Measurement E151M2686
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.314 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.9133 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | 0.2057 | 0.3882 |
| 0.15 | 42.0 | -0.2183 | 0.4242 |
| 0.15 | 54.0 | 0.5038 | 0.2736 |
| 0.25 | 42.0 | -0.0374 | 0.397 |
| 0.45 | 270.0 | -0.8757 | 0.1909 |
| 0.45 | 282.0 | 0.3698 | 0.3733 |
| 0.55 | 258.0 | 0.237 | 0.2964 |
| 0.55 | 270.0 | -0.0927 | 0.2538 |
| 0.55 | 282.0 | 0.0992 | 0.3031 |
| 0.65 | 246.0 | -0.2126 | 0.2853 |
| 0.65 | 258.0 | -0.208 | 0.2283 |
| 0.65 | 270.0 | 0.1344 | 0.2567 |
| 0.65 | 282.0 | -0.2275 | 0.297 |
| 0.75 | 114.0 | -0.0272 | 0.3769 |
| 0.75 | 126.0 | 0.1546 | 0.3866 |
| 0.75 | 138.0 | 0.2935 | 0.325 |
| 0.75 | 150.0 | 0.0621 | 0.3916 |
| 0.75 | 234.0 | 0.0166 | 0.2873 |
| 0.75 | 246.0 | -0.0414 | 0.2289 |
| 0.75 | 258.0 | -0.0097 | 0.2175 |
| 0.75 | 270.0 | 0.3261 | 0.21 |
| 0.75 | 282.0 | -0.1791 | 0.2326 |
| 0.75 | 294.0 | -0.264 | 0.349 |
| 0.85 | 102.0 | -0.4417 | 0.3181 |
| 0.85 | 114.0 | -0.2181 | 0.2882 |
| 0.85 | 126.0 | 0.0566 | 0.2237 |
| 0.85 | 138.0 | 0.1388 | 0.2346 |
| 0.85 | 150.0 | -0.0476 | 0.273 |
| 0.85 | 162.0 | -0.5582 | 0.2245 |
| 0.85 | 174.0 | 0.0322 | 0.2855 |
| 0.85 | 186.0 | 0.0226 | 0.3632 |
| 0.85 | 222.0 | 0.0356 | 0.397 |
| 0.85 | 234.0 | -0.0297 | 0.3203 |
| 0.85 | 246.0 | -0.0055 | 0.2471 |
| 0.85 | 258.0 | 0.3503 | 0.1945 |
| 0.85 | 270.0 | -0.1129 | 0.2363 |
| 0.85 | 282.0 | -0.2743 | 0.279 |
| 0.95 | 102.0 | -0.3571 | 0.3646 |
| 0.95 | 126.0 | 0.0414 | 0.3754 |
| 0.95 | 138.0 | 0.1677 | 0.3609 |
| 0.95 | 150.0 | 0.3242 | 0.2715 |
| 0.95 | 162.0 | 0.2197 | 0.3629 |
| 0.95 | 174.0 | -0.6411 | 0.2188 |
| 0.95 | 186.0 | 0.1039 | 0.3652 |
| 0.95 | 198.0 | -0.6332 | 0.3186 |
| 0.95 | 234.0 | 0.1997 | 0.3385 |
| 0.95 | 246.0 | 0.4328 | 0.3308 |
| 0.95 | 258.0 | 0.5878 | 0.2325 |
| 0.05 | 42.0 | 0.0326 | 0.2448 |
| 0.35 | 42.0 | 0.0137 | 0.2749 |
| 0.45 | 270.0 | -0.4683 | 0.2536 |
| 0.55 | 258.0 | 0.1791 | 0.2265 |
| 0.55 | 270.0 | 0.1193 | 0.1965 |
| 0.55 | 282.0 | 0.0386 | 0.207 |
| 0.65 | 246.0 | -0.1793 | 0.1885 |
| 0.65 | 258.0 | -0.0922 | 0.1629 |
| 0.65 | 270.0 | -0.0415 | 0.1637 |
| 0.65 | 282.0 | -0.4695 | 0.1812 |
| 0.65 | 294.0 | 0.0897 | 0.288 |
| 0.75 | 114.0 | -0.2697 | 0.2263 |
| 0.75 | 126.0 | 0.1219 | 0.2583 |
| 0.75 | 138.0 | 0.4229 | 0.211 |
| 0.75 | 234.0 | -0.2787 | 0.2292 |
| 0.75 | 246.0 | 0.2333 | 0.1824 |
| 0.75 | 258.0 | -0.3178 | 0.1587 |
| 0.75 | 270.0 | -0.1043 | 0.1467 |
| 0.75 | 282.0 | -0.1248 | 0.1834 |
| 0.75 | 294.0 | 0.1568 | 0.2563 |
| 0.85 | 114.0 | -0.0051 | 0.1903 |
| 0.85 | 126.0 | -0.0446 | 0.1741 |
| 0.85 | 138.0 | -0.0389 | 0.1542 |
| 0.85 | 150.0 | -0.0684 | 0.1936 |
| 0.85 | 162.0 | 0.1099 | 0.1924 |
| 0.85 | 174.0 | 0.1007 | 0.1952 |
| 0.85 | 186.0 | 0.3292 | 0.2494 |
| 0.85 | 198.0 | -0.1007 | 0.2436 |
| 0.85 | 234.0 | 0.1252 | 0.1982 |
| 0.85 | 246.0 | -0.0502 | 0.1873 |
| 0.85 | 258.0 | -0.0809 | 0.1533 |
| 0.85 | 270.0 | 0.1815 | 0.1767 |
| 0.85 | 282.0 | 0.2483 | 0.1724 |
| 0.95 | 102.0 | 0.0646 | 0.2582 |
| 0.95 | 114.0 | 0.0721 | 0.2763 |
| 0.95 | 126.0 | 0.2657 | 0.2151 |
| 0.95 | 138.0 | 0.2418 | 0.2071 |
| 0.95 | 150.0 | 0.1076 | 0.2414 |
| 0.95 | 162.0 | 0.0869 | 0.2359 |
| 0.95 | 174.0 | 0.1266 | 0.2456 |
| 0.95 | 222.0 | 0.1814 | 0.2429 |
| 0.95 | 234.0 | -0.2823 | 0.2551 |
| 0.95 | 246.0 | -0.262 | 0.2744 |
| 0.95 | 258.0 | 0.0962 | 0.2315 |
Experiment comment: