Measurement E151M3580
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0674 | |
| Q2: | 0.101 GeV2 | |
| W: | 1715.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8854 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.0652 | 0.2399 |
| 0.25 | 270.0 | 0.0768 | 0.2301 |
| 0.25 | 282.0 | -0.4871 | 0.24 |
| 0.35 | 66.0 | -0.0804 | 0.2659 |
| 0.35 | 78.0 | -0.1402 | 0.2478 |
| 0.35 | 126.0 | 0.3346 | 0.262 |
| 0.35 | 258.0 | -0.2126 | 0.2524 |
| 0.35 | 270.0 | 0.1365 | 0.1934 |
| 0.35 | 282.0 | -0.0582 | 0.2099 |
| 0.45 | 66.0 | -0.6924 | 0.1763 |
| 0.45 | 90.0 | 0.768 | 0.2139 |
| 0.45 | 102.0 | -0.3718 | 0.2549 |
| 0.45 | 114.0 | 0.1955 | 0.2129 |
| 0.45 | 126.0 | 0.1334 | 0.221 |
| 0.45 | 138.0 | -0.3239 | 0.2503 |
| 0.45 | 198.0 | 0.2637 | 0.2608 |
| 0.45 | 210.0 | 0.0686 | 0.2396 |
| 0.45 | 222.0 | -0.1256 | 0.2778 |
| 0.45 | 258.0 | -0.2524 | 0.2246 |
| 0.45 | 270.0 | 0.2009 | 0.1711 |
| 0.45 | 282.0 | 0.136 | 0.2111 |
| 0.55 | 66.0 | 0.0575 | 0.2242 |
| 0.55 | 78.0 | 0.338 | 0.2378 |
| 0.55 | 90.0 | -0.0016 | 0.2352 |
| 0.55 | 102.0 | 0.0748 | 0.1896 |
| 0.55 | 114.0 | 0.0591 | 0.1858 |
| 0.55 | 126.0 | -0.1756 | 0.18 |
| 0.55 | 138.0 | -0.0725 | 0.2099 |
| 0.55 | 186.0 | -0.0462 | 0.2922 |
| 0.55 | 198.0 | -0.2017 | 0.2212 |
| 0.55 | 210.0 | 0.0541 | 0.2794 |
| 0.55 | 222.0 | -0.1283 | 0.2177 |
| 0.55 | 234.0 | -0.1031 | 0.2694 |
| 0.55 | 246.0 | 0.1967 | 0.2746 |
| 0.55 | 258.0 | 0.3596 | 0.1828 |
| 0.55 | 270.0 | -0.2117 | 0.1696 |
| 0.65 | 54.0 | 0.2036 | 0.1799 |
| 0.65 | 66.0 | -0.2296 | 0.2619 |
| 0.65 | 102.0 | 0.0225 | 0.1963 |
| 0.65 | 114.0 | -0.1528 | 0.1872 |
| 0.65 | 126.0 | 0.0732 | 0.17 |
| 0.65 | 138.0 | -0.3352 | 0.1914 |
| 0.65 | 150.0 | -0.6198 | 0.2179 |
| 0.65 | 174.0 | 0.2729 | 0.2606 |
| 0.65 | 186.0 | 0.1936 | 0.2347 |
| 0.65 | 198.0 | -0.2143 | 0.1842 |
| 0.65 | 210.0 | -0.4883 | 0.1638 |
| 0.65 | 222.0 | -0.2436 | 0.1876 |
| 0.65 | 234.0 | -0.006 | 0.2341 |
| 0.65 | 246.0 | -0.1528 | 0.2247 |
| 0.65 | 258.0 | 0.2563 | 0.2676 |
| 0.65 | 270.0 | -0.0031 | 0.2733 |
| 0.65 | 282.0 | -0.0606 | 0.1748 |
| 0.65 | 294.0 | 0.0298 | 0.231 |
| 0.75 | 54.0 | -0.4741 | 0.2367 |
| 0.75 | 78.0 | 0.3059 | 0.2358 |
| 0.75 | 90.0 | 0.0966 | 0.1965 |
| 0.75 | 102.0 | 0.0031 | 0.1758 |
| 0.75 | 114.0 | -0.1089 | 0.2566 |
| 0.75 | 126.0 | 0.1282 | 0.189 |
| 0.75 | 138.0 | -0.0428 | 0.2328 |
| 0.75 | 150.0 | 0.0034 | 0.2547 |
| 0.75 | 162.0 | 0.3379 | 0.2155 |
| 0.75 | 174.0 | 0.2356 | 0.2033 |
| 0.75 | 186.0 | -0.098 | 0.1862 |
| 0.75 | 198.0 | 0.2121 | 0.1746 |
| 0.75 | 210.0 | 0.1177 | 0.1637 |
| 0.75 | 222.0 | 0.0612 | 0.1708 |
| 0.75 | 234.0 | -0.05 | 0.1869 |
| 0.75 | 246.0 | 0.0438 | 0.2138 |
| 0.75 | 258.0 | -0.3128 | 0.166 |
| 0.75 | 270.0 | 0.2402 | 0.1558 |
| 0.75 | 282.0 | 0.2068 | 0.1559 |
| 0.75 | 294.0 | -0.2183 | 0.1674 |
| 0.85 | 78.0 | 0.1686 | 0.2129 |
| 0.85 | 90.0 | 0.2158 | 0.1485 |
| 0.85 | 102.0 | 0.0304 | 0.1298 |
| 0.85 | 114.0 | -0.3278 | 0.1489 |
| 0.85 | 126.0 | 0.2523 | 0.2043 |
| 0.85 | 174.0 | -0.0566 | 0.1929 |
| 0.85 | 186.0 | 0.135 | 0.1609 |
| 0.85 | 198.0 | -0.0433 | 0.1509 |
| 0.85 | 210.0 | -0.1332 | 0.1297 |
| 0.85 | 222.0 | -0.0489 | 0.1526 |
| 0.85 | 234.0 | 0.1665 | 0.1678 |
| 0.85 | 246.0 | -0.192 | 0.199 |
| 0.85 | 258.0 | -0.0735 | 0.22 |
| 0.85 | 270.0 | 0.045 | 0.1948 |
| 0.85 | 282.0 | 0.0475 | 0.23 |
| 0.85 | 294.0 | 0.5265 | 0.2285 |
| 0.95 | 114.0 | -0.759 | 0.1489 |
| 0.95 | 174.0 | -0.2237 | 0.237 |
| 0.95 | 186.0 | 0.1383 | 0.2283 |
| 0.95 | 198.0 | 0.0267 | 0.231 |
| 0.95 | 210.0 | 0.033 | 0.1952 |
| 0.95 | 222.0 | -0.0078 | 0.187 |
| 0.95 | 234.0 | 0.0695 | 0.2048 |
| 0.95 | 246.0 | 0.2268 | 0.2538 |
Experiment comment: