Measurement E151M3473
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.4264 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9335 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | 0.5593 | 0.1872 |
| 0.05 | 294.0 | -0.2081 | 0.243 |
| 0.15 | 54.0 | -0.0913 | 0.2354 |
| 0.15 | 66.0 | 0.0442 | 0.2049 |
| 0.15 | 282.0 | 0.1449 | 0.2697 |
| 0.15 | 294.0 | 0.338 | 0.2162 |
| 0.15 | 306.0 | 0.1501 | 0.2612 |
| 0.25 | 54.0 | 0.0904 | 0.2444 |
| 0.25 | 66.0 | -0.0885 | 0.2471 |
| 0.25 | 282.0 | 0.0615 | 0.2131 |
| 0.25 | 294.0 | 0.0321 | 0.1804 |
| 0.25 | 306.0 | 0.1809 | 0.1969 |
| 0.35 | 54.0 | 0.6124 | 0.1923 |
| 0.35 | 66.0 | 0.4442 | 0.1843 |
| 0.35 | 78.0 | 0.123 | 0.2811 |
| 0.35 | 90.0 | 0.5554 | 0.2234 |
| 0.35 | 282.0 | -0.0518 | 0.1885 |
| 0.35 | 294.0 | 0.0245 | 0.2021 |
| 0.45 | 54.0 | -0.1413 | 0.2545 |
| 0.45 | 78.0 | -0.5318 | 0.2143 |
| 0.45 | 90.0 | -0.2273 | 0.2323 |
| 0.45 | 102.0 | -0.1614 | 0.212 |
| 0.45 | 282.0 | -0.2937 | 0.1954 |
| 0.45 | 294.0 | -0.1121 | 0.2125 |
| 0.55 | 78.0 | -0.0516 | 0.2293 |
| 0.55 | 90.0 | -0.0775 | 0.1686 |
| 0.55 | 102.0 | 0.2256 | 0.1586 |
| 0.55 | 114.0 | 0.2375 | 0.2125 |
| 0.55 | 258.0 | 0.4415 | 0.2181 |
| 0.55 | 282.0 | -0.0758 | 0.2394 |
| 0.55 | 294.0 | -0.1365 | 0.2392 |
| 0.55 | 306.0 | -0.0842 | 0.24 |
| 0.65 | 78.0 | -0.1363 | 0.1491 |
| 0.65 | 90.0 | -0.0571 | 0.1508 |
| 0.65 | 102.0 | 0.1145 | 0.1491 |
| 0.65 | 114.0 | 0.1614 | 0.1808 |
| 0.65 | 246.0 | -0.0313 | 0.1935 |
| 0.65 | 258.0 | 0.0357 | 0.1755 |
| 0.65 | 270.0 | -0.0408 | 0.2016 |
| 0.65 | 282.0 | 0.0665 | 0.2137 |
| 0.65 | 306.0 | -0.433 | 0.2088 |
| 0.75 | 54.0 | -0.1227 | 0.1874 |
| 0.75 | 66.0 | 0.4652 | 0.191 |
| 0.75 | 78.0 | 0.1569 | 0.1671 |
| 0.75 | 90.0 | -0.0136 | 0.1443 |
| 0.75 | 102.0 | -0.0852 | 0.1474 |
| 0.75 | 114.0 | -0.4397 | 0.1578 |
| 0.75 | 126.0 | 0.2368 | 0.1872 |
| 0.75 | 138.0 | 0.1236 | 0.2426 |
| 0.75 | 210.0 | -0.0609 | 0.2811 |
| 0.75 | 222.0 | 0.1226 | 0.2444 |
| 0.75 | 234.0 | -0.3648 | 0.154 |
| 0.75 | 246.0 | 0.003 | 0.1644 |
| 0.75 | 258.0 | 0.1184 | 0.1619 |
| 0.75 | 270.0 | -0.1609 | 0.1509 |
| 0.75 | 282.0 | 0.2552 | 0.1875 |
| 0.75 | 294.0 | -0.0669 | 0.2383 |
| 0.85 | 54.0 | -0.0848 | 0.1609 |
| 0.85 | 66.0 | 0.0798 | 0.1854 |
| 0.85 | 78.0 | 0.4674 | 0.2128 |
| 0.85 | 90.0 | 0.3207 | 0.1392 |
| 0.85 | 102.0 | -0.1691 | 0.1593 |
| 0.85 | 114.0 | -0.0439 | 0.1501 |
| 0.85 | 126.0 | 0.2046 | 0.1752 |
| 0.85 | 138.0 | 0.2695 | 0.2379 |
| 0.85 | 186.0 | -0.107 | 0.2773 |
| 0.85 | 198.0 | -0.174 | 0.2254 |
| 0.85 | 210.0 | -0.2052 | 0.1993 |
| 0.85 | 222.0 | 0.2845 | 0.1844 |
| 0.85 | 234.0 | 0.1886 | 0.153 |
| 0.85 | 246.0 | 0.1285 | 0.1492 |
| 0.85 | 258.0 | 0.052 | 0.1376 |
| 0.85 | 270.0 | 0.0401 | 0.1297 |
| 0.85 | 282.0 | -0.105 | 0.1425 |
| 0.85 | 294.0 | -0.1377 | 0.1528 |
| 0.85 | 306.0 | -0.2025 | 0.1589 |
| 0.85 | 318.0 | 0.3769 | 0.2259 |
| 0.95 | 54.0 | 0.111 | 0.2546 |
| 0.95 | 90.0 | 0.1584 | 0.2734 |
| 0.95 | 102.0 | 0.1374 | 0.2537 |
| 0.95 | 114.0 | 0.1294 | 0.2368 |
| 0.95 | 198.0 | 0.2154 | 0.2524 |
| 0.95 | 210.0 | 0.2028 | 0.2175 |
| 0.95 | 222.0 | 0.6105 | 0.2094 |
| 0.95 | 234.0 | -0.038 | 0.2208 |
| 0.95 | 246.0 | 0.0927 | 0.1579 |
| 0.95 | 258.0 | 0.3197 | 0.1744 |
| 0.95 | 270.0 | 0.1936 | 0.175 |
| 0.95 | 282.0 | 0.1643 | 0.1489 |
| 0.95 | 294.0 | -0.2949 | 0.1366 |
| 0.95 | 306.0 | 0.3248 | 0.1431 |
| 0.95 | 318.0 | 0.0012 | 0.1724 |
| 0.95 | 330.0 | 0.0722 | 0.2314 |
Experiment comment: