Measurement E151M3100
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0493 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8281 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 18.0 | -0.3672 | 0.2535 |
| 0.35 | 78.0 | 0.5422 | 0.2446 |
| 0.35 | 90.0 | -0.2935 | 0.2726 |
| 0.35 | 102.0 | -0.0182 | 0.2831 |
| 0.35 | 270.0 | 0.5703 | 0.2008 |
| 0.35 | 294.0 | -0.2156 | 0.2747 |
| 0.45 | 66.0 | -0.2473 | 0.2573 |
| 0.45 | 78.0 | -0.1272 | 0.1933 |
| 0.45 | 90.0 | -0.062 | 0.2341 |
| 0.45 | 126.0 | -0.3925 | 0.2561 |
| 0.45 | 210.0 | -0.1781 | 0.2647 |
| 0.45 | 222.0 | 0.01 | 0.2413 |
| 0.45 | 258.0 | -0.0518 | 0.2738 |
| 0.45 | 270.0 | 0.1123 | 0.2527 |
| 0.45 | 282.0 | 0.0892 | 0.198 |
| 0.55 | 78.0 | -0.0805 | 0.272 |
| 0.55 | 90.0 | -0.3936 | 0.2454 |
| 0.55 | 114.0 | 0.1971 | 0.25 |
| 0.55 | 126.0 | 0.3264 | 0.2381 |
| 0.55 | 138.0 | 0.1003 | 0.215 |
| 0.55 | 198.0 | 0.6047 | 0.2176 |
| 0.55 | 210.0 | -0.0576 | 0.2359 |
| 0.55 | 222.0 | 0.3368 | 0.2446 |
| 0.55 | 246.0 | 0.1023 | 0.2377 |
| 0.55 | 258.0 | -0.7117 | 0.1751 |
| 0.55 | 270.0 | -0.1514 | 0.1774 |
| 0.55 | 282.0 | 0.2398 | 0.2167 |
| 0.65 | 78.0 | 0.0244 | 0.2591 |
| 0.65 | 102.0 | 0.5687 | 0.226 |
| 0.65 | 114.0 | 0.001 | 0.2224 |
| 0.65 | 126.0 | 0.1203 | 0.2082 |
| 0.65 | 138.0 | 0.0737 | 0.2004 |
| 0.65 | 150.0 | -0.0824 | 0.2469 |
| 0.65 | 198.0 | 0.0312 | 0.2672 |
| 0.65 | 210.0 | -0.1949 | 0.2094 |
| 0.65 | 222.0 | 0.1463 | 0.1875 |
| 0.65 | 234.0 | -0.1349 | 0.2164 |
| 0.65 | 246.0 | 0.068 | 0.2496 |
| 0.65 | 270.0 | 0.1608 | 0.2812 |
| 0.65 | 282.0 | -0.0269 | 0.2099 |
| 0.65 | 294.0 | 0.5401 | 0.2365 |
| 0.75 | 66.0 | 0.0874 | 0.2491 |
| 0.75 | 78.0 | 0.2704 | 0.2132 |
| 0.75 | 114.0 | -0.3898 | 0.2446 |
| 0.75 | 126.0 | 0.1277 | 0.2442 |
| 0.75 | 138.0 | -0.019 | 0.2206 |
| 0.75 | 198.0 | 0.0622 | 0.2269 |
| 0.75 | 210.0 | 0.0049 | 0.1858 |
| 0.75 | 222.0 | -0.2415 | 0.1853 |
| 0.75 | 234.0 | 0.2198 | 0.2199 |
| 0.75 | 258.0 | -0.5293 | 0.2118 |
| 0.75 | 270.0 | -0.0259 | 0.2057 |
| 0.75 | 282.0 | 0.097 | 0.1778 |
| 0.75 | 294.0 | -0.2544 | 0.2202 |
| 0.85 | 102.0 | -0.1372 | 0.2406 |
| 0.85 | 114.0 | 0.2675 | 0.178 |
| 0.85 | 126.0 | 0.4103 | 0.2004 |
| 0.85 | 138.0 | -0.2848 | 0.2743 |
| 0.85 | 186.0 | 0.4762 | 0.2556 |
| 0.85 | 198.0 | 0.1815 | 0.2312 |
| 0.85 | 210.0 | -0.1521 | 0.1917 |
| 0.85 | 222.0 | 0.1074 | 0.1886 |
| 0.85 | 234.0 | 0.0615 | 0.2001 |
| 0.85 | 246.0 | -0.1611 | 0.2242 |
| 0.95 | 126.0 | -0.4195 | 0.2596 |
| 0.95 | 222.0 | 0.2452 | 0.253 |
Experiment comment: