Measurement E151M3472
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3839 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9401 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -0.1139 | 0.2311 |
| 0.05 | 66.0 | -0.559 | 0.2027 |
| 0.05 | 294.0 | 0.3036 | 0.2322 |
| 0.05 | 306.0 | -0.1142 | 0.2163 |
| 0.15 | 54.0 | 0.2903 | 0.2219 |
| 0.15 | 66.0 | 0.0572 | 0.1885 |
| 0.15 | 282.0 | 0.1 | 0.263 |
| 0.15 | 294.0 | 0.0817 | 0.1821 |
| 0.15 | 306.0 | 0.2123 | 0.189 |
| 0.25 | 54.0 | -0.2448 | 0.2097 |
| 0.25 | 66.0 | -0.1928 | 0.2036 |
| 0.25 | 78.0 | 0.3767 | 0.1983 |
| 0.25 | 282.0 | -0.2229 | 0.1974 |
| 0.25 | 294.0 | -0.0403 | 0.1727 |
| 0.25 | 306.0 | 0.1288 | 0.2188 |
| 0.35 | 54.0 | -0.1514 | 0.2515 |
| 0.35 | 66.0 | -0.1659 | 0.1929 |
| 0.35 | 78.0 | 0.2385 | 0.2236 |
| 0.35 | 270.0 | -0.0084 | 0.2619 |
| 0.35 | 282.0 | -0.3307 | 0.1685 |
| 0.35 | 294.0 | -0.0932 | 0.1715 |
| 0.45 | 54.0 | -0.424 | 0.2127 |
| 0.45 | 66.0 | -0.3598 | 0.2432 |
| 0.45 | 78.0 | 0.4464 | 0.1925 |
| 0.45 | 90.0 | 0.2716 | 0.223 |
| 0.45 | 102.0 | 0.2105 | 0.2409 |
| 0.45 | 270.0 | -0.1406 | 0.2374 |
| 0.45 | 282.0 | 0.1426 | 0.1798 |
| 0.45 | 294.0 | -0.1586 | 0.209 |
| 0.55 | 78.0 | -0.0504 | 0.2101 |
| 0.55 | 90.0 | -0.2355 | 0.1513 |
| 0.55 | 102.0 | -0.0045 | 0.1562 |
| 0.55 | 114.0 | -0.1969 | 0.1858 |
| 0.55 | 258.0 | 0.1269 | 0.2591 |
| 0.55 | 270.0 | 0.343 | 0.2278 |
| 0.55 | 282.0 | -0.0192 | 0.1907 |
| 0.55 | 294.0 | -0.0349 | 0.2779 |
| 0.55 | 306.0 | -0.1166 | 0.1656 |
| 0.65 | 78.0 | -0.0012 | 0.1482 |
| 0.65 | 90.0 | 0.1162 | 0.1365 |
| 0.65 | 102.0 | -0.1653 | 0.1386 |
| 0.65 | 114.0 | 0.1741 | 0.1551 |
| 0.65 | 126.0 | -0.0772 | 0.2066 |
| 0.65 | 234.0 | -0.0511 | 0.2127 |
| 0.65 | 246.0 | -0.3068 | 0.182 |
| 0.65 | 258.0 | -0.0846 | 0.1728 |
| 0.65 | 270.0 | 0.1918 | 0.204 |
| 0.65 | 282.0 | 0.2995 | 0.2237 |
| 0.65 | 306.0 | -0.03 | 0.2182 |
| 0.75 | 54.0 | -0.0938 | 0.1946 |
| 0.75 | 66.0 | -0.1965 | 0.2042 |
| 0.75 | 78.0 | -0.0794 | 0.1742 |
| 0.75 | 90.0 | -0.1076 | 0.1234 |
| 0.75 | 102.0 | 0.012 | 0.1315 |
| 0.75 | 114.0 | -0.1434 | 0.1466 |
| 0.75 | 126.0 | -0.0236 | 0.1387 |
| 0.75 | 138.0 | -0.0763 | 0.2225 |
| 0.75 | 198.0 | -0.3843 | 0.2692 |
| 0.75 | 210.0 | -0.0996 | 0.2364 |
| 0.75 | 222.0 | 0.197 | 0.1708 |
| 0.75 | 234.0 | -0.2302 | 0.1587 |
| 0.75 | 246.0 | 0.0214 | 0.1299 |
| 0.75 | 258.0 | -0.077 | 0.1318 |
| 0.75 | 270.0 | -0.1518 | 0.1497 |
| 0.75 | 282.0 | 0.0255 | 0.185 |
| 0.75 | 294.0 | 0.3073 | 0.2002 |
| 0.85 | 54.0 | 0.2997 | 0.1891 |
| 0.85 | 66.0 | 0.126 | 0.1407 |
| 0.85 | 78.0 | -0.073 | 0.2576 |
| 0.85 | 90.0 | 0.2432 | 0.1446 |
| 0.85 | 102.0 | 0.2857 | 0.1213 |
| 0.85 | 114.0 | 0.1457 | 0.1463 |
| 0.85 | 126.0 | 0.1468 | 0.1766 |
| 0.85 | 138.0 | -0.0088 | 0.2027 |
| 0.85 | 150.0 | 0.017 | 0.2649 |
| 0.85 | 186.0 | -0.0491 | 0.2527 |
| 0.85 | 198.0 | -0.226 | 0.1764 |
| 0.85 | 210.0 | 0.0829 | 0.1859 |
| 0.85 | 222.0 | -0.1073 | 0.1495 |
| 0.85 | 234.0 | 0.0347 | 0.1405 |
| 0.85 | 246.0 | 0.092 | 0.1247 |
| 0.85 | 258.0 | -0.1826 | 0.1244 |
| 0.85 | 270.0 | -0.1173 | 0.1218 |
| 0.85 | 282.0 | -0.0742 | 0.1292 |
| 0.85 | 294.0 | 0.2734 | 0.1474 |
| 0.85 | 306.0 | 0.2862 | 0.1754 |
| 0.95 | 54.0 | 0.3214 | 0.2167 |
| 0.95 | 66.0 | 0.0748 | 0.2147 |
| 0.95 | 78.0 | -0.2855 | 0.2776 |
| 0.95 | 102.0 | -0.3758 | 0.2111 |
| 0.95 | 114.0 | -0.1314 | 0.1951 |
| 0.95 | 126.0 | 0.0155 | 0.2118 |
| 0.95 | 138.0 | 0.1363 | 0.2303 |
| 0.95 | 150.0 | -0.0164 | 0.2767 |
| 0.95 | 174.0 | -0.4168 | 0.2373 |
| 0.95 | 186.0 | 0.2647 | 0.2216 |
| 0.95 | 198.0 | 0.0022 | 0.1939 |
| 0.95 | 210.0 | -0.1519 | 0.203 |
| 0.95 | 222.0 | 0.1361 | 0.1881 |
| 0.95 | 234.0 | -0.2559 | 0.1733 |
| 0.95 | 246.0 | 0.0551 | 0.1707 |
| 0.95 | 258.0 | -0.2506 | 0.1531 |
| 0.95 | 270.0 | -0.2733 | 0.1611 |
| 0.95 | 282.0 | -0.2939 | 0.1452 |
| 0.95 | 294.0 | -0.1407 | 0.135 |
| 0.95 | 306.0 | 0.0533 | 0.1478 |
| 0.95 | 318.0 | 0.0152 | 0.1858 |
Experiment comment: