Measurement E151M3498
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3719 | |
| Q2: | 0.348 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9109 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 66.0 | -0.1224 | 0.2456 |
| 0.05 | 294.0 | -0.4728 | 0.2377 |
| 0.05 | 306.0 | 0.1631 | 0.2832 |
| 0.15 | 66.0 | 0.4767 | 0.2005 |
| 0.15 | 78.0 | -0.1466 | 0.2713 |
| 0.15 | 282.0 | 0.2179 | 0.2638 |
| 0.15 | 294.0 | 0.0313 | 0.2029 |
| 0.25 | 66.0 | 0.1313 | 0.2638 |
| 0.25 | 282.0 | -0.1982 | 0.2613 |
| 0.25 | 294.0 | 0.1561 | 0.2187 |
| 0.25 | 306.0 | -0.3324 | 0.2568 |
| 0.35 | 66.0 | 0.1504 | 0.2532 |
| 0.35 | 90.0 | 0.2385 | 0.2711 |
| 0.35 | 282.0 | 0.0181 | 0.2065 |
| 0.35 | 294.0 | -0.2372 | 0.1794 |
| 0.45 | 54.0 | 0.4002 | 0.2481 |
| 0.45 | 90.0 | -0.1315 | 0.2506 |
| 0.45 | 102.0 | 0.0685 | 0.1905 |
| 0.45 | 282.0 | -0.0526 | 0.2411 |
| 0.45 | 294.0 | -0.585 | 0.225 |
| 0.45 | 306.0 | 0.0766 | 0.2775 |
| 0.55 | 78.0 | -0.3103 | 0.2065 |
| 0.55 | 90.0 | 0.4845 | 0.1665 |
| 0.55 | 102.0 | 0.1527 | 0.1842 |
| 0.55 | 114.0 | -0.4446 | 0.2483 |
| 0.55 | 234.0 | 0.1166 | 0.2573 |
| 0.55 | 258.0 | -0.0192 | 0.2452 |
| 0.55 | 282.0 | 0.0199 | 0.2472 |
| 0.55 | 306.0 | -0.0602 | 0.2689 |
| 0.65 | 78.0 | 0.1498 | 0.1942 |
| 0.65 | 90.0 | 0.2664 | 0.1718 |
| 0.65 | 102.0 | 0.106 | 0.1635 |
| 0.65 | 114.0 | -0.2109 | 0.1944 |
| 0.65 | 126.0 | 0.0489 | 0.2621 |
| 0.65 | 234.0 | -0.1024 | 0.2595 |
| 0.65 | 246.0 | 0.093 | 0.2209 |
| 0.65 | 258.0 | -0.1279 | 0.2094 |
| 0.65 | 270.0 | 0.3819 | 0.1924 |
| 0.65 | 306.0 | -0.2073 | 0.2555 |
| 0.75 | 54.0 | 0.0464 | 0.2188 |
| 0.75 | 66.0 | -0.2519 | 0.2132 |
| 0.75 | 78.0 | -0.1418 | 0.2221 |
| 0.75 | 90.0 | 0.3202 | 0.151 |
| 0.75 | 102.0 | -0.0058 | 0.1628 |
| 0.75 | 114.0 | 0.0674 | 0.1848 |
| 0.75 | 126.0 | 0.5228 | 0.187 |
| 0.75 | 138.0 | -0.278 | 0.2911 |
| 0.75 | 210.0 | 0.2152 | 0.2758 |
| 0.75 | 222.0 | -0.2175 | 0.1741 |
| 0.75 | 234.0 | -0.1721 | 0.1847 |
| 0.75 | 246.0 | -0.2371 | 0.1721 |
| 0.75 | 258.0 | -0.1097 | 0.2042 |
| 0.75 | 270.0 | -0.2999 | 0.1771 |
| 0.75 | 282.0 | -0.2003 | 0.2635 |
| 0.85 | 54.0 | -0.0615 | 0.2043 |
| 0.85 | 66.0 | -0.0335 | 0.1711 |
| 0.85 | 90.0 | -0.1486 | 0.223 |
| 0.85 | 102.0 | 0.2596 | 0.1628 |
| 0.85 | 114.0 | 0.1352 | 0.207 |
| 0.85 | 126.0 | -0.288 | 0.2501 |
| 0.85 | 186.0 | -0.1963 | 0.2323 |
| 0.85 | 198.0 | 0.091 | 0.249 |
| 0.85 | 210.0 | -0.0054 | 0.2009 |
| 0.85 | 222.0 | 0.1148 | 0.1867 |
| 0.85 | 234.0 | 0.0807 | 0.168 |
| 0.85 | 246.0 | 0.031 | 0.1539 |
| 0.85 | 258.0 | -0.3088 | 0.15 |
| 0.85 | 270.0 | -0.0873 | 0.1638 |
| 0.85 | 282.0 | -0.2382 | 0.1718 |
| 0.85 | 294.0 | -0.1309 | 0.1865 |
| 0.85 | 306.0 | -0.1155 | 0.2301 |
| 0.95 | 198.0 | 0.0196 | 0.2308 |
| 0.95 | 210.0 | -0.0909 | 0.2531 |
| 0.95 | 222.0 | -0.2944 | 0.1882 |
| 0.95 | 234.0 | -0.0871 | 0.2157 |
| 0.95 | 246.0 | 0.2378 | 0.1753 |
| 0.95 | 258.0 | -0.0353 | 0.2001 |
| 0.95 | 270.0 | 0.021 | 0.1857 |
| 0.95 | 282.0 | -0.1217 | 0.1656 |
| 0.95 | 294.0 | -0.2136 | 0.1687 |
| 0.95 | 306.0 | 0.0375 | 0.1617 |
| 0.95 | 318.0 | -0.3167 | 0.1678 |
| 0.95 | 330.0 | 0.0991 | 0.2673 |
| 0.95 | 342.0 | -0.0645 | 0.2819 |
Experiment comment: