Measurement E151M3037
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0627 | |
| Q2: | 0.0348 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9043 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | 0.248 | 0.2706 |
| 0.25 | 30.0 | 0.1467 | 0.2278 |
| 0.25 | 66.0 | -0.0113 | 0.2631 |
| 0.25 | 78.0 | -0.2141 | 0.1843 |
| 0.25 | 282.0 | -0.5326 | 0.2385 |
| 0.25 | 294.0 | -0.0705 | 0.2783 |
| 0.35 | 18.0 | -0.0604 | 0.2682 |
| 0.35 | 54.0 | 0.1703 | 0.2208 |
| 0.35 | 66.0 | 0.2223 | 0.1892 |
| 0.35 | 78.0 | -0.0807 | 0.1667 |
| 0.35 | 90.0 | 0.1481 | 0.199 |
| 0.35 | 270.0 | 0.0779 | 0.178 |
| 0.35 | 282.0 | -0.0189 | 0.173 |
| 0.35 | 294.0 | -0.0051 | 0.1775 |
| 0.35 | 306.0 | 0.13 | 0.279 |
| 0.35 | 330.0 | 0.197 | 0.2275 |
| 0.45 | 18.0 | 0.0147 | 0.2331 |
| 0.45 | 30.0 | 0.51 | 0.2477 |
| 0.45 | 66.0 | 0.0897 | 0.1589 |
| 0.45 | 78.0 | -0.0004 | 0.1377 |
| 0.45 | 90.0 | 0.0507 | 0.176 |
| 0.45 | 102.0 | -0.0324 | 0.224 |
| 0.45 | 114.0 | 0.2685 | 0.2807 |
| 0.45 | 258.0 | -0.0459 | 0.2106 |
| 0.45 | 270.0 | 0.018 | 0.1556 |
| 0.45 | 282.0 | -0.1547 | 0.1504 |
| 0.45 | 294.0 | -0.0054 | 0.1611 |
| 0.45 | 306.0 | 0.4791 | 0.2327 |
| 0.55 | 66.0 | -0.1569 | 0.2372 |
| 0.55 | 78.0 | -0.0786 | 0.1918 |
| 0.55 | 90.0 | -0.0154 | 0.1525 |
| 0.55 | 102.0 | 0.3388 | 0.1956 |
| 0.55 | 114.0 | 0.1304 | 0.1807 |
| 0.55 | 126.0 | 0.2315 | 0.1843 |
| 0.55 | 138.0 | 0.0027 | 0.1947 |
| 0.55 | 150.0 | 0.0789 | 0.2365 |
| 0.55 | 198.0 | 0.1645 | 0.2336 |
| 0.55 | 210.0 | 0.1138 | 0.2201 |
| 0.55 | 222.0 | 0.2101 | 0.1771 |
| 0.55 | 234.0 | -0.172 | 0.1919 |
| 0.55 | 246.0 | 0.1747 | 0.2609 |
| 0.55 | 258.0 | -0.1487 | 0.1772 |
| 0.55 | 270.0 | -0.0897 | 0.1798 |
| 0.55 | 282.0 | -0.0171 | 0.1403 |
| 0.55 | 294.0 | 0.0106 | 0.1978 |
| 0.65 | 66.0 | -0.2464 | 0.2194 |
| 0.65 | 78.0 | -0.3562 | 0.1809 |
| 0.65 | 90.0 | -0.238 | 0.2246 |
| 0.65 | 102.0 | -0.2224 | 0.2495 |
| 0.65 | 114.0 | -0.0448 | 0.1835 |
| 0.65 | 126.0 | -0.0338 | 0.1581 |
| 0.65 | 138.0 | 0.1943 | 0.1918 |
| 0.65 | 150.0 | -0.162 | 0.1897 |
| 0.65 | 198.0 | -0.1899 | 0.2318 |
| 0.65 | 210.0 | 0.0675 | 0.1981 |
| 0.65 | 222.0 | -0.0495 | 0.1623 |
| 0.65 | 234.0 | -0.0106 | 0.1598 |
| 0.65 | 246.0 | 0.1569 | 0.1936 |
| 0.65 | 258.0 | 0.2438 | 0.1822 |
| 0.65 | 270.0 | -0.197 | 0.1703 |
| 0.65 | 282.0 | -0.1097 | 0.2044 |
| 0.65 | 294.0 | -0.2491 | 0.21 |
| 0.75 | 66.0 | -0.1056 | 0.1821 |
| 0.75 | 78.0 | -0.0676 | 0.1962 |
| 0.75 | 90.0 | 0.3434 | 0.2428 |
| 0.75 | 114.0 | 0.061 | 0.186 |
| 0.75 | 126.0 | 0.1764 | 0.1537 |
| 0.75 | 138.0 | 0.0745 | 0.1543 |
| 0.75 | 150.0 | 0.0095 | 0.2378 |
| 0.75 | 198.0 | -0.2901 | 0.2108 |
| 0.75 | 210.0 | -0.0686 | 0.197 |
| 0.75 | 222.0 | 0.0997 | 0.1358 |
| 0.75 | 234.0 | 0.1152 | 0.1345 |
| 0.75 | 246.0 | 0.042 | 0.1655 |
| 0.75 | 258.0 | -0.1811 | 0.2632 |
| 0.75 | 270.0 | -0.0524 | 0.2994 |
| 0.75 | 282.0 | -0.3187 | 0.1661 |
| 0.75 | 294.0 | -0.1376 | 0.2122 |
| 0.85 | 102.0 | -0.0758 | 0.2835 |
| 0.85 | 114.0 | 0.0712 | 0.2169 |
| 0.85 | 126.0 | 0.3943 | 0.2264 |
| 0.85 | 198.0 | 0.3817 | 0.2393 |
| 0.85 | 210.0 | 0.1285 | 0.1784 |
| 0.85 | 222.0 | -0.0153 | 0.1597 |
| 0.85 | 234.0 | -0.2014 | 0.1698 |
| 0.85 | 246.0 | -0.0727 | 0.1669 |
| 0.85 | 258.0 | 0.5446 | 0.2068 |
| 0.95 | 126.0 | 0.0982 | 0.2765 |
| 0.95 | 222.0 | -0.2232 | 0.2602 |
| 0.95 | 234.0 | 0.1183 | 0.2326 |
Experiment comment: