Experiment comment: