Measurement E151M3405
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.8195 | |
| Q2: | 0.205 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9709 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | 0.0289 | 0.2748 |
| 0.05 | 66.0 | 0.101 | 0.2499 |
| 0.05 | 306.0 | -0.3017 | 0.243 |
| 0.15 | 54.0 | -0.3454 | 0.1997 |
| 0.15 | 66.0 | 0.1749 | 0.1622 |
| 0.15 | 78.0 | -0.347 | 0.2562 |
| 0.15 | 294.0 | -0.0525 | 0.2621 |
| 0.25 | 54.0 | 0.1027 | 0.2092 |
| 0.25 | 66.0 | -0.0992 | 0.1437 |
| 0.25 | 78.0 | 0.1124 | 0.209 |
| 0.25 | 294.0 | -0.0563 | 0.2215 |
| 0.25 | 306.0 | -0.1263 | 0.2723 |
| 0.35 | 54.0 | -0.3696 | 0.2015 |
| 0.35 | 66.0 | 0.04 | 0.1527 |
| 0.35 | 78.0 | 0.083 | 0.2206 |
| 0.35 | 282.0 | 0.0884 | 0.2118 |
| 0.35 | 294.0 | 0.1928 | 0.2406 |
| 0.45 | 54.0 | 0.0978 | 0.2673 |
| 0.45 | 66.0 | -0.046 | 0.1586 |
| 0.45 | 78.0 | -0.2161 | 0.1964 |
| 0.45 | 282.0 | -0.0891 | 0.1875 |
| 0.45 | 294.0 | 0.0413 | 0.2277 |
| 0.55 | 66.0 | 0.0578 | 0.255 |
| 0.55 | 78.0 | 0.7574 | 0.1702 |
| 0.55 | 90.0 | -0.0758 | 0.2433 |
| 0.55 | 270.0 | 0.1892 | 0.1708 |
| 0.55 | 282.0 | -0.2148 | 0.1326 |
| 0.55 | 294.0 | 0.09 | 0.1678 |
| 0.65 | 66.0 | 0.1958 | 0.1778 |
| 0.65 | 78.0 | 0.0079 | 0.1698 |
| 0.65 | 90.0 | -0.1474 | 0.1709 |
| 0.65 | 102.0 | -0.0239 | 0.197 |
| 0.65 | 258.0 | -0.0531 | 0.2442 |
| 0.65 | 270.0 | 0.0694 | 0.1319 |
| 0.65 | 282.0 | -0.2635 | 0.1159 |
| 0.65 | 294.0 | -0.2392 | 0.1408 |
| 0.65 | 306.0 | -0.0547 | 0.237 |
| 0.75 | 66.0 | 0.2995 | 0.145 |
| 0.75 | 78.0 | 0.0426 | 0.1234 |
| 0.75 | 90.0 | 0.1243 | 0.1141 |
| 0.75 | 102.0 | -0.0291 | 0.1494 |
| 0.75 | 114.0 | 0.2049 | 0.2115 |
| 0.75 | 246.0 | -0.1767 | 0.2429 |
| 0.75 | 258.0 | -0.1112 | 0.1328 |
| 0.75 | 270.0 | -0.0064 | 0.1259 |
| 0.75 | 282.0 | -0.1005 | 0.1152 |
| 0.75 | 294.0 | -0.0222 | 0.1303 |
| 0.75 | 306.0 | -0.3801 | 0.1746 |
| 0.85 | 54.0 | 0.1348 | 0.2644 |
| 0.85 | 66.0 | 0.2627 | 0.1489 |
| 0.85 | 78.0 | 0.0814 | 0.1161 |
| 0.85 | 90.0 | -0.0755 | 0.1134 |
| 0.85 | 102.0 | 0.2044 | 0.1135 |
| 0.85 | 114.0 | 0.0977 | 0.1311 |
| 0.85 | 126.0 | 0.0452 | 0.1605 |
| 0.85 | 138.0 | -0.2739 | 0.2315 |
| 0.85 | 234.0 | -0.2309 | 0.2205 |
| 0.85 | 246.0 | -0.0516 | 0.1456 |
| 0.85 | 258.0 | -0.0441 | 0.1435 |
| 0.85 | 270.0 | -0.1221 | 0.1284 |
| 0.85 | 282.0 | -0.0099 | 0.1232 |
| 0.85 | 294.0 | -0.0027 | 0.1343 |
| 0.85 | 306.0 | 0.0501 | 0.1549 |
| 0.95 | 54.0 | -0.0675 | 0.2114 |
| 0.95 | 66.0 | -0.0855 | 0.1427 |
| 0.95 | 78.0 | -0.1037 | 0.1385 |
| 0.95 | 90.0 | 0.025 | 0.1366 |
| 0.95 | 102.0 | 0.0617 | 0.1435 |
| 0.95 | 114.0 | 0.3644 | 0.126 |
| 0.95 | 126.0 | 0.1861 | 0.1504 |
| 0.95 | 138.0 | -0.0798 | 0.1641 |
| 0.95 | 150.0 | -0.0664 | 0.1821 |
| 0.95 | 162.0 | 0.4493 | 0.1902 |
| 0.95 | 174.0 | -0.2546 | 0.2646 |
| 0.95 | 186.0 | 0.41 | 0.2149 |
| 0.95 | 210.0 | -0.0799 | 0.2602 |
| 0.95 | 222.0 | -0.486 | 0.218 |
| 0.95 | 234.0 | 0.1396 | 0.1828 |
| 0.95 | 246.0 | 0.3367 | 0.1556 |
| 0.95 | 258.0 | -0.145 | 0.1418 |
| 0.95 | 270.0 | 0.0056 | 0.164 |
| 0.95 | 282.0 | -0.3009 | 0.1452 |
| 0.95 | 294.0 | 0.0231 | 0.1941 |
| 0.95 | 306.0 | -0.1261 | 0.1846 |
| 0.95 | 318.0 | -0.0433 | 0.2379 |
Experiment comment: