Measurement E151M3085
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0665 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8451 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.1077 | 0.2778 |
| 0.25 | 78.0 | 0.1656 | 0.2668 |
| 0.25 | 270.0 | -0.1005 | 0.2751 |
| 0.35 | 18.0 | -0.2607 | 0.253 |
| 0.35 | 66.0 | -0.2602 | 0.2211 |
| 0.35 | 78.0 | 0.3257 | 0.2374 |
| 0.35 | 90.0 | -0.2581 | 0.2608 |
| 0.35 | 258.0 | -0.1392 | 0.2539 |
| 0.35 | 270.0 | -0.2596 | 0.2121 |
| 0.35 | 282.0 | 0.3621 | 0.2001 |
| 0.35 | 294.0 | 0.0479 | 0.2713 |
| 0.45 | 66.0 | -0.0591 | 0.2853 |
| 0.45 | 78.0 | -0.0904 | 0.1886 |
| 0.45 | 90.0 | -0.1386 | 0.25 |
| 0.45 | 126.0 | -0.3524 | 0.2503 |
| 0.45 | 138.0 | -0.3495 | 0.2547 |
| 0.45 | 210.0 | -0.1544 | 0.2757 |
| 0.45 | 258.0 | 0.0231 | 0.214 |
| 0.45 | 270.0 | -0.1353 | 0.1835 |
| 0.45 | 282.0 | 0.0451 | 0.1886 |
| 0.45 | 294.0 | 0.2176 | 0.2183 |
| 0.55 | 78.0 | -0.2926 | 0.2218 |
| 0.55 | 90.0 | 0.1783 | 0.229 |
| 0.55 | 102.0 | -0.3788 | 0.2463 |
| 0.55 | 114.0 | 0.0307 | 0.2233 |
| 0.55 | 126.0 | -0.3753 | 0.212 |
| 0.55 | 138.0 | -0.2876 | 0.2445 |
| 0.55 | 150.0 | -0.536 | 0.2246 |
| 0.55 | 198.0 | 0.4158 | 0.2536 |
| 0.55 | 210.0 | 0.2344 | 0.2412 |
| 0.55 | 222.0 | -0.154 | 0.2055 |
| 0.55 | 234.0 | -0.0091 | 0.2179 |
| 0.55 | 246.0 | -0.057 | 0.2372 |
| 0.55 | 258.0 | 0.2168 | 0.2093 |
| 0.55 | 270.0 | 0.0966 | 0.224 |
| 0.55 | 282.0 | -0.0271 | 0.2232 |
| 0.55 | 294.0 | -0.0064 | 0.2454 |
| 0.65 | 66.0 | -0.1714 | 0.2712 |
| 0.65 | 78.0 | -0.0316 | 0.2452 |
| 0.65 | 102.0 | -0.0337 | 0.2791 |
| 0.65 | 114.0 | 0.0527 | 0.2059 |
| 0.65 | 126.0 | -0.0885 | 0.1868 |
| 0.65 | 138.0 | 0.1446 | 0.202 |
| 0.65 | 150.0 | -0.0768 | 0.2108 |
| 0.65 | 174.0 | -0.1297 | 0.2802 |
| 0.65 | 198.0 | -0.3577 | 0.2496 |
| 0.65 | 210.0 | -0.037 | 0.1879 |
| 0.65 | 222.0 | 0.4053 | 0.1961 |
| 0.65 | 234.0 | 0.2247 | 0.2098 |
| 0.65 | 246.0 | -0.0476 | 0.2022 |
| 0.65 | 258.0 | 0.1795 | 0.2289 |
| 0.65 | 270.0 | 0.2459 | 0.2357 |
| 0.65 | 282.0 | 0.5843 | 0.2322 |
| 0.65 | 294.0 | -0.2596 | 0.2135 |
| 0.75 | 66.0 | -0.3281 | 0.2622 |
| 0.75 | 78.0 | 0.1398 | 0.2562 |
| 0.75 | 102.0 | 0.3974 | 0.2499 |
| 0.75 | 114.0 | 0.3187 | 0.2337 |
| 0.75 | 126.0 | 0.042 | 0.1925 |
| 0.75 | 138.0 | -0.0132 | 0.2177 |
| 0.75 | 150.0 | 0.1151 | 0.205 |
| 0.75 | 186.0 | 0.1461 | 0.2577 |
| 0.75 | 198.0 | -0.1846 | 0.2356 |
| 0.75 | 210.0 | -0.4055 | 0.1718 |
| 0.75 | 222.0 | -0.1125 | 0.1655 |
| 0.75 | 234.0 | 0.0049 | 0.1836 |
| 0.75 | 246.0 | -0.2876 | 0.237 |
| 0.75 | 270.0 | -0.2214 | 0.2235 |
| 0.75 | 282.0 | 0.0388 | 0.1786 |
| 0.75 | 294.0 | 0.2907 | 0.186 |
| 0.85 | 102.0 | 0.3894 | 0.1838 |
| 0.85 | 114.0 | -0.4121 | 0.165 |
| 0.85 | 126.0 | -0.1459 | 0.2357 |
| 0.85 | 186.0 | -0.036 | 0.2759 |
| 0.85 | 198.0 | -0.0373 | 0.235 |
| 0.85 | 210.0 | 0.1059 | 0.2154 |
| 0.85 | 222.0 | 0.0297 | 0.1789 |
| 0.85 | 234.0 | 0.0843 | 0.1838 |
| 0.85 | 246.0 | -0.3308 | 0.2135 |
| 0.85 | 258.0 | -0.2913 | 0.23 |
| 0.85 | 270.0 | -0.2843 | 0.2371 |
| 0.95 | 114.0 | 0.2633 | 0.251 |
| 0.95 | 222.0 | -0.1603 | 0.2469 |
| 0.95 | 234.0 | -0.381 | 0.2183 |
| 0.95 | 246.0 | -0.151 | 0.2666 |
Experiment comment: