Measurement E151M3543
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1269 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1625.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9098 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 66.0 | -0.0974 | 0.2486 |
| 0.25 | 66.0 | -0.5189 | 0.2061 |
| 0.25 | 78.0 | -0.0281 | 0.2527 |
| 0.25 | 270.0 | -0.17 | 0.2523 |
| 0.25 | 282.0 | 0.3989 | 0.1936 |
| 0.25 | 294.0 | -0.0317 | 0.2671 |
| 0.35 | 66.0 | 0.1268 | 0.1787 |
| 0.35 | 78.0 | 0.0403 | 0.1968 |
| 0.35 | 90.0 | -0.2218 | 0.2637 |
| 0.35 | 102.0 | -0.2357 | 0.2568 |
| 0.35 | 114.0 | 0.16 | 0.2795 |
| 0.35 | 258.0 | -0.0142 | 0.2681 |
| 0.35 | 270.0 | -0.1041 | 0.1844 |
| 0.35 | 282.0 | 0.0308 | 0.1808 |
| 0.35 | 294.0 | 0.0065 | 0.2199 |
| 0.45 | 66.0 | -0.0804 | 0.2271 |
| 0.45 | 78.0 | -0.1411 | 0.2305 |
| 0.45 | 90.0 | 0.3219 | 0.2517 |
| 0.45 | 102.0 | 0.0428 | 0.2169 |
| 0.45 | 114.0 | 0.0512 | 0.247 |
| 0.45 | 126.0 | -0.0006 | 0.2203 |
| 0.45 | 258.0 | -0.0408 | 0.2297 |
| 0.45 | 270.0 | -0.1347 | 0.1731 |
| 0.45 | 282.0 | -0.1547 | 0.1513 |
| 0.45 | 294.0 | 0.1696 | 0.1934 |
| 0.55 | 42.0 | -0.2673 | 0.2094 |
| 0.55 | 54.0 | -0.0762 | 0.2344 |
| 0.55 | 66.0 | 0.0904 | 0.2333 |
| 0.55 | 78.0 | 0.0425 | 0.2251 |
| 0.55 | 90.0 | -0.128 | 0.2042 |
| 0.55 | 102.0 | 0.1622 | 0.169 |
| 0.55 | 114.0 | -0.1507 | 0.156 |
| 0.55 | 126.0 | -0.1301 | 0.1595 |
| 0.55 | 138.0 | 0.2385 | 0.166 |
| 0.55 | 150.0 | -0.1207 | 0.2616 |
| 0.55 | 198.0 | -0.0811 | 0.195 |
| 0.55 | 210.0 | -0.4129 | 0.1959 |
| 0.55 | 222.0 | -0.0037 | 0.2276 |
| 0.55 | 234.0 | -0.1733 | 0.2057 |
| 0.55 | 246.0 | -0.2942 | 0.2242 |
| 0.55 | 258.0 | 0.0594 | 0.1992 |
| 0.55 | 270.0 | 0.1068 | 0.1651 |
| 0.55 | 282.0 | -0.1145 | 0.1712 |
| 0.55 | 294.0 | 0.1059 | 0.2073 |
| 0.55 | 306.0 | -0.1489 | 0.2659 |
| 0.65 | 54.0 | -0.1638 | 0.1945 |
| 0.65 | 66.0 | -0.0647 | 0.2219 |
| 0.65 | 90.0 | 0.3083 | 0.1903 |
| 0.65 | 102.0 | 0.0607 | 0.1494 |
| 0.65 | 114.0 | -0.2517 | 0.1432 |
| 0.65 | 126.0 | -0.0397 | 0.1342 |
| 0.65 | 138.0 | -0.0395 | 0.1656 |
| 0.65 | 150.0 | 0.5338 | 0.2134 |
| 0.65 | 174.0 | -0.1129 | 0.2478 |
| 0.65 | 186.0 | 0.0616 | 0.2125 |
| 0.65 | 198.0 | 0.0538 | 0.1706 |
| 0.65 | 210.0 | -0.2227 | 0.1649 |
| 0.65 | 222.0 | -0.0756 | 0.1419 |
| 0.65 | 234.0 | 0.1568 | 0.1454 |
| 0.65 | 246.0 | -0.0116 | 0.1882 |
| 0.65 | 258.0 | 0.29 | 0.183 |
| 0.65 | 270.0 | 0.3709 | 0.253 |
| 0.65 | 282.0 | -0.128 | 0.1848 |
| 0.65 | 294.0 | 0.2793 | 0.1391 |
| 0.65 | 306.0 | 0.3266 | 0.1879 |
| 0.75 | 78.0 | 0.1213 | 0.17 |
| 0.75 | 90.0 | 0.0686 | 0.1971 |
| 0.75 | 102.0 | 0.1435 | 0.1652 |
| 0.75 | 114.0 | 0.0115 | 0.127 |
| 0.75 | 126.0 | -0.1309 | 0.1353 |
| 0.75 | 138.0 | 0.1389 | 0.1593 |
| 0.75 | 150.0 | -0.3555 | 0.2148 |
| 0.75 | 162.0 | 0.1155 | 0.2444 |
| 0.75 | 174.0 | -0.0343 | 0.2365 |
| 0.75 | 186.0 | 0.1161 | 0.1853 |
| 0.75 | 198.0 | 0.0366 | 0.1511 |
| 0.75 | 210.0 | -0.0136 | 0.1376 |
| 0.75 | 222.0 | 0.0908 | 0.1328 |
| 0.75 | 234.0 | 0.2121 | 0.1298 |
| 0.75 | 246.0 | 0.0855 | 0.1467 |
| 0.75 | 258.0 | 0.1308 | 0.1705 |
| 0.75 | 270.0 | 0.0647 | 0.2449 |
| 0.75 | 282.0 | -0.2012 | 0.1434 |
| 0.75 | 294.0 | 0.0443 | 0.142 |
| 0.75 | 306.0 | 0.0452 | 0.2027 |
| 0.85 | 78.0 | 0.2409 | 0.1328 |
| 0.85 | 90.0 | 0.186 | 0.1325 |
| 0.85 | 102.0 | -0.2901 | 0.1368 |
| 0.85 | 114.0 | -0.0185 | 0.1805 |
| 0.85 | 126.0 | -0.0156 | 0.1719 |
| 0.85 | 138.0 | -0.1188 | 0.1991 |
| 0.85 | 150.0 | -0.3108 | 0.2149 |
| 0.85 | 174.0 | 0.1892 | 0.2558 |
| 0.85 | 186.0 | -0.2646 | 0.1678 |
| 0.85 | 198.0 | 0.1055 | 0.1539 |
| 0.85 | 210.0 | 0.1545 | 0.1308 |
| 0.85 | 222.0 | 0.0457 | 0.1225 |
| 0.85 | 234.0 | -0.0899 | 0.1113 |
| 0.85 | 246.0 | -0.1032 | 0.1514 |
| 0.85 | 258.0 | 0.2034 | 0.1632 |
| 0.85 | 270.0 | 0.1922 | 0.189 |
| 0.85 | 282.0 | -0.2406 | 0.2229 |
| 0.85 | 294.0 | -0.1977 | 0.2527 |
| 0.95 | 90.0 | -0.2487 | 0.1709 |
| 0.95 | 102.0 | 0.0442 | 0.1615 |
| 0.95 | 114.0 | 0.1458 | 0.2178 |
| 0.95 | 126.0 | 0.2484 | 0.2607 |
| 0.95 | 174.0 | -0.0835 | 0.2377 |
| 0.95 | 186.0 | -0.0618 | 0.1938 |
| 0.95 | 198.0 | 0.0125 | 0.1885 |
| 0.95 | 210.0 | -0.0344 | 0.1862 |
| 0.95 | 222.0 | -0.2644 | 0.1424 |
| 0.95 | 234.0 | 0.0051 | 0.1344 |
| 0.95 | 246.0 | 0.0052 | 0.1447 |
| 0.95 | 258.0 | -0.0868 | 0.1507 |
| 0.95 | 270.0 | -0.4464 | 0.1452 |
Experiment comment: