Measurement E151M3483
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3013 | |
| Q2: | 0.205 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9394 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -0.4026 | 0.1893 |
| 0.05 | 66.0 | -0.0836 | 0.2394 |
| 0.05 | 294.0 | 0.1921 | 0.2642 |
| 0.05 | 306.0 | 0.4746 | 0.1792 |
| 0.15 | 54.0 | 0.0129 | 0.1817 |
| 0.15 | 66.0 | 0.2063 | 0.1586 |
| 0.15 | 78.0 | 0.1434 | 0.2519 |
| 0.15 | 282.0 | -0.0822 | 0.2243 |
| 0.15 | 294.0 | 0.0754 | 0.1594 |
| 0.15 | 306.0 | -0.3538 | 0.1994 |
| 0.25 | 54.0 | -0.1439 | 0.2128 |
| 0.25 | 66.0 | -0.1111 | 0.1571 |
| 0.25 | 78.0 | -0.0758 | 0.1757 |
| 0.25 | 282.0 | -0.1849 | 0.1603 |
| 0.25 | 294.0 | 0.225 | 0.1469 |
| 0.25 | 306.0 | 0.0001 | 0.2229 |
| 0.35 | 54.0 | -0.0093 | 0.2281 |
| 0.35 | 66.0 | -0.1264 | 0.1459 |
| 0.35 | 78.0 | -0.1469 | 0.202 |
| 0.35 | 90.0 | 0.0731 | 0.2314 |
| 0.35 | 270.0 | -0.1299 | 0.2364 |
| 0.35 | 282.0 | 0.077 | 0.1502 |
| 0.35 | 294.0 | 0.0038 | 0.1527 |
| 0.35 | 306.0 | 0.2779 | 0.2429 |
| 0.45 | 54.0 | -0.0401 | 0.2217 |
| 0.45 | 66.0 | 0.1567 | 0.1659 |
| 0.45 | 78.0 | -0.48 | 0.1806 |
| 0.45 | 90.0 | 0.1071 | 0.1783 |
| 0.45 | 102.0 | 0.0392 | 0.185 |
| 0.45 | 114.0 | -0.0078 | 0.2741 |
| 0.45 | 270.0 | 0.058 | 0.1651 |
| 0.45 | 282.0 | 0.0318 | 0.1547 |
| 0.45 | 294.0 | -0.0289 | 0.1376 |
| 0.45 | 306.0 | 0.4322 | 0.205 |
| 0.45 | 318.0 | -0.0395 | 0.2703 |
| 0.55 | 54.0 | 0.1408 | 0.2135 |
| 0.55 | 66.0 | -0.2733 | 0.2632 |
| 0.55 | 78.0 | -0.097 | 0.225 |
| 0.55 | 90.0 | -0.1787 | 0.1444 |
| 0.55 | 102.0 | 0.0617 | 0.1396 |
| 0.55 | 114.0 | 0.0617 | 0.1413 |
| 0.55 | 246.0 | 0.2127 | 0.2541 |
| 0.55 | 258.0 | -0.3195 | 0.1638 |
| 0.55 | 270.0 | 0.0762 | 0.1923 |
| 0.55 | 282.0 | -0.1223 | 0.1549 |
| 0.55 | 294.0 | -0.0525 | 0.209 |
| 0.55 | 306.0 | 0.0271 | 0.1673 |
| 0.65 | 66.0 | -0.5351 | 0.1927 |
| 0.65 | 78.0 | 0.2498 | 0.1623 |
| 0.65 | 90.0 | -0.0807 | 0.1195 |
| 0.65 | 102.0 | 0.0678 | 0.1058 |
| 0.65 | 114.0 | 0.0818 | 0.128 |
| 0.65 | 126.0 | -0.0168 | 0.1635 |
| 0.65 | 138.0 | -0.0544 | 0.2259 |
| 0.65 | 222.0 | 0.1861 | 0.2134 |
| 0.65 | 234.0 | 0.0574 | 0.1553 |
| 0.65 | 246.0 | -0.0974 | 0.139 |
| 0.65 | 258.0 | 0.2586 | 0.1704 |
| 0.65 | 270.0 | -0.3478 | 0.1759 |
| 0.65 | 282.0 | 0.2403 | 0.2236 |
| 0.65 | 294.0 | 0.326 | 0.2233 |
| 0.65 | 306.0 | 0.2837 | 0.1861 |
| 0.75 | 54.0 | -0.2025 | 0.2733 |
| 0.75 | 66.0 | -0.0599 | 0.1783 |
| 0.75 | 78.0 | 0.1065 | 0.2115 |
| 0.75 | 90.0 | 0.0292 | 0.1142 |
| 0.75 | 102.0 | 0.0405 | 0.115 |
| 0.75 | 114.0 | 0.0048 | 0.1246 |
| 0.75 | 126.0 | -0.2779 | 0.1383 |
| 0.75 | 138.0 | 0.045 | 0.1585 |
| 0.75 | 150.0 | 0.3667 | 0.2294 |
| 0.75 | 198.0 | -0.0167 | 0.2397 |
| 0.75 | 210.0 | -0.0544 | 0.1757 |
| 0.75 | 222.0 | -0.0306 | 0.1417 |
| 0.75 | 234.0 | -0.0044 | 0.1283 |
| 0.75 | 246.0 | -0.1162 | 0.1189 |
| 0.75 | 258.0 | -0.2672 | 0.1226 |
| 0.75 | 270.0 | 0.0699 | 0.1449 |
| 0.75 | 282.0 | 0.3947 | 0.2038 |
| 0.75 | 294.0 | 0.0388 | 0.2442 |
| 0.85 | 54.0 | 0.0665 | 0.2521 |
| 0.85 | 66.0 | 0.023 | 0.1234 |
| 0.85 | 78.0 | 0.0141 | 0.1525 |
| 0.85 | 90.0 | -0.0549 | 0.1757 |
| 0.85 | 102.0 | -0.0904 | 0.1195 |
| 0.85 | 114.0 | 0.047 | 0.1249 |
| 0.85 | 126.0 | 0.0999 | 0.1516 |
| 0.85 | 138.0 | 0.2926 | 0.1919 |
| 0.85 | 150.0 | 0.4514 | 0.2276 |
| 0.85 | 162.0 | 0.039 | 0.2784 |
| 0.85 | 174.0 | -0.0231 | 0.2538 |
| 0.85 | 186.0 | -0.4412 | 0.1981 |
| 0.85 | 198.0 | -0.1963 | 0.1876 |
| 0.85 | 210.0 | -0.1108 | 0.1692 |
| 0.85 | 222.0 | -0.3333 | 0.134 |
| 0.85 | 234.0 | -0.0658 | 0.1202 |
| 0.85 | 246.0 | -0.0902 | 0.1109 |
| 0.85 | 258.0 | 0.1165 | 0.123 |
| 0.85 | 270.0 | 0.0379 | 0.1298 |
| 0.85 | 282.0 | -0.1548 | 0.1374 |
| 0.85 | 294.0 | -0.1506 | 0.165 |
| 0.85 | 306.0 | 0.0518 | 0.2263 |
| 0.95 | 66.0 | -0.1626 | 0.1679 |
| 0.95 | 78.0 | 0.1827 | 0.206 |
| 0.95 | 90.0 | 0.2097 | 0.2577 |
| 0.95 | 102.0 | 0.0561 | 0.2595 |
| 0.95 | 114.0 | 0.0972 | 0.1955 |
| 0.95 | 126.0 | -0.0254 | 0.2188 |
| 0.95 | 138.0 | -0.0531 | 0.2723 |
| 0.95 | 174.0 | 0.091 | 0.2783 |
| 0.95 | 186.0 | 0.0325 | 0.2286 |
| 0.95 | 198.0 | 0.2368 | 0.2093 |
| 0.95 | 210.0 | -0.25 | 0.1979 |
| 0.95 | 222.0 | -0.1438 | 0.1764 |
| 0.95 | 234.0 | -0.1431 | 0.1457 |
| 0.95 | 246.0 | 0.1074 | 0.1667 |
| 0.95 | 258.0 | -0.3076 | 0.1326 |
| 0.95 | 270.0 | 0.0812 | 0.1358 |
| 0.95 | 282.0 | -0.0042 | 0.1261 |
| 0.95 | 294.0 | 0.0907 | 0.1189 |
| 0.95 | 306.0 | -0.3625 | 0.14 |
Experiment comment: