Measurement E151M3201
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.5445 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9523 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.1079 | 0.2095 |
| 0.35 | 66.0 | 0.4093 | 0.1931 |
| 0.45 | 66.0 | -0.2198 | 0.22 |
| 0.45 | 78.0 | -0.0105 | 0.2184 |
| 0.65 | 258.0 | 0.1105 | 0.2403 |
| 0.65 | 270.0 | -0.1346 | 0.2208 |
| 0.65 | 282.0 | -0.5352 | 0.2189 |
| 0.75 | 90.0 | -0.045 | 0.2589 |
| 0.75 | 102.0 | 0.1996 | 0.2134 |
| 0.75 | 114.0 | 0.2105 | 0.2001 |
| 0.75 | 246.0 | -0.0953 | 0.2081 |
| 0.75 | 258.0 | -0.0049 | 0.2055 |
| 0.75 | 270.0 | -0.0283 | 0.2034 |
| 0.75 | 282.0 | 0.079 | 0.1841 |
| 0.85 | 78.0 | 0.1692 | 0.2538 |
| 0.85 | 90.0 | -0.1963 | 0.1961 |
| 0.85 | 102.0 | -0.0775 | 0.1992 |
| 0.85 | 114.0 | 0.1696 | 0.1673 |
| 0.85 | 126.0 | 0.3274 | 0.2153 |
| 0.85 | 234.0 | 0.2785 | 0.2279 |
| 0.85 | 246.0 | -0.488 | 0.1932 |
| 0.85 | 258.0 | -0.1462 | 0.1735 |
| 0.85 | 270.0 | 0.1702 | 0.1831 |
| 0.85 | 282.0 | 0.2336 | 0.1889 |
| 0.85 | 294.0 | 0.3086 | 0.2517 |
| 0.95 | 90.0 | 0.53 | 0.2046 |
| 0.95 | 102.0 | 0.2392 | 0.03 |
| 0.95 | 114.0 | -0.0718 | 0.2335 |
| 0.95 | 126.0 | 0.2228 | 0.2178 |
| 0.95 | 138.0 | -0.0418 | 0.2415 |
| 0.95 | 150.0 | 0.032 | 0.2327 |
| 0.95 | 246.0 | -0.2869 | 0.2633 |
| 0.95 | 258.0 | -0.0459 | 0.2415 |
| 0.95 | 270.0 | 0.1756 | 0.2218 |
| 0.95 | 282.0 | 0.0519 | 0.2111 |
| 0.15 | 66.0 | 0.1062 | 0.2516 |
| 0.35 | 66.0 | 0.0398 | 0.197 |
| 0.35 | 78.0 | -0.1899 | 0.2383 |
| 0.45 | 66.0 | 0.0235 | 0.2312 |
| 0.45 | 78.0 | -0.1544 | 0.2409 |
| 0.45 | 282.0 | -0.5794 | 0.2045 |
| 0.55 | 270.0 | -0.1484 | 0.2431 |
| 0.55 | 282.0 | -0.3056 | 0.2427 |
| 0.65 | 258.0 | 0.3733 | 0.208 |
| 0.65 | 270.0 | -0.0565 | 0.204 |
| 0.65 | 282.0 | 0.1541 | 0.2227 |
| 0.75 | 90.0 | 0.1083 | 0.2455 |
| 0.75 | 102.0 | -0.0874 | 0.2173 |
| 0.75 | 114.0 | -0.1385 | 0.2306 |
| 0.75 | 234.0 | 0.065 | 0.2514 |
| 0.75 | 246.0 | 0.0564 | 0.2258 |
| 0.75 | 258.0 | 0.1317 | 0.2054 |
| 0.75 | 270.0 | 0.2256 | 0.1678 |
| 0.75 | 282.0 | 0.2232 | 0.1723 |
| 0.85 | 78.0 | -0.2109 | 0.2169 |
| 0.85 | 90.0 | 0.269 | 0.1747 |
| 0.85 | 102.0 | 0.0295 | 0.1685 |
| 0.85 | 114.0 | -0.0649 | 0.1557 |
| 0.85 | 126.0 | -0.018 | 0.1867 |
| 0.85 | 138.0 | -0.0151 | 0.2151 |
| 0.85 | 234.0 | 0.0328 | 0.2349 |
| 0.85 | 246.0 | -0.2082 | 0.2079 |
| 0.85 | 258.0 | -0.0356 | 0.1677 |
| 0.85 | 270.0 | -0.0187 | 0.2011 |
| 0.85 | 282.0 | -0.2241 | 0.1772 |
| 0.85 | 294.0 | 0.0094 | 0.2398 |
| 0.95 | 90.0 | 0.1323 | 0.2128 |
| 0.95 | 102.0 | 0.0047 | 0.1988 |
| 0.95 | 114.0 | 0.0922 | 0.1985 |
| 0.95 | 126.0 | 0.2054 | 0.229 |
| 0.95 | 138.0 | -0.184 | 0.2435 |
| 0.95 | 150.0 | -0.1444 | 0.2641 |
| 0.95 | 234.0 | 0.0482 | 0.2327 |
| 0.95 | 246.0 | 0.1007 | 0.2378 |
| 0.95 | 258.0 | -0.262 | 0.1939 |
| 0.95 | 270.0 | 0.2454 | 0.2193 |
Experiment comment: