Measurement E151M3461
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.4828 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9395 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | 0.152 | 0.2505 |
| 0.05 | 66.0 | 0.2123 | 0.2831 |
| 0.05 | 306.0 | -0.15 | 0.2492 |
| 0.15 | 66.0 | 0.2241 | 0.2139 |
| 0.15 | 294.0 | 0.0784 | 0.2199 |
| 0.15 | 306.0 | 0.0316 | 0.2435 |
| 0.25 | 54.0 | 0.3709 | 0.2432 |
| 0.25 | 66.0 | 0.1635 | 0.2099 |
| 0.25 | 282.0 | -0.1211 | 0.2372 |
| 0.25 | 294.0 | 0.2052 | 0.2123 |
| 0.25 | 306.0 | 0.6703 | 0.1595 |
| 0.35 | 54.0 | -0.093 | 0.2503 |
| 0.35 | 66.0 | -0.0351 | 0.2221 |
| 0.35 | 78.0 | -0.4154 | 0.2276 |
| 0.35 | 282.0 | 0.2728 | 0.2004 |
| 0.35 | 294.0 | 0.0573 | 0.2081 |
| 0.45 | 78.0 | 0.4862 | 0.2569 |
| 0.45 | 90.0 | 0.1131 | 0.2414 |
| 0.45 | 102.0 | -0.5983 | 0.2075 |
| 0.45 | 282.0 | 0.2766 | 0.2377 |
| 0.45 | 294.0 | 0.1178 | 0.221 |
| 0.55 | 78.0 | -0.1244 | 0.1954 |
| 0.55 | 90.0 | 0.3525 | 0.1614 |
| 0.55 | 102.0 | 0.1135 | 0.1775 |
| 0.55 | 114.0 | 0.0461 | 0.2933 |
| 0.55 | 258.0 | -0.1807 | 0.2434 |
| 0.55 | 270.0 | -0.0115 | 0.2355 |
| 0.55 | 282.0 | 0.243 | 0.2138 |
| 0.65 | 78.0 | -0.2019 | 0.1749 |
| 0.65 | 90.0 | -0.0919 | 0.1533 |
| 0.65 | 102.0 | -0.0559 | 0.1508 |
| 0.65 | 114.0 | 0.0353 | 0.1634 |
| 0.65 | 246.0 | 0.043 | 0.2136 |
| 0.65 | 258.0 | -0.2608 | 0.181 |
| 0.65 | 270.0 | 0.1614 | 0.1891 |
| 0.65 | 282.0 | -0.3452 | 0.2007 |
| 0.65 | 294.0 | -0.039 | 0.3494 |
| 0.75 | 54.0 | -0.2811 | 0.1821 |
| 0.75 | 78.0 | 0.1175 | 0.1503 |
| 0.75 | 90.0 | 0.0797 | 0.1393 |
| 0.75 | 102.0 | -0.0915 | 0.159 |
| 0.75 | 114.0 | 0.1734 | 0.1761 |
| 0.75 | 126.0 | 0.294 | 0.216 |
| 0.75 | 138.0 | 0.1598 | 0.2827 |
| 0.75 | 222.0 | -0.1533 | 0.2147 |
| 0.75 | 234.0 | -0.2517 | 0.2068 |
| 0.75 | 246.0 | -0.024 | 0.1668 |
| 0.75 | 258.0 | -0.2247 | 0.148 |
| 0.75 | 270.0 | 0.4561 | 0.1347 |
| 0.75 | 282.0 | 0.0879 | 0.1702 |
| 0.75 | 294.0 | -0.3383 | 0.2168 |
| 0.85 | 54.0 | -0.038 | 0.1634 |
| 0.85 | 66.0 | 0.0572 | 0.2457 |
| 0.85 | 78.0 | -0.3431 | 0.1837 |
| 0.85 | 90.0 | 0.0645 | 0.1349 |
| 0.85 | 102.0 | 0.2581 | 0.1543 |
| 0.85 | 114.0 | 0.1239 | 0.1551 |
| 0.85 | 126.0 | 0.2877 | 0.1786 |
| 0.85 | 138.0 | -0.0591 | 0.2264 |
| 0.85 | 186.0 | 0.0311 | 0.2537 |
| 0.85 | 198.0 | -0.22 | 0.2302 |
| 0.85 | 210.0 | 0.2402 | 0.2002 |
| 0.85 | 222.0 | 0.2909 | 0.1748 |
| 0.85 | 234.0 | -0.0736 | 0.1579 |
| 0.85 | 246.0 | 0.2707 | 0.1558 |
| 0.85 | 258.0 | -0.1451 | 0.1425 |
| 0.85 | 270.0 | -0.1522 | 0.1338 |
| 0.85 | 282.0 | 0.0328 | 0.1471 |
| 0.85 | 294.0 | -0.3983 | 0.1396 |
| 0.85 | 306.0 | 0.2533 | 0.1467 |
| 0.85 | 318.0 | 0.0874 | 0.2389 |
| 0.95 | 54.0 | 0.0204 | 0.2115 |
| 0.95 | 90.0 | 0.1317 | 0.2363 |
| 0.95 | 102.0 | -0.1445 | 0.2098 |
| 0.95 | 114.0 | -0.1971 | 0.2042 |
| 0.95 | 126.0 | -0.1278 | 0.2493 |
| 0.95 | 138.0 | -0.3232 | 0.2352 |
| 0.95 | 186.0 | 0.3007 | 0.2486 |
| 0.95 | 198.0 | 0.5868 | 0.1895 |
| 0.95 | 210.0 | -0.0384 | 0.238 |
| 0.95 | 222.0 | -0.2118 | 0.1962 |
| 0.95 | 234.0 | -0.2328 | 0.2023 |
| 0.95 | 246.0 | -0.0775 | 0.174 |
| 0.95 | 258.0 | -0.0455 | 0.1627 |
| 0.95 | 270.0 | 0.2882 | 0.1839 |
| 0.95 | 282.0 | -0.1881 | 0.1708 |
| 0.95 | 294.0 | -0.1316 | 0.1421 |
| 0.95 | 306.0 | -0.0181 | 0.1633 |
| 0.95 | 318.0 | 0.0669 | 0.1618 |
| 0.95 | 330.0 | 0.3275 | 0.1914 |
Experiment comment: